1174 lines
41 KiB
LLVM
1174 lines
41 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=sse -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -machine-combiner-verify-pattern-order=true < %s | FileCheck %s --check-prefix=SSE
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; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=avx -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -machine-combiner-verify-pattern-order=true < %s | FileCheck %s --check-prefixes=AVX,AVX1
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; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -mattr=avx512vl -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -machine-combiner-verify-pattern-order=true < %s | FileCheck %s --check-prefixes=AVX,AVX512
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; Incremental updates of the instruction depths should be enough for this test
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; case.
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; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -mattr=sse -machine-combiner-inc-threshold=0 < %s | FileCheck %s --check-prefix=SSE
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; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -mattr=avx -machine-combiner-inc-threshold=0 < %s | FileCheck %s --check-prefixes=AVX,AVX1
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; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -enable-no-nans-fp-math -enable-no-signed-zeros-fp-math -mattr=avx512vl -machine-combiner-inc-threshold=0 < %s | FileCheck %s --check-prefixes=AVX,AVX512
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; Verify that the first two adds are independent regardless of how the inputs are
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; commuted. The destination registers are used as source registers for the third add.
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define float @reassociate_adds1(float %x0, float %x1, float %x2, float %x3) {
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; SSE-LABEL: reassociate_adds1:
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; SSE: # %bb.0:
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; SSE-NEXT: addss %xmm1, %xmm0
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; SSE-NEXT: addss %xmm3, %xmm2
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; SSE-NEXT: addss %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds1:
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; AVX: # %bb.0:
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fadd reassoc nsz float %x0, %x1
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%t1 = fadd reassoc nsz float %t0, %x2
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%t2 = fadd reassoc nsz float %t1, %x3
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ret float %t2
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}
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define float @reassociate_adds2(float %x0, float %x1, float %x2, float %x3) {
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; SSE-LABEL: reassociate_adds2:
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; SSE: # %bb.0:
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; SSE-NEXT: addss %xmm1, %xmm0
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; SSE-NEXT: addss %xmm3, %xmm2
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; SSE-NEXT: addss %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds2:
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; AVX: # %bb.0:
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fadd reassoc nsz float %x0, %x1
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%t1 = fadd reassoc nsz float %x2, %t0
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%t2 = fadd reassoc nsz float %t1, %x3
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ret float %t2
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}
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define float @reassociate_adds3(float %x0, float %x1, float %x2, float %x3) {
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; SSE-LABEL: reassociate_adds3:
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; SSE: # %bb.0:
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; SSE-NEXT: addss %xmm1, %xmm0
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; SSE-NEXT: addss %xmm3, %xmm2
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; SSE-NEXT: addss %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds3:
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; AVX: # %bb.0:
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fadd reassoc nsz float %x0, %x1
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%t1 = fadd reassoc nsz float %t0, %x2
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%t2 = fadd reassoc nsz float %x3, %t1
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ret float %t2
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}
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define float @reassociate_adds4(float %x0, float %x1, float %x2, float %x3) {
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; SSE-LABEL: reassociate_adds4:
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; SSE: # %bb.0:
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; SSE-NEXT: addss %xmm1, %xmm0
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; SSE-NEXT: addss %xmm3, %xmm2
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; SSE-NEXT: addss %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds4:
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; AVX: # %bb.0:
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fadd reassoc nsz float %x0, %x1
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%t1 = fadd reassoc nsz float %x2, %t0
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%t2 = fadd reassoc nsz float %x3, %t1
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ret float %t2
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}
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; Verify that we reassociate some of these ops. The optimal balanced tree of adds is not
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; produced because that would cost more compile time.
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define float @reassociate_adds5(float %x0, float %x1, float %x2, float %x3, float %x4, float %x5, float %x6, float %x7) {
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; SSE-LABEL: reassociate_adds5:
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; SSE: # %bb.0:
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; SSE-NEXT: addss %xmm1, %xmm0
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; SSE-NEXT: addss %xmm3, %xmm2
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; SSE-NEXT: addss %xmm2, %xmm0
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; SSE-NEXT: addss %xmm5, %xmm4
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; SSE-NEXT: addss %xmm6, %xmm4
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; SSE-NEXT: addss %xmm4, %xmm0
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; SSE-NEXT: addss %xmm7, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds5:
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; AVX: # %bb.0:
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm5, %xmm4, %xmm1
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; AVX-NEXT: vaddss %xmm6, %xmm1, %xmm1
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm7, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fadd reassoc nsz float %x0, %x1
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%t1 = fadd reassoc nsz float %t0, %x2
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%t2 = fadd reassoc nsz float %t1, %x3
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%t3 = fadd reassoc nsz float %t2, %x4
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%t4 = fadd reassoc nsz float %t3, %x5
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%t5 = fadd reassoc nsz float %t4, %x6
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%t6 = fadd reassoc nsz float %t5, %x7
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ret float %t6
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}
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; Verify that we only need two associative operations to reassociate the operands.
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; Also, we should reassociate such that the result of the high latency division
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; is used by the final 'add' rather than reassociating the %x3 operand with the
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; division. The latter reassociation would not improve anything.
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define float @reassociate_adds6(float %x0, float %x1, float %x2, float %x3) {
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; SSE-LABEL: reassociate_adds6:
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; SSE: # %bb.0:
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; SSE-NEXT: divss %xmm1, %xmm0
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; SSE-NEXT: addss %xmm3, %xmm2
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; SSE-NEXT: addss %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds6:
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; AVX: # %bb.0:
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; AVX-NEXT: vdivss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddss %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vaddss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fdiv reassoc nsz float %x0, %x1
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%t1 = fadd reassoc nsz float %x2, %t0
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%t2 = fadd reassoc nsz float %x3, %t1
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ret float %t2
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}
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; Verify that SSE and AVX scalar single-precision multiplies are reassociated.
