llvm-for-llvmta/test/CodeGen/X86/sse2-intrinsics-canonical.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=-avx,+sse2 -show-mc-encoding | FileCheck %s --check-prefix=SSE
; RUN: llc < %s -mtriple=i386-apple-darwin -mattr=+avx2 -show-mc-encoding | FileCheck %s --check-prefix=AVX2
; RUN: llc < %s -mtriple=i386-apple-darwin -mcpu=skx -show-mc-encoding | FileCheck %s --check-prefix=SKX

; NOTE: This should use IR equivalent to what is generated by clang/test/CodeGen/sse2-builtins.c


define <16 x i8> @test_x86_sse2_paddus_b(<16 x i8> %a0, <16 x i8> %a1) {
; SSE-LABEL: test_x86_sse2_paddus_b:
; SSE:       ## %bb.0:
; SSE-NEXT:    paddusb %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xdc,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_paddus_b:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpaddusb %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xdc,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_paddus_b:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpaddusb %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xdc,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %1 = add <16 x i8> %a0, %a1
  %2 = icmp ugt <16 x i8> %a0, %1
  %3 = select <16 x i1> %2, <16 x i8> <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>, <16 x i8> %1
  ret <16 x i8> %3
}

define <8 x i16> @test_x86_sse2_paddus_w(<8 x i16> %a0, <8 x i16> %a1) {
; SSE-LABEL: test_x86_sse2_paddus_w:
; SSE:       ## %bb.0:
; SSE-NEXT:    paddusw %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xdd,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_paddus_w:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpaddusw %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xdd,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_paddus_w:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpaddusw %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xdd,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %1 = add <8 x i16> %a0, %a1
  %2 = icmp ugt <8 x i16> %a0, %1
  %3 = select <8 x i1> %2, <8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>, <8 x i16> %1
  ret <8 x i16> %3
}

define <16 x i8> @test_x86_sse2_psubus_b(<16 x i8> %a0, <16 x i8> %a1) {
; SSE-LABEL: test_x86_sse2_psubus_b:
; SSE:       ## %bb.0:
; SSE-NEXT:    psubusb %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xd8,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_psubus_b:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpsubusb %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xd8,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_psubus_b:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpsubusb %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xd8,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %cmp = icmp ugt <16 x i8> %a0, %a1
  %sel = select <16 x i1> %cmp, <16 x i8> %a0, <16 x i8> %a1
  %sub = sub <16 x i8> %sel, %a1
  ret <16 x i8> %sub
}

define <8 x i16> @test_x86_sse2_psubus_w(<8 x i16> %a0, <8 x i16> %a1) {
; SSE-LABEL: test_x86_sse2_psubus_w:
; SSE:       ## %bb.0:
; SSE-NEXT:    psubusw %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xd9,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_psubus_w:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpsubusw %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xd9,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_psubus_w:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpsubusw %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xd9,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %cmp = icmp ugt <8 x i16> %a0, %a1
  %sel = select <8 x i1> %cmp, <8 x i16> %a0, <8 x i16> %a1
  %sub = sub <8 x i16> %sel, %a1
  ret <8 x i16> %sub
}

define <8 x i8> @test_x86_sse2_paddus_b_64(<8 x i8> %a0, <8 x i8> %a1) {
; SSE-LABEL: test_x86_sse2_paddus_b_64:
; SSE:       ## %bb.0:
; SSE-NEXT:    paddusb %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xdc,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_paddus_b_64:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpaddusb %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xdc,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_paddus_b_64:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpaddusb %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xdc,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %1 = add <8 x i8> %a0, %a1
  %2 = icmp ugt <8 x i8> %a0, %1
  %3 = select <8 x i1> %2, <8 x i8> <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>, <8 x i8> %1
  ret <8 x i8> %3
}

