llvm-for-llvmta/test/CodeGen/X86/combine-movmsk.ll

313 lines
10 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=SSE,SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefixes=SSE,SSE42
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX
declare i32 @llvm.x86.sse.movmsk.ps(<4 x float>)
declare i32 @llvm.x86.sse2.movmsk.pd(<2 x double>)
declare i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8>)
; Use widest possible vector for movmsk comparisons (PR37087)
define i1 @movmskps_noneof_bitcast_v2f64(<2 x double> %a0) {
; SSE-LABEL: movmskps_noneof_bitcast_v2f64:
; SSE: # %bb.0:
; SSE-NEXT: xorpd %xmm1, %xmm1
; SSE-NEXT: cmpeqpd %xmm0, %xmm1
; SSE-NEXT: movmskpd %xmm1, %eax
; SSE-NEXT: testl %eax, %eax
; SSE-NEXT: sete %al
; SSE-NEXT: retq
;
; AVX-LABEL: movmskps_noneof_bitcast_v2f64:
; AVX: # %bb.0:
; AVX-NEXT: vxorpd %xmm1, %xmm1, %xmm1
; AVX-NEXT: vcmpeqpd %xmm0, %xmm1, %xmm0
; AVX-NEXT: vmovmskpd %xmm0, %eax
; AVX-NEXT: testl %eax, %eax
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = fcmp oeq <2 x double> zeroinitializer, %a0
%2 = sext <2 x i1> %1 to <2 x i64>
%3 = bitcast <2 x i64> %2 to <4 x float>
%4 = tail call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %3)
%5 = icmp eq i32 %4, 0
ret i1 %5
}
define i1 @movmskps_allof_bitcast_v2f64(<2 x double> %a0) {
; SSE-LABEL: movmskps_allof_bitcast_v2f64:
; SSE: # %bb.0:
; SSE-NEXT: xorpd %xmm1, %xmm1
; SSE-NEXT: cmpeqpd %xmm0, %xmm1
; SSE-NEXT: movmskpd %xmm1, %eax
; SSE-NEXT: cmpl $3, %eax
; SSE-NEXT: sete %al
; SSE-NEXT: retq
;
; AVX-LABEL: movmskps_allof_bitcast_v2f64:
; AVX: # %bb.0:
; AVX-NEXT: vxorpd %xmm1, %xmm1, %xmm1
; AVX-NEXT: vcmpeqpd %xmm0, %xmm1, %xmm0
; AVX-NEXT: vmovmskpd %xmm0, %eax
; AVX-NEXT: cmpl $3, %eax
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = fcmp oeq <2 x double> zeroinitializer, %a0
%2 = sext <2 x i1> %1 to <2 x i64>
%3 = bitcast <2 x i64> %2 to <4 x float>
%4 = tail call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %3)
%5 = icmp eq i32 %4, 15
ret i1 %5
}
define i1 @pmovmskb_noneof_bitcast_v2i64(<2 x i64> %a0) {
; SSE2-LABEL: pmovmskb_noneof_bitcast_v2i64:
; SSE2: # %bb.0:
; SSE2-NEXT: pxor %xmm1, %xmm1
; SSE2-NEXT: pcmpgtd %xmm0, %xmm1
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,3,3]
; SSE2-NEXT: movmskps %xmm0, %eax
; SSE2-NEXT: testl %eax, %eax
; SSE2-NEXT: sete %al
; SSE2-NEXT: retq
;
; SSE42-LABEL: pmovmskb_noneof_bitcast_v2i64:
; SSE42: # %bb.0:
; SSE42-NEXT: movmskpd %xmm0, %eax
; SSE42-NEXT: testl %eax, %eax
; SSE42-NEXT: sete %al
; SSE42-NEXT: retq
;
; AVX-LABEL: pmovmskb_noneof_bitcast_v2i64:
; AVX: # %bb.0:
; AVX-NEXT: vmovmskpd %xmm0, %eax
; AVX-NEXT: testl %eax, %eax
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = icmp sgt <2 x i64> zeroinitializer, %a0
%2 = sext <2 x i1> %1 to <2 x i64>
%3 = bitcast <2 x i64> %2 to <16 x i8>
%4 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %3)
%5 = icmp eq i32 %4, 0
ret i1 %5
}
define i1 @pmovmskb_allof_bitcast_v2i64(<2 x i64> %a0) {
; SSE2-LABEL: pmovmskb_allof_bitcast_v2i64:
; SSE2: # %bb.0:
; SSE2-NEXT: pxor %xmm1, %xmm1
; SSE2-NEXT: pcmpgtd %xmm0, %xmm1
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,3,3]
; SSE2-NEXT: movmskps %xmm0, %eax
; SSE2-NEXT: cmpl $15, %eax
; SSE2-NEXT: sete %al
; SSE2-NEXT: retq
;
; SSE42-LABEL: pmovmskb_allof_bitcast_v2i64:
; SSE42: # %bb.0:
; SSE42-NEXT: movmskpd %xmm0, %eax
; SSE42-NEXT: cmpl $3, %eax
; SSE42-NEXT: sete %al
; SSE42-NEXT: retq
;
; AVX-LABEL: pmovmskb_allof_bitcast_v2i64:
; AVX: # %bb.0:
; AVX-NEXT: vmovmskpd %xmm0, %eax
; AVX-NEXT: cmpl $3, %eax
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = icmp sgt <2 x i64> zeroinitializer, %a0
%2 = sext <2 x i1> %1 to <2 x i64>
%3 = bitcast <2 x i64> %2 to <16 x i8>
%4 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %3)
%5 = icmp eq i32 %4, 65535
ret i1 %5
}
define i1 @pmovmskb_noneof_bitcast_v4f32(<4 x float> %a0) {
; SSE-LABEL: pmovmskb_noneof_bitcast_v4f32:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm1, %xmm1
; SSE-NEXT: cmpeqps %xmm0, %xmm1
; SSE-NEXT: movmskps %xmm1, %eax
; SSE-NEXT: testl %eax, %eax
; SSE-NEXT: sete %al
; SSE-NEXT: retq
;
; AVX-LABEL: pmovmskb_noneof_bitcast_v4f32:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1
; AVX-NEXT: vcmpeqps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vmovmskps %xmm0, %eax
; AVX-NEXT: testl %eax, %eax
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = fcmp oeq <4 x float> %a0, zeroinitializer
%2 = sext <4 x i1> %1 to <4 x i32>
%3 = bitcast <4 x i32> %2 to <16 x i8>
%4 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %3)
%5 = icmp eq i32 %4, 0
ret i1 %5
}
define i1 @pmovmskb_allof_bitcast_v4f32(<4 x float> %a0) {
; SSE-LABEL: pmovmskb_allof_bitcast_v4f32:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm1, %xmm1
; SSE-NEXT: cmpeqps %xmm0, %xmm1
; SSE-NEXT: movmskps %xmm1, %eax
; SSE-NEXT: cmpl $15, %eax
; SSE-NEXT: sete %al
; SSE-NEXT: retq
;
; AVX-LABEL: pmovmskb_allof_bitcast_v4f32:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1
; AVX-NEXT: vcmpeqps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vmovmskps %xmm0, %eax
; AVX-NEXT: cmpl $15, %eax
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = fcmp oeq <4 x float> %a0, zeroinitializer
%2 = sext <4 x i1> %1 to <4 x i32>
%3 = bitcast <4 x i32> %2 to <16 x i8>
%4 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %3)
%5 = icmp eq i32 %4, 65535
ret i1 %5
}
; MOVMSK(ICMP_SGT(X,-1)) -> NOT(MOVMSK(X)))
define i1 @movmskps_allof_v4i32_positive(<4 x i32> %a0) {
; SSE-LABEL: movmskps_allof_v4i32_positive:
; SSE: # %bb.0:
; SSE-NEXT: movmskps %xmm0, %eax
; SSE-NEXT: xorl $15, %eax
; SSE-NEXT: cmpl $15, %eax
; SSE-NEXT: sete %al
; SSE-NEXT: retq
;
; AVX-LABEL: movmskps_allof_v4i32_positive:
; AVX: # %bb.0:
; AVX-NEXT: vmovmskps %xmm0, %eax
; AVX-NEXT: xorl $15, %eax
; AVX-NEXT: cmpl $15, %eax
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = icmp sgt <4 x i32> %a0, <i32 -1, i32 -1, i32 -1, i32 -1>
%2 = sext <4 x i1> %1 to <4 x i32>
%3 = bitcast <4 x i32> %2 to <4 x float>
%4 = tail call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %3)
%5 = icmp eq i32 %4, 15
ret i1 %5
}
define i1 @pmovmskb_noneof_v16i8_positive(<16 x i8> %a0) {
; SSE-LABEL: pmovmskb_noneof_v16i8_positive:
; SSE: # %bb.0:
; SSE-NEXT: pmovmskb %xmm0, %eax
; SSE-NEXT: xorl $65535, %eax # imm = 0xFFFF
; SSE-NEXT: sete %al
; SSE-NEXT: retq
;
; AVX-LABEL: pmovmskb_noneof_v16i8_positive:
; AVX: # %bb.0:
; AVX-NEXT: vpmovmskb %xmm0, %eax
; AVX-NEXT: xorl $65535, %eax # imm = 0xFFFF
; AVX-NEXT: sete %al
; AVX-NEXT: retq
%1 = icmp sgt <16 x i8> %a0, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>
%2 = sext <16 x i1> %1 to <16 x i8>
%3 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %2)
%4 = icmp eq i32 %3, 0
ret i1 %4
}
; AND(MOVMSK(X),MOVMSK(Y)) -> MOVMSK(AND(X,Y))
; XOR(MOVMSK(X),MOVMSK(Y)) -> MOVMSK(XOR(X,Y))
; OR(MOVMSK(X),MOVMSK(Y)) -> MOVMSK(OR(X,Y))
; if the elements are the same width.
