675 lines
22 KiB
LLVM
675 lines
22 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefixes=SSE,SSE2
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.1 | FileCheck %s --check-prefixes=SSE,SSE41
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX
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; Verify that we don't emit packed vector shifts instructions if the
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; condition used by the vector select is a vector of constants.
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define <4 x float> @test1(<4 x float> %a, <4 x float> %b) {
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; SSE2-LABEL: test1:
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; SSE2: # %bb.0:
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; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[1,3]
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; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,1,3]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test1:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test1:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 true, i1 false, i1 true, i1 false>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <4 x float> @test2(<4 x float> %a, <4 x float> %b) {
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; SSE2-LABEL: test2:
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; SSE2: # %bb.0:
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; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test2:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test2:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 true, i1 true, i1 false, i1 false>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <4 x float> @test3(<4 x float> %a, <4 x float> %b) {
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; SSE2-LABEL: test3:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test3:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test3:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <4 x float> @test4(<4 x float> %a, <4 x float> %b) {
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; SSE-LABEL: test4:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps %xmm1, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test4:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps %xmm1, %xmm0
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 false, i1 false, i1 false, i1 false>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <4 x float> @test5(<4 x float> %a, <4 x float> %b) {
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; SSE-LABEL: test5:
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; SSE: # %bb.0:
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test5:
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; AVX: # %bb.0:
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 true, i1 true, i1 true, i1 true>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <8 x i16> @test6(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: test6:
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; SSE: # %bb.0:
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test6:
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; AVX: # %bb.0:
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 true, i1 false, i1 true, i1 false, i1 true, i1 false, i1 true, i1 false>, <8 x i16> %a, <8 x i16> %a
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ret <8 x i16> %1
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}
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define <8 x i16> @test7(<8 x i16> %a, <8 x i16> %b) {
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; SSE2-LABEL: test7:
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; SSE2: # %bb.0:
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; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test7:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test7:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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define <8 x i16> @test8(<8 x i16> %a, <8 x i16> %b) {
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; SSE2-LABEL: test8:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test8:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test8:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 false, i1 true, i1 true, i1 true, i1 true>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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define <8 x i16> @test9(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: test9:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps %xmm1, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test9:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps %xmm1, %xmm0
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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define <8 x i16> @test10(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: test10:
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; SSE: # %bb.0:
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test10:
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; AVX: # %bb.0:
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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define <8 x i16> @test11(<8 x i16> %a, <8 x i16> %b) {
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; SSE2-LABEL: test11:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movaps {{.*#+}} xmm2 = [0,65535,65535,0,0,65535,65535,0]
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; SSE2-NEXT: andps %xmm2, %xmm0
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; SSE2-NEXT: andnps %xmm1, %xmm2
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; SSE2-NEXT: orps %xmm2, %xmm0
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test11:
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; SSE41: # %bb.0:
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; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0],xmm0[1,2],xmm1[3,4],xmm0[5,6],xmm1[7]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test11:
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; AVX: # %bb.0:
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; AVX-NEXT: vpblendw {{.*#+}} xmm0 = xmm1[0],xmm0[1,2],xmm1[3,4],xmm0[5,6],xmm1[7]
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 false, i1 true, i1 true, i1 false, i1 undef, i1 true, i1 true, i1 undef>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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define <8 x i16> @test12(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: test12:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps %xmm1, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test12:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps %xmm1, %xmm0
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 false, i1 false, i1 undef, i1 false, i1 false, i1 false, i1 false, i1 undef>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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define <8 x i16> @test13(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: test13:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps %xmm1, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test13:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps %xmm1, %xmm0
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef, i1 undef>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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; Fold (vselect (build_vector AllOnes), N1, N2) -> N1
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define <4 x float> @test14(<4 x float> %a, <4 x float> %b) {
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; SSE-LABEL: test14:
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; SSE: # %bb.0:
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test14:
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; AVX: # %bb.0:
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 true, i1 undef, i1 true, i1 undef>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <8 x i16> @test15(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: test15:
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; SSE: # %bb.0:
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test15:
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; AVX: # %bb.0:
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 true, i1 true, i1 true, i1 undef, i1 undef, i1 true, i1 true, i1 undef>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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; Fold (vselect (build_vector AllZeros), N1, N2) -> N2
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define <4 x float> @test16(<4 x float> %a, <4 x float> %b) {
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; SSE-LABEL: test16:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps %xmm1, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test16:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps %xmm1, %xmm0
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 false, i1 undef, i1 false, i1 undef>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <8 x i16> @test17(<8 x i16> %a, <8 x i16> %b) {
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; SSE-LABEL: test17:
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; SSE: # %bb.0:
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; SSE-NEXT: movaps %xmm1, %xmm0
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; SSE-NEXT: retq
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;
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; AVX-LABEL: test17:
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; AVX: # %bb.0:
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; AVX-NEXT: vmovaps %xmm1, %xmm0
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; AVX-NEXT: retq
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%1 = select <8 x i1> <i1 false, i1 false, i1 false, i1 undef, i1 undef, i1 false, i1 false, i1 undef>, <8 x i16> %a, <8 x i16> %b
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ret <8 x i16> %1
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}
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define <4 x float> @test18(<4 x float> %a, <4 x float> %b) {
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; SSE2-LABEL: test18:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test18:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test18:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 false, i1 true, i1 true, i1 true>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <4 x i32> @test19(<4 x i32> %a, <4 x i32> %b) {
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; SSE2-LABEL: test19:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test19:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test19:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 false, i1 true, i1 true, i1 true>, <4 x i32> %a, <4 x i32> %b
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ret <4 x i32> %1
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}
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define <2 x double> @test20(<2 x double> %a, <2 x double> %b) {
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; SSE2-LABEL: test20:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test20:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test20:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; AVX-NEXT: retq
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%1 = select <2 x i1> <i1 false, i1 true>, <2 x double> %a, <2 x double> %b
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ret <2 x double> %1
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}
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define <2 x i64> @test21(<2 x i64> %a, <2 x i64> %b) {
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; SSE2-LABEL: test21:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test21:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test21:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