define <4 x i16> @test_x86_sse2_paddus_w_64(<4 x i16> %a0, <4 x i16> %a1) {
; SSE-LABEL: test_x86_sse2_paddus_w_64:
; SSE:       ## %bb.0:
; SSE-NEXT:    paddusw %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xdd,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_paddus_w_64:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpaddusw %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xdd,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_paddus_w_64:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpaddusw %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xdd,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %1 = add <4 x i16> %a0, %a1
  %2 = icmp ugt <4 x i16> %a0, %1
  %3 = select <4 x i1> %2, <4 x i16> <i16 -1, i16 -1, i16 -1, i16 -1>, <4 x i16> %1
  ret <4 x i16> %3
}

define <8 x i8> @test_x86_sse2_psubus_b_64(<8 x i8> %a0, <8 x i8> %a1) {
; SSE-LABEL: test_x86_sse2_psubus_b_64:
; SSE:       ## %bb.0:
; SSE-NEXT:    psubusb %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xd8,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_psubus_b_64:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpsubusb %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xd8,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_psubus_b_64:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpsubusb %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xd8,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %cmp = icmp ugt <8 x i8> %a0, %a1
  %sel = select <8 x i1> %cmp, <8 x i8> %a0, <8 x i8> %a1
  %sub = sub <8 x i8> %sel, %a1
  ret <8 x i8> %sub
}

define <4 x i16> @test_x86_sse2_psubus_w_64(<4 x i16> %a0, <4 x i16> %a1) {
; SSE-LABEL: test_x86_sse2_psubus_w_64:
; SSE:       ## %bb.0:
; SSE-NEXT:    psubusw %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xd9,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: test_x86_sse2_psubus_w_64:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpsubusw %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xd9,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: test_x86_sse2_psubus_w_64:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpsubusw %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xd9,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %cmp = icmp ugt <4 x i16> %a0, %a1
  %sel = select <4 x i1> %cmp, <4 x i16> %a0, <4 x i16> %a1
  %sub = sub <4 x i16> %sel, %a1
  ret <4 x i16> %sub
}

; This test has a normal add and a saturating add.
; FIXME: This should be an addw and a addusw, but a bad canonicalization makes this not work.
define <8 x i16> @add_addusw(<8 x i16> %x, <8 x i16> %y, <8 x i16> %z) {
; SSE-LABEL: add_addusw:
; SSE:       ## %bb.0:
; SSE-NEXT:    paddw %xmm2, %xmm1 ## encoding: [0x66,0x0f,0xfd,0xca]
; SSE-NEXT:    paddusw %xmm1, %xmm0 ## encoding: [0x66,0x0f,0xdd,0xc1]
; SSE-NEXT:    retl ## encoding: [0xc3]
;
; AVX2-LABEL: add_addusw:
; AVX2:       ## %bb.0:
; AVX2-NEXT:    vpaddw %xmm2, %xmm1, %xmm1 ## encoding: [0xc5,0xf1,0xfd,0xca]
; AVX2-NEXT:    vpaddusw %xmm1, %xmm0, %xmm0 ## encoding: [0xc5,0xf9,0xdd,0xc1]
; AVX2-NEXT:    retl ## encoding: [0xc3]
;
; SKX-LABEL: add_addusw:
; SKX:       ## %bb.0:
; SKX-NEXT:    vpaddw %xmm2, %xmm1, %xmm1 ## EVEX TO VEX Compression encoding: [0xc5,0xf1,0xfd,0xca]
; SKX-NEXT:    vpaddusw %xmm1, %xmm0, %xmm0 ## EVEX TO VEX Compression encoding: [0xc5,0xf9,0xdd,0xc1]
; SKX-NEXT:    retl ## encoding: [0xc3]
  %a = add <8 x i16> %y, %z
  %b = add <8 x i16> %x, %a
  %c = icmp ugt <8 x i16> %a, %b
  %res = select <8 x i1> %c, <8 x i16> <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>, <8 x i16> %b
  ret <8 x i16> %res
}