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define float @reassociate_muls1(float %x0, float %x1, float %x2, float %x3) {
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; SSE-LABEL: reassociate_muls1:
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; SSE: # %bb.0:
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; SSE-NEXT: divss %xmm1, %xmm0
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; SSE-NEXT: mulss %xmm3, %xmm2
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; SSE-NEXT: mulss %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_muls1:
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; AVX: # %bb.0:
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; AVX-NEXT: vdivss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vmulss %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vmulss %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fdiv reassoc nsz float %x0, %x1
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%t1 = fmul reassoc nsz float %x2, %t0
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%t2 = fmul reassoc nsz float %x3, %t1
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ret float %t2
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}
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; Verify that SSE and AVX scalar double-precision adds are reassociated.
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define double @reassociate_adds_double(double %x0, double %x1, double %x2, double %x3) {
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; SSE-LABEL: reassociate_adds_double:
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; SSE: # %bb.0:
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; SSE-NEXT: divsd %xmm1, %xmm0
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; SSE-NEXT: addsd %xmm3, %xmm2
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; SSE-NEXT: addsd %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds_double:
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; AVX: # %bb.0:
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; AVX-NEXT: vdivsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vaddsd %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vaddsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fdiv reassoc nsz double %x0, %x1
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%t1 = fadd reassoc nsz double %x2, %t0
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%t2 = fadd reassoc nsz double %x3, %t1
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ret double %t2
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}
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; Verify that SSE and AVX scalar double-precision multiplies are reassociated.
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define double @reassociate_muls_double(double %x0, double %x1, double %x2, double %x3) {
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; SSE-LABEL: reassociate_muls_double:
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; SSE: # %bb.0:
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; SSE-NEXT: divsd %xmm1, %xmm0
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; SSE-NEXT: mulsd %xmm3, %xmm2
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; SSE-NEXT: mulsd %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_muls_double:
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; AVX: # %bb.0:
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; AVX-NEXT: vdivsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vmulsd %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vmulsd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fdiv reassoc nsz double %x0, %x1
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%t1 = fmul reassoc nsz double %x2, %t0
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%t2 = fmul reassoc nsz double %x3, %t1
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ret double %t2
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}
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; Verify that SSE and AVX 128-bit vector single-precision adds are reassociated.
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define <4 x float> @reassociate_adds_v4f32(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
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; SSE-LABEL: reassociate_adds_v4f32:
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; SSE: # %bb.0:
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; SSE-NEXT: mulps %xmm1, %xmm0
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; SSE-NEXT: addps %xmm3, %xmm2
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; SSE-NEXT: addps %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX1-LABEL: reassociate_adds_v4f32:
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; AVX1: # %bb.0:
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; AVX1-NEXT: vmulps %xmm1, %xmm0, %xmm0
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; AVX1-NEXT: vaddps %xmm3, %xmm2, %xmm1
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; AVX1-NEXT: vaddps %xmm1, %xmm0, %xmm0
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; AVX1-NEXT: retq
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;
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; AVX512-LABEL: reassociate_adds_v4f32:
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; AVX512: # %bb.0:
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; AVX512-NEXT: vfmadd213ps {{.*#+}} xmm0 = (xmm1 * xmm0) + xmm2
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; AVX512-NEXT: vaddps %xmm0, %xmm3, %xmm0
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; AVX512-NEXT: retq
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%t0 = fmul reassoc nsz <4 x float> %x0, %x1
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%t1 = fadd reassoc nsz <4 x float> %x2, %t0
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%t2 = fadd reassoc nsz <4 x float> %x3, %t1
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ret <4 x float> %t2
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}
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; Verify that SSE and AVX 128-bit vector double-precision adds are reassociated.
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define <2 x double> @reassociate_adds_v2f64(<2 x double> %x0, <2 x double> %x1, <2 x double> %x2, <2 x double> %x3) {
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; SSE-LABEL: reassociate_adds_v2f64:
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; SSE: # %bb.0:
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; SSE-NEXT: mulpd %xmm1, %xmm0
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; SSE-NEXT: addpd %xmm3, %xmm2
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; SSE-NEXT: addpd %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX1-LABEL: reassociate_adds_v2f64:
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; AVX1: # %bb.0:
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; AVX1-NEXT: vmulpd %xmm1, %xmm0, %xmm0
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; AVX1-NEXT: vaddpd %xmm3, %xmm2, %xmm1
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; AVX1-NEXT: vaddpd %xmm1, %xmm0, %xmm0
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; AVX1-NEXT: retq
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;
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; AVX512-LABEL: reassociate_adds_v2f64:
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; AVX512: # %bb.0:
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; AVX512-NEXT: vfmadd213pd {{.*#+}} xmm0 = (xmm1 * xmm0) + xmm2
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; AVX512-NEXT: vaddpd %xmm0, %xmm3, %xmm0
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; AVX512-NEXT: retq
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%t0 = fmul reassoc nsz <2 x double> %x0, %x1
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%t1 = fadd reassoc nsz <2 x double> %x2, %t0
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%t2 = fadd reassoc nsz <2 x double> %x3, %t1
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ret <2 x double> %t2
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}
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; Verify that SSE and AVX 128-bit vector single-precision multiplies are reassociated.
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define <4 x float> @reassociate_muls_v4f32(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
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; SSE-LABEL: reassociate_muls_v4f32:
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; SSE: # %bb.0:
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; SSE-NEXT: addps %xmm1, %xmm0
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; SSE-NEXT: mulps %xmm3, %xmm2
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; SSE-NEXT: mulps %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_muls_v4f32:
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; AVX: # %bb.0:
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; AVX-NEXT: vaddps %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vmulps %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vmulps %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fadd reassoc nsz <4 x float> %x0, %x1
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%t1 = fmul reassoc nsz <4 x float> %x2, %t0
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%t2 = fmul reassoc nsz <4 x float> %x3, %t1
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ret <4 x float> %t2
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}
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; Verify that SSE and AVX 128-bit vector double-precision multiplies are reassociated.
