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; 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-prefix=SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefix=SSE41
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE42
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefixes=AVX,AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefixes=AVX,AVX2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefixes=AVX,AVX2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512bw | FileCheck %s --check-prefixes=AVX,AVX2
define <16 x i8> @test_v16i8_nosignbit(<16 x i8> %a, <16 x i8> %b) {
; SSE2-LABEL: test_v16i8_nosignbit:
; SSE2: # %bb.0:
; SSE2-NEXT: movdqa {{.*#+}} xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
; SSE2-NEXT: pand %xmm2, %xmm0
; SSE2-NEXT: pand %xmm1, %xmm2
; SSE2-NEXT: pmaxub %xmm2, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: test_v16i8_nosignbit:
; SSE41: # %bb.0:
; SSE41-NEXT: movdqa {{.*#+}} xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
; SSE41-NEXT: pand %xmm2, %xmm0
; SSE41-NEXT: pand %xmm1, %xmm2
; SSE41-NEXT: pmaxsb %xmm2, %xmm0
; SSE41-NEXT: retq
;
; SSE42-LABEL: test_v16i8_nosignbit:
; SSE42: # %bb.0:
; SSE42-NEXT: movdqa {{.*#+}} xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
; SSE42-NEXT: pand %xmm2, %xmm0
; SSE42-NEXT: pand %xmm1, %xmm2
; SSE42-NEXT: pmaxsb %xmm2, %xmm0
; SSE42-NEXT: retq
;
; AVX1-LABEL: test_v16i8_nosignbit:
; AVX1: # %bb.0:
; AVX1-NEXT: vbroadcastss {{.*#+}} xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
; AVX1-NEXT: vpand %xmm2, %xmm0, %xmm0
; AVX1-NEXT: vpand %xmm2, %xmm1, %xmm1
; AVX1-NEXT: vpmaxsb %xmm1, %xmm0, %xmm0
; AVX1-NEXT: retq
;
; AVX2-LABEL: test_v16i8_nosignbit:
; AVX2: # %bb.0:
; AVX2-NEXT: vpbroadcastb {{.*#+}} xmm2 = [15,15,15,15,15,15,15,15,15,15,15,15,15,15,15,15]
; AVX2-NEXT: vpand %xmm2, %xmm0, %xmm0
; AVX2-NEXT: vpand %xmm2, %xmm1, %xmm1
; AVX2-NEXT: vpmaxsb %xmm1, %xmm0, %xmm0
; AVX2-NEXT: retq
%1 = and <16 x i8> %a, <i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15>
%2 = and <16 x i8> %b, <i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15, i8 15>
%3 = icmp sgt <16 x i8> %1, %2
%4 = select <16 x i1> %3, <16 x i8> %1, <16 x i8> %2
ret <16 x i8> %4
}
define <16 x i8> @test_v16i8_reassociation(<16 x i8> %a) {
; SSE2-LABEL: test_v16i8_reassociation:
; SSE2: # %bb.0:
; SSE2-NEXT: pxor %xmm1, %xmm1
; SSE2-NEXT: movdqa %xmm0, %xmm2
; SSE2-NEXT: pcmpgtb %xmm1, %xmm2
; SSE2-NEXT: pand %xmm2, %xmm0
; SSE2-NEXT: retq
;
; SSE41-LABEL: test_v16i8_reassociation:
; SSE41: # %bb.0:
; SSE41-NEXT: pxor %xmm1, %xmm1
; SSE41-NEXT: pmaxsb %xmm1, %xmm0
; SSE41-NEXT: pmaxsb %xmm1, %xmm0
; SSE41-NEXT: retq
;
; SSE42-LABEL: test_v16i8_reassociation:
; SSE42: # %bb.0:
; SSE42-NEXT: pxor %xmm1, %xmm1
; SSE42-NEXT: pmaxsb %xmm1, %xmm0
; SSE42-NEXT: pmaxsb %xmm1, %xmm0
; SSE42-NEXT: retq
;
; AVX-LABEL: test_v16i8_reassociation:
; AVX: # %bb.0:
; AVX-NEXT: vpxor %xmm1, %xmm1, %xmm1
; AVX-NEXT: vpmaxsb %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpmaxsb %xmm1, %xmm0, %xmm0
; AVX-NEXT: retq
%1 = call <16 x i8> @llvm.smax.v16i8(<16 x i8> %a, <16 x i8> zeroinitializer)
%2 = call <16 x i8> @llvm.smax.v16i8(<16 x i8> %1, <16 x i8> zeroinitializer)
ret <16 x i8> %2
}
declare <16 x i8> @llvm.smax.v16i8(<16 x i8> %x, <16 x i8> %y)
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