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; AVX-NEXT: retq
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%1 = select <2 x i1> <i1 false, i1 true>, <2 x i64> %a, <2 x i64> %b
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ret <2 x i64> %1
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}
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define <4 x float> @test22(<4 x float> %a, <4 x float> %b) {
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; SSE2-LABEL: test22:
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; SSE2: # %bb.0:
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; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
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; SSE2-NEXT: movaps %xmm1, %xmm0
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; SSE2-NEXT: retq
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;
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; SSE41-LABEL: test22:
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; SSE41: # %bb.0:
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; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
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; SSE41-NEXT: retq
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;
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; AVX-LABEL: test22:
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; AVX: # %bb.0:
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; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
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; AVX-NEXT: retq
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%1 = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x float> %a, <4 x float> %b
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ret <4 x float> %1
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}
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define <4 x i32> @test23(<4 x i32> %a, <4 x i32> %b) {
|
|
; SSE2-LABEL: test23:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
|
|
; SSE2-NEXT: movaps %xmm1, %xmm0
|
|
; SSE2-NEXT: retq
|
|
;
|
|
; SSE41-LABEL: test23:
|
|
; SSE41: # %bb.0:
|
|
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
|
|
; SSE41-NEXT: retq
|
|
;
|
|
; AVX-LABEL: test23:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
|
|
; AVX-NEXT: retq
|
|
%1 = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <4 x i32> %a, <4 x i32> %b
|
|
ret <4 x i32> %1
|
|
}
|
|
|
|
define <2 x double> @test24(<2 x double> %a, <2 x double> %b) {
|
|
; SSE2-LABEL: test24:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
|
|
; SSE2-NEXT: retq
|
|
;
|
|
; SSE41-LABEL: test24:
|
|
; SSE41: # %bb.0:
|
|
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
|
|
; SSE41-NEXT: retq
|
|
;
|
|
; AVX-LABEL: test24:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
|
|
; AVX-NEXT: retq
|
|
%1 = select <2 x i1> <i1 true, i1 false>, <2 x double> %a, <2 x double> %b
|
|
ret <2 x double> %1
|
|
}
|
|
|
|
define <2 x i64> @test25(<2 x i64> %a, <2 x i64> %b) {
|
|
; SSE2-LABEL: test25:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
|
|
; SSE2-NEXT: retq
|
|
;
|
|
; SSE41-LABEL: test25:
|
|
; SSE41: # %bb.0:
|
|
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
|
|
; SSE41-NEXT: retq
|
|
;
|
|
; AVX-LABEL: test25:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
|
|
; AVX-NEXT: retq
|
|
%1 = select <2 x i1> <i1 true, i1 false>, <2 x i64> %a, <2 x i64> %b
|
|
ret <2 x i64> %1
|
|
}
|
|
|
|
define <4 x float> @select_of_shuffles_0(<2 x float> %a0, <2 x float> %b0, <2 x float> %a1, <2 x float> %b1) {
|
|
; SSE-LABEL: select_of_shuffles_0:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm2[0]
|
|
; SSE-NEXT: movlhps {{.*#+}} xmm1 = xmm1[0],xmm3[0]
|
|
; SSE-NEXT: subps %xmm1, %xmm0
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: select_of_shuffles_0:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm2[0]
|
|
; AVX-NEXT: vmovlhps {{.*#+}} xmm1 = xmm1[0],xmm3[0]
|
|
; AVX-NEXT: vsubps %xmm1, %xmm0, %xmm0
|
|
; AVX-NEXT: retq
|
|
%1 = shufflevector <2 x float> %a0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
|
%2 = shufflevector <2 x float> %a1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
|
|
%3 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %2, <4 x float> %1
|
|
%4 = shufflevector <2 x float> %b0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
|
|
%5 = shufflevector <2 x float> %b1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
|
|
%6 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %5, <4 x float> %4
|
|
%7 = fsub <4 x float> %3, %6
|
|
ret <4 x float> %7
|
|
}
|
|
|
|
; PR20677
|
|
define <16 x double> @select_illegal(<16 x double> %a, <16 x double> %b) {
|
|
; SSE-LABEL: select_illegal:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: movq %rdi, %rax
|
|
; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm4
|
|
; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm5
|
|
; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm6
|
|
; SSE-NEXT: movaps {{[0-9]+}}(%rsp), %xmm7
|
|
; SSE-NEXT: movaps %xmm7, 112(%rdi)
|
|
; SSE-NEXT: movaps %xmm6, 96(%rdi)
|
|
; SSE-NEXT: movaps %xmm5, 80(%rdi)
|
|
; SSE-NEXT: movaps %xmm4, 64(%rdi)
|
|
; SSE-NEXT: movaps %xmm3, 48(%rdi)
|
|
; SSE-NEXT: movaps %xmm2, 32(%rdi)
|
|
; SSE-NEXT: movaps %xmm1, 16(%rdi)
|
|
; SSE-NEXT: movaps %xmm0, (%rdi)
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: select_illegal:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vmovaps %ymm7, %ymm3
|
|
; AVX-NEXT: vmovaps %ymm6, %ymm2
|
|
; AVX-NEXT: retq
|
|
%sel = select <16 x i1> <i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 true, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false, i1 false>, <16 x double> %a, <16 x double> %b
|
|
ret <16 x double> %sel
|
|
}
|
|
|
|
; Make sure we can optimize the condition MSB when it is used by 2 selects.
|
|
; The v2i1 here will be passed as v2i64 and we will emit a sign_extend_inreg to fill the upper bits.
|
|
; We should be able to remove the sra from the sign_extend_inreg to leave only shl.