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define <2 x double> @reassociate_muls_v2f64(<2 x double> %x0, <2 x double> %x1, <2 x double> %x2, <2 x double> %x3) {
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; SSE-LABEL: reassociate_muls_v2f64:
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; SSE: # %bb.0:
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; SSE-NEXT: addpd %xmm1, %xmm0
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; SSE-NEXT: mulpd %xmm3, %xmm2
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; SSE-NEXT: mulpd %xmm2, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_muls_v2f64:
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; AVX: # %bb.0:
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; AVX-NEXT: vaddpd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: vmulpd %xmm3, %xmm2, %xmm1
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; AVX-NEXT: vmulpd %xmm1, %xmm0, %xmm0
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; AVX-NEXT: retq
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%t0 = fadd reassoc nsz <2 x double> %x0, %x1
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%t1 = fmul reassoc nsz <2 x double> %x2, %t0
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%t2 = fmul reassoc nsz <2 x double> %x3, %t1
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ret <2 x double> %t2
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}
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; Verify that AVX 256-bit vector single-precision adds are reassociated.
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define <8 x float> @reassociate_adds_v8f32(<8 x float> %x0, <8 x float> %x1, <8 x float> %x2, <8 x float> %x3) {
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; SSE-LABEL: reassociate_adds_v8f32:
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; SSE: # %bb.0:
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; SSE-NEXT: mulps %xmm2, %xmm0
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; SSE-NEXT: mulps %xmm3, %xmm1
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; SSE-NEXT: addps %xmm6, %xmm4
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; SSE-NEXT: addps %xmm4, %xmm0
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; SSE-NEXT: addps %xmm7, %xmm5
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; SSE-NEXT: addps %xmm5, %xmm1
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; SSE-NEXT: retq
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;
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; AVX1-LABEL: reassociate_adds_v8f32:
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; AVX1: # %bb.0:
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; AVX1-NEXT: vmulps %ymm1, %ymm0, %ymm0
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; AVX1-NEXT: vaddps %ymm3, %ymm2, %ymm1
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; AVX1-NEXT: vaddps %ymm1, %ymm0, %ymm0
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; AVX1-NEXT: retq
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;
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; AVX512-LABEL: reassociate_adds_v8f32:
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; AVX512: # %bb.0:
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; AVX512-NEXT: vfmadd213ps {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2
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; AVX512-NEXT: vaddps %ymm0, %ymm3, %ymm0
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; AVX512-NEXT: retq
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%t0 = fmul reassoc nsz <8 x float> %x0, %x1
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%t1 = fadd reassoc nsz <8 x float> %x2, %t0
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%t2 = fadd reassoc nsz <8 x float> %x3, %t1
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ret <8 x float> %t2
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}
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; Verify that AVX 256-bit vector double-precision adds are reassociated.
|
|
|
|
define <4 x double> @reassociate_adds_v4f64(<4 x double> %x0, <4 x double> %x1, <4 x double> %x2, <4 x double> %x3) {
|
|
; SSE-LABEL: reassociate_adds_v4f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: mulpd %xmm2, %xmm0
|
|
; SSE-NEXT: mulpd %xmm3, %xmm1
|
|
; SSE-NEXT: addpd %xmm6, %xmm4
|
|
; SSE-NEXT: addpd %xmm4, %xmm0
|
|
; SSE-NEXT: addpd %xmm7, %xmm5
|
|
; SSE-NEXT: addpd %xmm5, %xmm1
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_adds_v4f64:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vmulpd %ymm1, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddpd %ymm3, %ymm2, %ymm1
|
|
; AVX1-NEXT: vaddpd %ymm1, %ymm0, %ymm0
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_adds_v4f64:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vfmadd213pd {{.*#+}} ymm0 = (ymm1 * ymm0) + ymm2
|
|
; AVX512-NEXT: vaddpd %ymm0, %ymm3, %ymm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fmul reassoc nsz <4 x double> %x0, %x1
|
|
%t1 = fadd reassoc nsz <4 x double> %x2, %t0
|
|
%t2 = fadd reassoc nsz <4 x double> %x3, %t1
|
|
ret <4 x double> %t2
|
|
}
|
|
|
|
; Verify that AVX 256-bit vector single-precision multiplies are reassociated.
|
|
|
|
define <8 x float> @reassociate_muls_v8f32(<8 x float> %x0, <8 x float> %x1, <8 x float> %x2, <8 x float> %x3) {
|
|
; SSE-LABEL: reassociate_muls_v8f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm2, %xmm0
|
|
; SSE-NEXT: addps %xmm3, %xmm1
|
|
; SSE-NEXT: mulps %xmm6, %xmm4
|
|
; SSE-NEXT: mulps %xmm4, %xmm0
|
|
; SSE-NEXT: mulps %xmm7, %xmm5
|
|
; SSE-NEXT: mulps %xmm5, %xmm1
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_muls_v8f32:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddps %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: vmulps %ymm3, %ymm2, %ymm1
|
|
; AVX-NEXT: vmulps %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd reassoc nsz <8 x float> %x0, %x1
|
|
%t1 = fmul reassoc nsz <8 x float> %x2, %t0
|
|
%t2 = fmul reassoc nsz <8 x float> %x3, %t1
|
|
ret <8 x float> %t2
|
|
}
|
|
|
|
; Verify that AVX 256-bit vector double-precision multiplies are reassociated.
|
|
|
|
define <4 x double> @reassociate_muls_v4f64(<4 x double> %x0, <4 x double> %x1, <4 x double> %x2, <4 x double> %x3) {
|
|
; SSE-LABEL: reassociate_muls_v4f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addpd %xmm2, %xmm0
|
|
; SSE-NEXT: addpd %xmm3, %xmm1
|
|
; SSE-NEXT: mulpd %xmm6, %xmm4
|
|
; SSE-NEXT: mulpd %xmm4, %xmm0
|
|
; SSE-NEXT: mulpd %xmm7, %xmm5
|
|
; SSE-NEXT: mulpd %xmm5, %xmm1
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_muls_v4f64:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddpd %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: vmulpd %ymm3, %ymm2, %ymm1
|
|
; AVX-NEXT: vmulpd %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd reassoc nsz <4 x double> %x0, %x1
|
|
%t1 = fmul reassoc nsz <4 x double> %x2, %t0
|
|
%t2 = fmul reassoc nsz <4 x double> %x3, %t1
|
|
ret <4 x double> %t2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector single-precision adds are reassociated.
