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https://github.com/c64scene-ar/llvm-6502.git
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daada81e5c
PR20677 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@216175 91177308-0d34-0410-b5e6-96231b3b80d8
288 lines
8.3 KiB
LLVM
288 lines
8.3 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-unknown -mcpu=corei7 -mattr=-sse4.1 < %s | FileCheck %s
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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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%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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; CHECK-LABEL: test1
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <4 x float> @test2(<4 x float> %a, <4 x float> %b) {
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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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; CHECK-LABEL: test2
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <4 x float> @test3(<4 x float> %a, <4 x float> %b) {
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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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; CHECK-LABEL: test3
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <4 x float> @test4(<4 x float> %a, <4 x float> %b) {
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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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; CHECK-LABEL: test4
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: movaps %xmm1, %xmm0
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; CHECK: ret
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define <4 x float> @test5(<4 x float> %a, <4 x float> %b) {
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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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; CHECK-LABEL: test5
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <8 x i16> @test6(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test6
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <8 x i16> @test7(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test7
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <8 x i16> @test8(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test8
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <8 x i16> @test9(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test9
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: movaps %xmm1, %xmm0
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; CHECK-NEXT: ret
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define <8 x i16> @test10(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test10
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <8 x i16> @test11(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test11
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <8 x i16> @test12(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test12
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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define <8 x i16> @test13(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test13
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK: ret
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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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%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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; CHECK-LABEL: test14
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: pcmpeq
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; CHECK: ret
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define <8 x i16> @test15(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test15
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: pcmpeq
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; CHECK: ret
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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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%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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; CHECK-LABEL: test16
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: ret
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define <8 x i16> @test17(<8 x i16> %a, <8 x i16> %b) {
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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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; CHECK-LABEL: test17
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: ret
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define <4 x float> @test18(<4 x float> %a, <4 x float> %b) {
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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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; CHECK-LABEL: test18
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movss
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; CHECK: ret
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define <4 x i32> @test19(<4 x i32> %a, <4 x i32> %b) {
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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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; CHECK-LABEL: test19
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movss
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; CHECK: ret
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define <2 x double> @test20(<2 x double> %a, <2 x double> %b) {
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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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; CHECK-LABEL: test20
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movsd
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; CHECK: ret
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define <2 x i64> @test21(<2 x i64> %a, <2 x i64> %b) {
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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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; CHECK-LABEL: test21
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movsd
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; CHECK: ret
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define <4 x float> @test22(<4 x float> %a, <4 x float> %b) {
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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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; CHECK-LABEL: test22
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movss
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; CHECK: ret
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define <4 x i32> @test23(<4 x i32> %a, <4 x i32> %b) {
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%1 = select <4 x i1> <i1 true, i1 false, i1 false, i1 false>, <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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; CHECK-LABEL: test23
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movss
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; CHECK: ret
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define <2 x double> @test24(<2 x double> %a, <2 x double> %b) {
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%1 = select <2 x i1> <i1 true, i1 false>, <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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; CHECK-LABEL: test24
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movsd
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; CHECK: ret
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define <2 x i64> @test25(<2 x i64> %a, <2 x i64> %b) {
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%1 = select <2 x i1> <i1 true, i1 false>, <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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; CHECK-LABEL: test25
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; CHECK-NOT: psllw
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; CHECK-NOT: psraw
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; CHECK-NOT: xorps
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; CHECK: movsd
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; CHECK: ret
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define <4 x float> @select_of_shuffles_0(<2 x float> %a0, <2 x float> %b0, <2 x float> %a1, <2 x float> %b1) {
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; CHECK-LABEL: select_of_shuffles_0
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; CHECK-DAG: movlhps %xmm2, [[REGA:%xmm[0-9]+]]
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; CHECK-DAG: movlhps %xmm3, [[REGB:%xmm[0-9]+]]
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; CHECK: subps [[REGB]], [[REGA]]
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%1 = shufflevector <2 x float> %a0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
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%2 = shufflevector <2 x float> %a1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
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%3 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %2, <4 x float> %1
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%4 = shufflevector <2 x float> %b0, <2 x float> undef, <4 x i32> <i32 0, i32 1, i32 undef, i32 undef>
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%5 = shufflevector <2 x float> %b1, <2 x float> undef, <4 x i32> <i32 undef, i32 undef, i32 0, i32 1>
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%6 = select <4 x i1> <i1 false, i1 false, i1 true, i1 true>, <4 x float> %5, <4 x float> %4
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%7 = fsub <4 x float> %3, %6
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ret <4 x float> %7
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}
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; CHECK-LABEL: @select_illegal
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; CHECK: mov
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; CHECK: ret
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; PR20677
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define <16 x double> @select_illegal(<16 x double> %a, <16 x double> %b) {
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%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
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ret <16 x double> %sel
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}
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