|
|
define <2 x i64> @shrunkblend_2uses(<2 x i1> %cond, <2 x i64> %a, <2 x i64> %b, <2 x i64> %c, <2 x i64> %d) {
|
|
; SSE2-LABEL: shrunkblend_2uses:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: psllq $63, %xmm0
|
|
; SSE2-NEXT: psrad $31, %xmm0
|
|
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
|
|
; SSE2-NEXT: movdqa %xmm0, %xmm5
|
|
; SSE2-NEXT: pandn %xmm2, %xmm5
|
|
; SSE2-NEXT: pand %xmm0, %xmm1
|
|
; SSE2-NEXT: por %xmm1, %xmm5
|
|
; SSE2-NEXT: pand %xmm0, %xmm3
|
|
; SSE2-NEXT: pandn %xmm4, %xmm0
|
|
; SSE2-NEXT: por %xmm3, %xmm0
|
|
; SSE2-NEXT: paddq %xmm5, %xmm0
|
|
; SSE2-NEXT: retq
|
|
;
|
|
; SSE41-LABEL: shrunkblend_2uses:
|
|
; SSE41: # %bb.0:
|
|
; SSE41-NEXT: psllq $63, %xmm0
|
|
; SSE41-NEXT: blendvpd %xmm0, %xmm1, %xmm2
|
|
; SSE41-NEXT: blendvpd %xmm0, %xmm3, %xmm4
|
|
; SSE41-NEXT: paddq %xmm2, %xmm4
|
|
; SSE41-NEXT: movdqa %xmm4, %xmm0
|
|
; SSE41-NEXT: retq
|
|
;
|
|
; AVX-LABEL: shrunkblend_2uses:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vpsllq $63, %xmm0, %xmm0
|
|
; AVX-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm1
|
|
; AVX-NEXT: vblendvpd %xmm0, %xmm3, %xmm4, %xmm0
|
|
; AVX-NEXT: vpaddq %xmm0, %xmm1, %xmm0
|
|
; AVX-NEXT: retq
|
|
%x = select <2 x i1> %cond, <2 x i64> %a, <2 x i64> %b
|
|
%y = select <2 x i1> %cond, <2 x i64> %c, <2 x i64> %d
|
|
%z = add <2 x i64> %x, %y
|
|
ret <2 x i64> %z
|
|
}
|
|
|
|
; Similar to above, but condition has a use that isn't a condition of a vselect so we can't optimize.
|
|
define <2 x i64> @shrunkblend_nonvselectuse(<2 x i1> %cond, <2 x i64> %a, <2 x i64> %b, <2 x i64> %c, <2 x i64> %d) {
|
|
; SSE2-LABEL: shrunkblend_nonvselectuse:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: psllq $63, %xmm0
|
|
; SSE2-NEXT: psrad $31, %xmm0
|
|
; SSE2-NEXT: pshufd {{.*#+}} xmm3 = xmm0[1,1,3,3]
|
|
; SSE2-NEXT: movdqa %xmm3, %xmm0
|
|
; SSE2-NEXT: pandn %xmm2, %xmm0
|
|
; SSE2-NEXT: pand %xmm3, %xmm1
|
|
; SSE2-NEXT: por %xmm1, %xmm0
|
|
; SSE2-NEXT: paddq %xmm3, %xmm0
|
|
; SSE2-NEXT: retq
|
|
;
|
|
; SSE41-LABEL: shrunkblend_nonvselectuse:
|
|
; SSE41: # %bb.0:
|
|
; SSE41-NEXT: psllq $63, %xmm0
|
|
; SSE41-NEXT: psrad $31, %xmm0
|
|
; SSE41-NEXT: blendvpd %xmm0, %xmm1, %xmm2
|
|
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
|
|
; SSE41-NEXT: paddq %xmm2, %xmm0
|
|
; SSE41-NEXT: retq
|
|
;
|
|
; AVX-LABEL: shrunkblend_nonvselectuse:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vpsllq $63, %xmm0, %xmm0
|
|
; AVX-NEXT: vblendvpd %xmm0, %xmm1, %xmm2, %xmm1
|
|
; AVX-NEXT: vxorpd %xmm2, %xmm2, %xmm2
|
|
; AVX-NEXT: vpcmpgtq %xmm0, %xmm2, %xmm0
|
|
; AVX-NEXT: vpaddq %xmm0, %xmm1, %xmm0
|
|
; AVX-NEXT: retq
|
|
%x = select <2 x i1> %cond, <2 x i64> %a, <2 x i64> %b
|
|
%y = sext <2 x i1> %cond to <2 x i64>
|
|
%z = add <2 x i64> %x, %y
|
|
ret <2 x i64> %z
|
|
}
|
|
|
|
; This turns into a SHRUNKBLEND with SSE4 or later, and via
|
|
; late shuffle magic, both sides of the blend are the same
|
|
; value. If that is not simplified before isel, it can fail
|
|
; to match (crash).