|
|
|
|
define <16 x float> @reassociate_adds_v16f32(<16 x float> %x0, <16 x float> %x1, <16 x float> %x2, <16 x float> %x3) {
|
|
; SSE-LABEL: reassociate_adds_v16f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: mulps %xmm4, %xmm0
|
|
; SSE-NEXT: mulps %xmm5, %xmm1
|
|
; SSE-NEXT: mulps %xmm6, %xmm2
|
|
; SSE-NEXT: mulps %xmm7, %xmm3
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: addps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_adds_v16f32:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vmulps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vmulps %ymm3, %ymm1, %ymm1
|
|
; AVX1-NEXT: vaddps %ymm6, %ymm4, %ymm2
|
|
; AVX1-NEXT: vaddps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddps %ymm7, %ymm5, %ymm2
|
|
; AVX1-NEXT: vaddps %ymm2, %ymm1, %ymm1
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_adds_v16f32:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vfmadd213ps {{.*#+}} zmm0 = (zmm1 * zmm0) + zmm2
|
|
; AVX512-NEXT: vaddps %zmm0, %zmm3, %zmm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fmul reassoc nsz <16 x float> %x0, %x1
|
|
%t1 = fadd reassoc nsz <16 x float> %x2, %t0
|
|
%t2 = fadd reassoc nsz <16 x float> %x3, %t1
|
|
ret <16 x float> %t2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector double-precision adds are reassociated.
|
|
|
|
define <8 x double> @reassociate_adds_v8f64(<8 x double> %x0, <8 x double> %x1, <8 x double> %x2, <8 x double> %x3) {
|
|
; SSE-LABEL: reassociate_adds_v8f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: mulpd %xmm4, %xmm0
|
|
; SSE-NEXT: mulpd %xmm5, %xmm1
|
|
; SSE-NEXT: mulpd %xmm6, %xmm2
|
|
; SSE-NEXT: mulpd %xmm7, %xmm3
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: addpd {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_adds_v8f64:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vmulpd %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vmulpd %ymm3, %ymm1, %ymm1
|
|
; AVX1-NEXT: vaddpd %ymm6, %ymm4, %ymm2
|
|
; AVX1-NEXT: vaddpd %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddpd %ymm7, %ymm5, %ymm2
|
|
; AVX1-NEXT: vaddpd %ymm2, %ymm1, %ymm1
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_adds_v8f64:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vfmadd213pd {{.*#+}} zmm0 = (zmm1 * zmm0) + zmm2
|
|
; AVX512-NEXT: vaddpd %zmm0, %zmm3, %zmm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fmul reassoc nsz <8 x double> %x0, %x1
|
|
%t1 = fadd reassoc nsz <8 x double> %x2, %t0
|
|
%t2 = fadd reassoc nsz <8 x double> %x3, %t1
|
|
ret <8 x double> %t2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector single-precision multiplies are reassociated.
|
|
|
|
define <16 x float> @reassociate_muls_v16f32(<16 x float> %x0, <16 x float> %x1, <16 x float> %x2, <16 x float> %x3) {
|
|
; SSE-LABEL: reassociate_muls_v16f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm4, %xmm0
|
|
; SSE-NEXT: addps %xmm5, %xmm1
|
|
; SSE-NEXT: addps %xmm6, %xmm2
|
|
; SSE-NEXT: addps %xmm7, %xmm3
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: mulps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_muls_v16f32:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vaddps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddps %ymm3, %ymm1, %ymm1
|
|
; AVX1-NEXT: vmulps %ymm6, %ymm4, %ymm2
|
|
; AVX1-NEXT: vmulps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vmulps %ymm7, %ymm5, %ymm2
|
|
; AVX1-NEXT: vmulps %ymm2, %ymm1, %ymm1
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_muls_v16f32:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vaddps %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: vmulps %zmm3, %zmm2, %zmm1
|
|
; AVX512-NEXT: vmulps %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fadd reassoc nsz <16 x float> %x0, %x1
|
|
%t1 = fmul reassoc nsz <16 x float> %x2, %t0
|
|
%t2 = fmul reassoc nsz <16 x float> %x3, %t1
|
|
ret <16 x float> %t2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector double-precision multiplies are reassociated.
|
|
|
|
define <8 x double> @reassociate_muls_v8f64(<8 x double> %x0, <8 x double> %x1, <8 x double> %x2, <8 x double> %x3) {
|
|
; SSE-LABEL: reassociate_muls_v8f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addpd %xmm4, %xmm0
|
|
; SSE-NEXT: addpd %xmm5, %xmm1
|
|
; SSE-NEXT: addpd %xmm6, %xmm2
|
|
; SSE-NEXT: addpd %xmm7, %xmm3
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: mulpd {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_muls_v8f64:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vaddpd %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddpd %ymm3, %ymm1, %ymm1
|
|
; AVX1-NEXT: vmulpd %ymm6, %ymm4, %ymm2
|
|
; AVX1-NEXT: vmulpd %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vmulpd %ymm7, %ymm5, %ymm2
|
|
; AVX1-NEXT: vmulpd %ymm2, %ymm1, %ymm1
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_muls_v8f64:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vaddpd %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: vmulpd %zmm3, %zmm2, %zmm1
|
|
; AVX512-NEXT: vmulpd %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fadd reassoc nsz <8 x double> %x0, %x1
|
|
%t1 = fmul reassoc nsz <8 x double> %x2, %t0
|
|
%t2 = fmul reassoc nsz <8 x double> %x3, %t1
|
|
ret <8 x double> %t2
|
|
}
|
|
|
|
; Verify that SSE and AVX scalar single-precision minimum ops are reassociated.
|
|
|
|
define float @reassociate_mins_single(float %x0, float %x1, float %x2, float %x3) {
|
|
; SSE-LABEL: reassociate_mins_single:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: divss %xmm1, %xmm0
|
|
; SSE-NEXT: minss %xmm3, %xmm2
|
|
; SSE-NEXT: minss %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_mins_single:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vdivss %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vminss %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vminss %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fdiv float %x0, %x1
|
|
%cmp1 = fcmp olt float %x2, %t0
|
|
%sel1 = select i1 %cmp1, float %x2, float %t0
|
|
%cmp2 = fcmp olt float %x3, %sel1
|
|
%sel2 = select i1 %cmp2, float %x3, float %sel1
|
|
ret float %sel2
|
|
}
|
|
|
|
; Verify that SSE and AVX scalar single-precision maximum ops are reassociated.