define i32 @and_movmskpd_movmskpd(<2 x double> %a0, <2 x i64> %a1) {
; SSE-LABEL: and_movmskpd_movmskpd:
; SSE: # %bb.0:
; SSE-NEXT: xorpd %xmm2, %xmm2
; SSE-NEXT: cmpeqpd %xmm0, %xmm2
; SSE-NEXT: andpd %xmm1, %xmm2
; SSE-NEXT: movmskpd %xmm2, %eax
; SSE-NEXT: retq
;
; AVX-LABEL: and_movmskpd_movmskpd:
; AVX: # %bb.0:
; AVX-NEXT: vxorpd %xmm2, %xmm2, %xmm2
; AVX-NEXT: vcmpeqpd %xmm0, %xmm2, %xmm0
; AVX-NEXT: vandpd %xmm1, %xmm0, %xmm0
; AVX-NEXT: vmovmskpd %xmm0, %eax
; AVX-NEXT: retq
%1 = fcmp oeq <2 x double> zeroinitializer, %a0
%2 = sext <2 x i1> %1 to <2 x i64>
%3 = bitcast <2 x i64> %2 to <2 x double>
%4 = tail call i32 @llvm.x86.sse2.movmsk.pd(<2 x double> %3)
%5 = icmp sgt <2 x i64> zeroinitializer, %a1
%6 = bitcast <2 x i1> %5 to i2
%7 = zext i2 %6 to i32
%8 = and i32 %4, %7
ret i32 %8
}
define i32 @xor_movmskps_movmskps(<4 x float> %a0, <4 x i32> %a1) {
; SSE-LABEL: xor_movmskps_movmskps:
; SSE: # %bb.0:
; SSE-NEXT: xorps %xmm2, %xmm2
; SSE-NEXT: cmpeqps %xmm0, %xmm2
; SSE-NEXT: xorps %xmm1, %xmm2
; SSE-NEXT: movmskps %xmm2, %eax
; SSE-NEXT: retq
;
; AVX-LABEL: xor_movmskps_movmskps:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm2, %xmm2, %xmm2
; AVX-NEXT: vcmpeqps %xmm0, %xmm2, %xmm0
; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vmovmskps %xmm0, %eax
; AVX-NEXT: retq
%1 = fcmp oeq <4 x float> zeroinitializer, %a0
%2 = sext <4 x i1> %1 to <4 x i32>
%3 = bitcast <4 x i32> %2 to <4 x float>
%4 = tail call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %3)
%5 = ashr <4 x i32> %a1, <i32 31, i32 31, i32 31, i32 31>
%6 = bitcast <4 x i32> %5 to <4 x float>
%7 = tail call i32 @llvm.x86.sse.movmsk.ps(<4 x float> %6)
%8 = xor i32 %4, %7
ret i32 %8
}
define i32 @or_pmovmskb_pmovmskb(<16 x i8> %a0, <8 x i16> %a1) {
; SSE-LABEL: or_pmovmskb_pmovmskb:
; SSE: # %bb.0:
; SSE-NEXT: pxor %xmm2, %xmm2
; SSE-NEXT: pcmpeqb %xmm0, %xmm2
; SSE-NEXT: psraw $15, %xmm1
; SSE-NEXT: por %xmm2, %xmm1
; SSE-NEXT: pmovmskb %xmm1, %eax
; SSE-NEXT: retq
;
; AVX-LABEL: or_pmovmskb_pmovmskb:
; AVX: # %bb.0:
; AVX-NEXT: vpxor %xmm2, %xmm2, %xmm2
; AVX-NEXT: vpcmpeqb %xmm2, %xmm0, %xmm0
; AVX-NEXT: vpsraw $15, %xmm1, %xmm1
; AVX-NEXT: vpor %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpmovmskb %xmm0, %eax
; AVX-NEXT: retq
%1 = icmp eq <16 x i8> zeroinitializer, %a0
%2 = sext <16 x i1> %1 to <16 x i8>
%3 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %2)
%4 = ashr <8 x i16> %a1, <i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15, i16 15>
%5 = bitcast <8 x i16> %4 to <16 x i8>
%6 = tail call i32 @llvm.x86.sse2.pmovmskb.128(<16 x i8> %5)
%7 = or i32 %3, %6
ret i32 %7
}