|
|
|
|
define <2 x i32> @simplify_select(i32 %x, <2 x i1> %z) {
|
|
; SSE2-LABEL: simplify_select:
|
|
; SSE2: # %bb.0:
|
|
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
|
|
; SSE2-NEXT: pslld $31, %xmm0
|
|
; SSE2-NEXT: psrad $31, %xmm0
|
|
; SSE2-NEXT: movd %edi, %xmm1
|
|
; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm1[1,0,1,1]
|
|
; SSE2-NEXT: por %xmm1, %xmm2
|
|
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,1],xmm2[1,3]
|
|
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm2[1,1]
|
|
; SSE2-NEXT: pand %xmm0, %xmm2
|
|
; SSE2-NEXT: pandn %xmm1, %xmm0
|
|
; SSE2-NEXT: por %xmm2, %xmm0
|
|
; SSE2-NEXT: retq
|
|
;
|
|
; SSE41-LABEL: simplify_select:
|
|
; SSE41: # %bb.0:
|
|
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
|
|
; SSE41-NEXT: pslld $31, %xmm0
|
|
; SSE41-NEXT: movd %edi, %xmm1
|
|
; SSE41-NEXT: pshufd {{.*#+}} xmm2 = xmm1[1,0,1,1]
|
|
; SSE41-NEXT: por %xmm1, %xmm2
|
|
; SSE41-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,1,1]
|
|
; SSE41-NEXT: pinsrd $1, %edi, %xmm1
|
|
; SSE41-NEXT: blendvps %xmm0, %xmm2, %xmm1
|
|
; SSE41-NEXT: movaps %xmm1, %xmm0
|
|
; SSE41-NEXT: retq
|
|
;
|
|
; AVX-LABEL: simplify_select:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
|
|
; AVX-NEXT: vpslld $31, %xmm0, %xmm0
|
|
; AVX-NEXT: vmovd %edi, %xmm1
|
|
; AVX-NEXT: vpshufd {{.*#+}} xmm2 = xmm1[1,0,1,1]
|
|
; AVX-NEXT: vpor %xmm1, %xmm2, %xmm1
|
|
; AVX-NEXT: vpshufd {{.*#+}} xmm2 = xmm1[1,1,1,1]
|
|
; AVX-NEXT: vpinsrd $1, %edi, %xmm2, %xmm2
|
|
; AVX-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0
|
|
; AVX-NEXT: retq
|
|
%a = insertelement <2 x i32> <i32 0, i32 undef>, i32 %x, i32 1
|
|
%b = insertelement <2 x i32> <i32 undef, i32 0>, i32 %x, i32 0
|
|
%y = or <2 x i32> %a, %b
|
|
%p16 = extractelement <2 x i32> %y, i32 1
|
|
%p17 = insertelement <2 x i32> undef, i32 %p16, i32 0
|
|
%p18 = insertelement <2 x i32> %p17, i32 %x, i32 1
|
|
%r = select <2 x i1> %z, <2 x i32> %y, <2 x i32> %p18
|
|
ret <2 x i32> %r
|
|
}
|
|
|
|
; Test to make sure we don't try to insert a new setcc to swap the operands
|
|
; of select with all zeros LHS if the setcc has additional users.