|
|
|
|
define float @reassociate_maxs_single(float %x0, float %x1, float %x2, float %x3) {
|
|
; SSE-LABEL: reassociate_maxs_single:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: divss %xmm1, %xmm0
|
|
; SSE-NEXT: maxss %xmm3, %xmm2
|
|
; SSE-NEXT: maxss %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_maxs_single:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vdivss %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vmaxss %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vmaxss %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fdiv float %x0, %x1
|
|
%cmp1 = fcmp ogt float %x2, %t0
|
|
%sel1 = select i1 %cmp1, float %x2, float %t0
|
|
%cmp2 = fcmp ogt float %x3, %sel1
|
|
%sel2 = select i1 %cmp2, float %x3, float %sel1
|
|
ret float %sel2
|
|
}
|
|
|
|
; Verify that SSE and AVX scalar double-precision minimum ops are reassociated.
|
|
|
|
define double @reassociate_mins_double(double %x0, double %x1, double %x2, double %x3) {
|
|
; SSE-LABEL: reassociate_mins_double:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: divsd %xmm1, %xmm0
|
|
; SSE-NEXT: minsd %xmm3, %xmm2
|
|
; SSE-NEXT: minsd %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_mins_double:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vdivsd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vminsd %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vminsd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fdiv double %x0, %x1
|
|
%cmp1 = fcmp olt double %x2, %t0
|
|
%sel1 = select i1 %cmp1, double %x2, double %t0
|
|
%cmp2 = fcmp olt double %x3, %sel1
|
|
%sel2 = select i1 %cmp2, double %x3, double %sel1
|
|
ret double %sel2
|
|
}
|
|
|
|
; Verify that SSE and AVX scalar double-precision maximum ops are reassociated.
|
|
|
|
define double @reassociate_maxs_double(double %x0, double %x1, double %x2, double %x3) {
|
|
; SSE-LABEL: reassociate_maxs_double:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: divsd %xmm1, %xmm0
|
|
; SSE-NEXT: maxsd %xmm3, %xmm2
|
|
; SSE-NEXT: maxsd %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_maxs_double:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vdivsd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vmaxsd %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vmaxsd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fdiv double %x0, %x1
|
|
%cmp1 = fcmp ogt double %x2, %t0
|
|
%sel1 = select i1 %cmp1, double %x2, double %t0
|
|
%cmp2 = fcmp ogt double %x3, %sel1
|
|
%sel2 = select i1 %cmp2, double %x3, double %sel1
|
|
ret double %sel2
|
|
}
|
|
|
|
; Verify that SSE and AVX 128-bit vector single-precision minimum ops are reassociated.
|
|
|
|
define <4 x float> @reassociate_mins_v4f32(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
|
|
; SSE-LABEL: reassociate_mins_v4f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm1, %xmm0
|
|
; SSE-NEXT: minps %xmm3, %xmm2
|
|
; SSE-NEXT: minps %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_mins_v4f32:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddps %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vminps %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vminps %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <4 x float> %x0, %x1
|
|
%cmp1 = fcmp olt <4 x float> %x2, %t0
|
|
%sel1 = select <4 x i1> %cmp1, <4 x float> %x2, <4 x float> %t0
|
|
%cmp2 = fcmp olt <4 x float> %x3, %sel1
|
|
%sel2 = select <4 x i1> %cmp2, <4 x float> %x3, <4 x float> %sel1
|
|
ret <4 x float> %sel2
|
|
}
|
|
|
|
; Verify that SSE and AVX 128-bit vector single-precision maximum ops are reassociated.
|
|
|
|
define <4 x float> @reassociate_maxs_v4f32(<4 x float> %x0, <4 x float> %x1, <4 x float> %x2, <4 x float> %x3) {
|
|
; SSE-LABEL: reassociate_maxs_v4f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm1, %xmm0
|
|
; SSE-NEXT: maxps %xmm3, %xmm2
|
|
; SSE-NEXT: maxps %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_maxs_v4f32:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddps %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vmaxps %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vmaxps %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <4 x float> %x0, %x1
|
|
%cmp1 = fcmp ogt <4 x float> %x2, %t0
|
|
%sel1 = select <4 x i1> %cmp1, <4 x float> %x2, <4 x float> %t0
|
|
%cmp2 = fcmp ogt <4 x float> %x3, %sel1
|
|
%sel2 = select <4 x i1> %cmp2, <4 x float> %x3, <4 x float> %sel1
|
|
ret <4 x float> %sel2
|
|
}
|
|
|
|
; Verify that SSE and AVX 128-bit vector double-precision minimum ops are reassociated.
|
|
|
|
define <2 x double> @reassociate_mins_v2f64(<2 x double> %x0, <2 x double> %x1, <2 x double> %x2, <2 x double> %x3) {
|
|
; SSE-LABEL: reassociate_mins_v2f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addpd %xmm1, %xmm0
|
|
; SSE-NEXT: minpd %xmm3, %xmm2
|
|
; SSE-NEXT: minpd %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_mins_v2f64:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddpd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vminpd %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vminpd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <2 x double> %x0, %x1
|
|
%cmp1 = fcmp olt <2 x double> %x2, %t0
|
|
%sel1 = select <2 x i1> %cmp1, <2 x double> %x2, <2 x double> %t0
|
|
%cmp2 = fcmp olt <2 x double> %x3, %sel1
|
|
%sel2 = select <2 x i1> %cmp2, <2 x double> %x3, <2 x double> %sel1
|
|
ret <2 x double> %sel2
|
|
}
|
|
|
|
; Verify that SSE and AVX 128-bit vector double-precision maximum ops are reassociated.
|
|
|
|
define <2 x double> @reassociate_maxs_v2f64(<2 x double> %x0, <2 x double> %x1, <2 x double> %x2, <2 x double> %x3) {
|
|
; SSE-LABEL: reassociate_maxs_v2f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addpd %xmm1, %xmm0
|
|
; SSE-NEXT: maxpd %xmm3, %xmm2
|
|
; SSE-NEXT: maxpd %xmm2, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_maxs_v2f64:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddpd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: vmaxpd %xmm3, %xmm2, %xmm1
|
|
; AVX-NEXT: vmaxpd %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <2 x double> %x0, %x1
|
|
%cmp1 = fcmp ogt <2 x double> %x2, %t0
|
|
%sel1 = select <2 x i1> %cmp1, <2 x double> %x2, <2 x double> %t0
|
|
%cmp2 = fcmp ogt <2 x double> %x3, %sel1
|
|
%sel2 = select <2 x i1> %cmp2, <2 x double> %x3, <2 x double> %sel1
|
|
ret <2 x double> %sel2
|
|
}
|
|
|
|
; Verify that AVX 256-bit vector single-precision minimum ops are reassociated.
|
|
|
|
define <8 x float> @reassociate_mins_v8f32(<8 x float> %x0, <8 x float> %x1, <8 x float> %x2, <8 x float> %x3) {
|
|
; SSE-LABEL: reassociate_mins_v8f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm2, %xmm0
|
|
; SSE-NEXT: addps %xmm3, %xmm1
|
|
; SSE-NEXT: minps %xmm6, %xmm4
|
|
; SSE-NEXT: minps %xmm4, %xmm0
|
|
; SSE-NEXT: minps %xmm7, %xmm5
|
|
; SSE-NEXT: minps %xmm5, %xmm1
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_mins_v8f32:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddps %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: vminps %ymm3, %ymm2, %ymm1
|
|
; AVX-NEXT: vminps %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <8 x float> %x0, %x1
|
|
%cmp1 = fcmp olt <8 x float> %x2, %t0
|
|
%sel1 = select <8 x i1> %cmp1, <8 x float> %x2, <8 x float> %t0
|
|
%cmp2 = fcmp olt <8 x float> %x3, %sel1
|
|
%sel2 = select <8 x i1> %cmp2, <8 x float> %x3, <8 x float> %sel1
|
|
ret <8 x float> %sel2
|
|
}
|
|
|
|
; Verify that AVX 256-bit vector single-precision maximum ops are reassociated.
|
|
|
|
define <8 x float> @reassociate_maxs_v8f32(<8 x float> %x0, <8 x float> %x1, <8 x float> %x2, <8 x float> %x3) {
|
|
; SSE-LABEL: reassociate_maxs_v8f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm2, %xmm0
|
|
; SSE-NEXT: addps %xmm3, %xmm1
|
|
; SSE-NEXT: maxps %xmm6, %xmm4
|
|
; SSE-NEXT: maxps %xmm4, %xmm0
|
|
; SSE-NEXT: maxps %xmm7, %xmm5
|
|
; SSE-NEXT: maxps %xmm5, %xmm1
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_maxs_v8f32:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddps %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: vmaxps %ymm3, %ymm2, %ymm1
|
|
; AVX-NEXT: vmaxps %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <8 x float> %x0, %x1
|
|
%cmp1 = fcmp ogt <8 x float> %x2, %t0
|
|
%sel1 = select <8 x i1> %cmp1, <8 x float> %x2, <8 x float> %t0
|
|
%cmp2 = fcmp ogt <8 x float> %x3, %sel1
|
|
%sel2 = select <8 x i1> %cmp2, <8 x float> %x3, <8 x float> %sel1
|
|
ret <8 x float> %sel2
|
|
}
|
|
|
|
; Verify that AVX 256-bit vector double-precision minimum ops are reassociated.
|
|
|
|
define <4 x double> @reassociate_mins_v4f64(<4 x double> %x0, <4 x double> %x1, <4 x double> %x2, <4 x double> %x3) {
|
|
; SSE-LABEL: reassociate_mins_v4f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addpd %xmm2, %xmm0
|
|
; SSE-NEXT: addpd %xmm3, %xmm1
|
|
; SSE-NEXT: minpd %xmm6, %xmm4
|
|
; SSE-NEXT: minpd %xmm4, %xmm0
|
|
; SSE-NEXT: minpd %xmm7, %xmm5
|
|
; SSE-NEXT: minpd %xmm5, %xmm1
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_mins_v4f64:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddpd %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: vminpd %ymm3, %ymm2, %ymm1
|
|
; AVX-NEXT: vminpd %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <4 x double> %x0, %x1
|
|
%cmp1 = fcmp olt <4 x double> %x2, %t0
|
|
%sel1 = select <4 x i1> %cmp1, <4 x double> %x2, <4 x double> %t0
|
|
%cmp2 = fcmp olt <4 x double> %x3, %sel1
|
|
%sel2 = select <4 x i1> %cmp2, <4 x double> %x3, <4 x double> %sel1
|
|
ret <4 x double> %sel2
|
|
}
|
|
|
|
; Verify that AVX 256-bit vector double-precision maximum ops are reassociated.
|
|
|
|
define <4 x double> @reassociate_maxs_v4f64(<4 x double> %x0, <4 x double> %x1, <4 x double> %x2, <4 x double> %x3) {
|
|
; SSE-LABEL: reassociate_maxs_v4f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addpd %xmm2, %xmm0
|
|
; SSE-NEXT: addpd %xmm3, %xmm1
|
|
; SSE-NEXT: maxpd %xmm6, %xmm4
|
|
; SSE-NEXT: maxpd %xmm4, %xmm0
|
|
; SSE-NEXT: maxpd %xmm7, %xmm5
|
|
; SSE-NEXT: maxpd %xmm5, %xmm1
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: reassociate_maxs_v4f64:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vaddpd %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: vmaxpd %ymm3, %ymm2, %ymm1
|
|
; AVX-NEXT: vmaxpd %ymm1, %ymm0, %ymm0
|
|
; AVX-NEXT: retq
|
|
%t0 = fadd <4 x double> %x0, %x1
|
|
%cmp1 = fcmp ogt <4 x double> %x2, %t0
|
|
%sel1 = select <4 x i1> %cmp1, <4 x double> %x2, <4 x double> %t0
|
|
%cmp2 = fcmp ogt <4 x double> %x3, %sel1
|
|
%sel2 = select <4 x i1> %cmp2, <4 x double> %x3, <4 x double> %sel1
|
|
ret <4 x double> %sel2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector single-precision minimum ops are reassociated.