|
|
define void @vselect_allzeros_LHS_multiple_use_setcc(<4 x i32> %x, <4 x i32> %y, <4 x i32> %z, <4 x i32>* %p1, <4 x i32>* %p2) {
|
|
; SSE-LABEL: vselect_allzeros_LHS_multiple_use_setcc:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: movdqa {{.*#+}} xmm3 = [1,2,4,8]
|
|
; SSE-NEXT: pand %xmm3, %xmm0
|
|
; SSE-NEXT: pcmpeqd %xmm3, %xmm0
|
|
; SSE-NEXT: movdqa %xmm0, %xmm3
|
|
; SSE-NEXT: pandn %xmm1, %xmm3
|
|
; SSE-NEXT: pand %xmm2, %xmm0
|
|
; SSE-NEXT: movdqa %xmm3, (%rdi)
|
|
; SSE-NEXT: movdqa %xmm0, (%rsi)
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: vselect_allzeros_LHS_multiple_use_setcc:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vmovdqa {{.*#+}} xmm3 = [1,2,4,8]
|
|
; AVX-NEXT: vpand %xmm3, %xmm0, %xmm0
|
|
; AVX-NEXT: vpcmpeqd %xmm3, %xmm0, %xmm0
|
|
; AVX-NEXT: vpandn %xmm1, %xmm0, %xmm1
|
|
; AVX-NEXT: vpand %xmm2, %xmm0, %xmm0
|
|
; AVX-NEXT: vmovdqa %xmm1, (%rdi)
|
|
; AVX-NEXT: vmovdqa %xmm0, (%rsi)
|
|
; AVX-NEXT: retq
|
|
%and = and <4 x i32> %x, <i32 1, i32 2, i32 4, i32 8>
|
|
%cond = icmp ne <4 x i32> %and, zeroinitializer
|
|
%sel1 = select <4 x i1> %cond, <4 x i32> zeroinitializer, <4 x i32> %y
|
|
%sel2 = select <4 x i1> %cond, <4 x i32> %z, <4 x i32> zeroinitializer
|
|
store <4 x i32> %sel1, <4 x i32>* %p1
|
|
store <4 x i32> %sel2, <4 x i32>* %p2
|
|
ret void
|
|
}
|
|
|
|
; This test case previously crashed after r363802, r363850, and r363856 due
|
|
; any_extend_vector_inreg not being handled by the X86 backend.
|
|
define i64 @vselect_any_extend_vector_inreg_crash(<8 x i8>* %x) {
|
|
; SSE-LABEL: vselect_any_extend_vector_inreg_crash:
|
|
; SSE: # %bb.0:
|
|
; SSE-NEXT: movq {{.*#+}} xmm0 = mem[0],zero
|
|
; SSE-NEXT: pcmpeqb {{.*}}(%rip), %xmm0
|
|
; SSE-NEXT: movq %xmm0, %rax
|
|
; SSE-NEXT: andl $1, %eax
|
|
; SSE-NEXT: shlq $15, %rax
|
|
; SSE-NEXT: retq
|
|
;
|
|
; AVX-LABEL: vselect_any_extend_vector_inreg_crash:
|
|
; AVX: # %bb.0:
|
|
; AVX-NEXT: vmovq {{.*#+}} xmm0 = mem[0],zero
|
|
; AVX-NEXT: vpcmpeqb {{.*}}(%rip), %xmm0, %xmm0
|
|
; AVX-NEXT: vmovq %xmm0, %rax
|
|
; AVX-NEXT: andl $1, %eax
|
|
; AVX-NEXT: shlq $15, %rax
|
|
; AVX-NEXT: retq
|
|
0:
|
|
%1 = load <8 x i8>, <8 x i8>* %x
|
|
%2 = icmp eq <8 x i8> %1, <i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49, i8 49>
|
|
%3 = select <8 x i1> %2, <8 x i64> <i64 32768, i64 16384, i64 8192, i64 4096, i64 2048, i64 1024, i64 512, i64 256>, <8 x i64> zeroinitializer
|
|
%4 = extractelement <8 x i64> %3, i32 0
|
|
ret i64 %4
|
|
}
|
|
|