|
|
|
|
define <16 x float> @reassociate_mins_v16f32(<16 x float> %x0, <16 x float> %x1, <16 x float> %x2, <16 x float> %x3) {
|
|
; SSE-LABEL: reassociate_mins_v16f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm4, %xmm0
|
|
; SSE-NEXT: addps %xmm5, %xmm1
|
|
; SSE-NEXT: addps %xmm6, %xmm2
|
|
; SSE-NEXT: addps %xmm7, %xmm3
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: minps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_mins_v16f32:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vaddps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddps %ymm3, %ymm1, %ymm1
|
|
; AVX1-NEXT: vminps %ymm6, %ymm4, %ymm2
|
|
; AVX1-NEXT: vminps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vminps %ymm7, %ymm5, %ymm2
|
|
; AVX1-NEXT: vminps %ymm2, %ymm1, %ymm1
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_mins_v16f32:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vaddps %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: vminps %zmm3, %zmm2, %zmm1
|
|
; AVX512-NEXT: vminps %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fadd <16 x float> %x0, %x1
|
|
%cmp1 = fcmp olt <16 x float> %x2, %t0
|
|
%sel1 = select <16 x i1> %cmp1, <16 x float> %x2, <16 x float> %t0
|
|
%cmp2 = fcmp olt <16 x float> %x3, %sel1
|
|
%sel2 = select <16 x i1> %cmp2, <16 x float> %x3, <16 x float> %sel1
|
|
ret <16 x float> %sel2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector single-precision maximum ops are reassociated.
|
|
|
|
define <16 x float> @reassociate_maxs_v16f32(<16 x float> %x0, <16 x float> %x1, <16 x float> %x2, <16 x float> %x3) {
|
|
; SSE-LABEL: reassociate_maxs_v16f32:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addps %xmm4, %xmm0
|
|
; SSE-NEXT: addps %xmm5, %xmm1
|
|
; SSE-NEXT: addps %xmm6, %xmm2
|
|
; SSE-NEXT: addps %xmm7, %xmm3
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: maxps {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_maxs_v16f32:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vaddps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddps %ymm3, %ymm1, %ymm1
|
|
; AVX1-NEXT: vmaxps %ymm6, %ymm4, %ymm2
|
|
; AVX1-NEXT: vmaxps %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vmaxps %ymm7, %ymm5, %ymm2
|
|
; AVX1-NEXT: vmaxps %ymm2, %ymm1, %ymm1
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_maxs_v16f32:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vaddps %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: vmaxps %zmm3, %zmm2, %zmm1
|
|
; AVX512-NEXT: vmaxps %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fadd <16 x float> %x0, %x1
|
|
%cmp1 = fcmp ogt <16 x float> %x2, %t0
|
|
%sel1 = select <16 x i1> %cmp1, <16 x float> %x2, <16 x float> %t0
|
|
%cmp2 = fcmp ogt <16 x float> %x3, %sel1
|
|
%sel2 = select <16 x i1> %cmp2, <16 x float> %x3, <16 x float> %sel1
|
|
ret <16 x float> %sel2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector double-precision minimum ops are reassociated.
|
|
|
|
define <8 x double> @reassociate_mins_v8f64(<8 x double> %x0, <8 x double> %x1, <8 x double> %x2, <8 x double> %x3) {
|
|
; SSE-LABEL: reassociate_mins_v8f64:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: addpd %xmm4, %xmm0
|
|
; SSE-NEXT: addpd %xmm5, %xmm1
|
|
; SSE-NEXT: addpd %xmm6, %xmm2
|
|
; SSE-NEXT: addpd %xmm7, %xmm3
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm0
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm1
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm2
|
|
; SSE-NEXT: minpd {{[0-9]+}}(%rsp), %xmm3
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX1-LABEL: reassociate_mins_v8f64:
|
|
; AVX1: # %bb.0:
|
|
; AVX1-NEXT: vaddpd %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vaddpd %ymm3, %ymm1, %ymm1
|
|
; AVX1-NEXT: vminpd %ymm6, %ymm4, %ymm2
|
|
; AVX1-NEXT: vminpd %ymm2, %ymm0, %ymm0
|
|
; AVX1-NEXT: vminpd %ymm7, %ymm5, %ymm2
|
|
; AVX1-NEXT: vminpd %ymm2, %ymm1, %ymm1
|
|
; AVX1-NEXT: retq
|
|
;
|
|
; AVX512-LABEL: reassociate_mins_v8f64:
|
|
; AVX512: # %bb.0:
|
|
; AVX512-NEXT: vaddpd %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: vminpd %zmm3, %zmm2, %zmm1
|
|
; AVX512-NEXT: vminpd %zmm1, %zmm0, %zmm0
|
|
; AVX512-NEXT: retq
|
|
%t0 = fadd <8 x double> %x0, %x1
|
|
%cmp1 = fcmp olt <8 x double> %x2, %t0
|
|
%sel1 = select <8 x i1> %cmp1, <8 x double> %x2, <8 x double> %t0
|
|
%cmp2 = fcmp olt <8 x double> %x3, %sel1
|
|
%sel2 = select <8 x i1> %cmp2, <8 x double> %x3, <8 x double> %sel1
|
|
ret <8 x double> %sel2
|
|
}
|
|
|
|
; Verify that AVX512 512-bit vector double-precision maximum ops are reassociated.
|
|
|
|
define <8 x double> @reassociate_maxs_v8f64(<8 x double> %x0, <8 x double> %x1, <8 x double> %x2, <8 x double> %x3) {
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; SSE-LABEL: reassociate_maxs_v8f64:
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; SSE: # %bb.0:
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; SSE-NEXT: addpd %xmm4, %xmm0
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; SSE-NEXT: addpd %xmm5, %xmm1
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; SSE-NEXT: addpd %xmm6, %xmm2
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; SSE-NEXT: addpd %xmm7, %xmm3
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm3
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm2
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm1
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm0
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm0
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm1
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm2
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; SSE-NEXT: maxpd {{[0-9]+}}(%rsp), %xmm3
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; SSE-NEXT: retq
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;
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; AVX1-LABEL: reassociate_maxs_v8f64:
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; AVX1: # %bb.0:
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; AVX1-NEXT: vaddpd %ymm2, %ymm0, %ymm0
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; AVX1-NEXT: vaddpd %ymm3, %ymm1, %ymm1
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; AVX1-NEXT: vmaxpd %ymm6, %ymm4, %ymm2
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; AVX1-NEXT: vmaxpd %ymm2, %ymm0, %ymm0
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; AVX1-NEXT: vmaxpd %ymm7, %ymm5, %ymm2
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; AVX1-NEXT: vmaxpd %ymm2, %ymm1, %ymm1
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; AVX1-NEXT: retq
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;
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; AVX512-LABEL: reassociate_maxs_v8f64:
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; AVX512: # %bb.0:
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; AVX512-NEXT: vaddpd %zmm1, %zmm0, %zmm0
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; AVX512-NEXT: vmaxpd %zmm3, %zmm2, %zmm1
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; AVX512-NEXT: vmaxpd %zmm1, %zmm0, %zmm0
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; AVX512-NEXT: retq
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%t0 = fadd <8 x double> %x0, %x1
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%cmp1 = fcmp ogt <8 x double> %x2, %t0
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%sel1 = select <8 x i1> %cmp1, <8 x double> %x2, <8 x double> %t0
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%cmp2 = fcmp ogt <8 x double> %x3, %sel1
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%sel2 = select <8 x i1> %cmp2, <8 x double> %x3, <8 x double> %sel1
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ret <8 x double> %sel2
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}
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; PR25016: https://llvm.org/bugs/show_bug.cgi?id=25016
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; Verify that reassociation is not happening needlessly or wrongly.
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declare double @bar()
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define double @reassociate_adds_from_calls() {
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; SSE-LABEL: reassociate_adds_from_calls:
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; SSE: # %bb.0:
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; SSE-NEXT: subq $24, %rsp
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; SSE-NEXT: .cfi_def_cfa_offset 32
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd %xmm0, (%rsp) # 8-byte Spill
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Reload
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; SSE-NEXT: # xmm1 = mem[0],zero
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; SSE-NEXT: addsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Folded Reload
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; SSE-NEXT: addsd (%rsp), %xmm0 # 8-byte Folded Reload
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; SSE-NEXT: addsd %xmm1, %xmm0
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; SSE-NEXT: addq $24, %rsp
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; SSE-NEXT: .cfi_def_cfa_offset 8
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; SSE-NEXT: retq
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;
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; AVX-LABEL: reassociate_adds_from_calls:
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; AVX: # %bb.0:
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; AVX-NEXT: subq $24, %rsp
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; AVX-NEXT: .cfi_def_cfa_offset 32
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd %xmm0, (%rsp) # 8-byte Spill
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Reload
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; AVX-NEXT: # xmm1 = mem[0],zero
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; AVX-NEXT: vaddsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1, %xmm1 # 8-byte Folded Reload
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; AVX-NEXT: vaddsd (%rsp), %xmm0, %xmm0 # 8-byte Folded Reload
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; AVX-NEXT: vaddsd %xmm0, %xmm1, %xmm0
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; AVX-NEXT: addq $24, %rsp
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; AVX-NEXT: .cfi_def_cfa_offset 8
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; AVX-NEXT: retq
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%x0 = call double @bar()
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%x1 = call double @bar()
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%x2 = call double @bar()
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%x3 = call double @bar()
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%t0 = fadd reassoc nsz double %x0, %x1
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%t1 = fadd reassoc nsz double %t0, %x2
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%t2 = fadd reassoc nsz double %t1, %x3
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ret double %t2
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}
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define double @already_reassociated() {
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; SSE-LABEL: already_reassociated:
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; SSE: # %bb.0:
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; SSE-NEXT: subq $24, %rsp
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; SSE-NEXT: .cfi_def_cfa_offset 32
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd %xmm0, (%rsp) # 8-byte Spill
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; SSE-NEXT: callq bar
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; SSE-NEXT: movsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Reload
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; SSE-NEXT: # xmm1 = mem[0],zero
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; SSE-NEXT: addsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Folded Reload
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; SSE-NEXT: addsd (%rsp), %xmm0 # 8-byte Folded Reload
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; SSE-NEXT: addsd %xmm1, %xmm0
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; SSE-NEXT: addq $24, %rsp
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; SSE-NEXT: .cfi_def_cfa_offset 8
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; SSE-NEXT: retq
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;
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; AVX-LABEL: already_reassociated:
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; AVX: # %bb.0:
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; AVX-NEXT: subq $24, %rsp
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; AVX-NEXT: .cfi_def_cfa_offset 32
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd %xmm0, {{[-0-9]+}}(%r{{[sb]}}p) # 8-byte Spill
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd %xmm0, (%rsp) # 8-byte Spill
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; AVX-NEXT: callq bar
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; AVX-NEXT: vmovsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 8-byte Reload
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|
; AVX-NEXT: # xmm1 = mem[0],zero
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|
; AVX-NEXT: vaddsd {{[-0-9]+}}(%r{{[sb]}}p), %xmm1, %xmm1 # 8-byte Folded Reload
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; AVX-NEXT: vaddsd (%rsp), %xmm0, %xmm0 # 8-byte Folded Reload
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|
; AVX-NEXT: vaddsd %xmm0, %xmm1, %xmm0
|
|
; AVX-NEXT: addq $24, %rsp
|
|
; AVX-NEXT: .cfi_def_cfa_offset 8
|
|
; AVX-NEXT: retq
|
|
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%x0 = call double @bar()
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|
%x1 = call double @bar()
|
|
%x2 = call double @bar()
|
|
%x3 = call double @bar()
|
|
%t0 = fadd reassoc nsz double %x0, %x1
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%t1 = fadd reassoc nsz double %x2, %x3
|
|
%t2 = fadd reassoc nsz double %t0, %t1
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|
ret double %t2
|
|
}
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