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8cf5de5774
This is the initial checkin of the basic-block autovectorization pass along with some supporting vectorization infrastructure. Special thanks to everyone who helped review this code over the last several months (especially Tobias Grosser). llvm-svn: 149468
153 lines
7.4 KiB
LLVM
153 lines
7.4 KiB
LLVM
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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; RUN: opt < %s -bb-vectorize -bb-vectorize-req-chain-depth=3 -instcombine -gvn -S | FileCheck %s
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; Basic depth-3 chain
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define double @test1(double %A1, double %A2, double %B1, double %B2) {
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; CHECK: @test1
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; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
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; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
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; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
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; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
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%X1 = fsub double %A1, %B1
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%X2 = fsub double %A2, %B2
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; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
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%Y1 = fmul double %X1, %A1
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%Y2 = fmul double %X2, %A2
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; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
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%Z1 = fadd double %Y1, %B1
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%Z2 = fadd double %Y2, %B2
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; CHECK: %Z1 = fadd <2 x double> %Y1, %X1.v.i1.2
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%R = fmul double %Z1, %Z2
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; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
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; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
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; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
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ret double %R
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; CHECK: ret double %R
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}
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; Basic depth-3 chain (last pair permuted)
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define double @test2(double %A1, double %A2, double %B1, double %B2) {
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; CHECK: @test2
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; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
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; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
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; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
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; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
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%X1 = fsub double %A1, %B1
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%X2 = fsub double %A2, %B2
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; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
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%Y1 = fmul double %X1, %A1
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%Y2 = fmul double %X2, %A2
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; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
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%Z1 = fadd double %Y2, %B1
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%Z2 = fadd double %Y1, %B2
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; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> <i32 1, i32 0>
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; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
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%R = fmul double %Z1, %Z2
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; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
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; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
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; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
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ret double %R
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; CHECK: ret double %R
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}
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; Basic depth-3 chain (last pair first splat)
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define double @test3(double %A1, double %A2, double %B1, double %B2) {
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; CHECK: @test3
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; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
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; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
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; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
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; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
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%X1 = fsub double %A1, %B1
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%X2 = fsub double %A2, %B2
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; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
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%Y1 = fmul double %X1, %A1
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%Y2 = fmul double %X2, %A2
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; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
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%Z1 = fadd double %Y2, %B1
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%Z2 = fadd double %Y2, %B2
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; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> <i32 1, i32 1>
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; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
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%R = fmul double %Z1, %Z2
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; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
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; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
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; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
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ret double %R
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; CHECK: ret double %R
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}
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; Basic depth-3 chain (last pair second splat)
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define double @test4(double %A1, double %A2, double %B1, double %B2) {
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; CHECK: @test4
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; CHECK: %X1.v.i1.1 = insertelement <2 x double> undef, double %B1, i32 0
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; CHECK: %X1.v.i0.1 = insertelement <2 x double> undef, double %A1, i32 0
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; CHECK: %X1.v.i1.2 = insertelement <2 x double> %X1.v.i1.1, double %B2, i32 1
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; CHECK: %X1.v.i0.2 = insertelement <2 x double> %X1.v.i0.1, double %A2, i32 1
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%X1 = fsub double %A1, %B1
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%X2 = fsub double %A2, %B2
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; CHECK: %X1 = fsub <2 x double> %X1.v.i0.2, %X1.v.i1.2
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%Y1 = fmul double %X1, %A1
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%Y2 = fmul double %X2, %A2
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; CHECK: %Y1 = fmul <2 x double> %X1, %X1.v.i0.2
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%Z1 = fadd double %Y1, %B1
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%Z2 = fadd double %Y1, %B2
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; CHECK: %Z1.v.i0 = shufflevector <2 x double> %Y1, <2 x double> undef, <2 x i32> zeroinitializer
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; CHECK: %Z1 = fadd <2 x double> %Z1.v.i0, %X1.v.i1.2
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%R = fmul double %Z1, %Z2
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; CHECK: %Z1.v.r1 = extractelement <2 x double> %Z1, i32 0
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; CHECK: %Z1.v.r2 = extractelement <2 x double> %Z1, i32 1
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; CHECK: %R = fmul double %Z1.v.r1, %Z1.v.r2
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ret double %R
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; CHECK: ret double %R
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}
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; Basic depth-3 chain
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define <2 x float> @test5(<2 x float> %A1, <2 x float> %A2, <2 x float> %B1, <2 x float> %B2) {
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; CHECK: @test5
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; CHECK: %X1.v.i1 = shufflevector <2 x float> %B1, <2 x float> %B2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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; CHECK: %X1.v.i0 = shufflevector <2 x float> %A1, <2 x float> %A2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
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%X1 = fsub <2 x float> %A1, %B1
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%X2 = fsub <2 x float> %A2, %B2
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; CHECK: %X1 = fsub <4 x float> %X1.v.i0, %X1.v.i1
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%Y1 = fmul <2 x float> %X1, %A1
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%Y2 = fmul <2 x float> %X2, %A2
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; CHECK: %Y1 = fmul <4 x float> %X1, %X1.v.i0
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%Z1 = fadd <2 x float> %Y1, %B1
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%Z2 = fadd <2 x float> %Y2, %B2
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; CHECK: %Z1 = fadd <4 x float> %Y1, %X1.v.i1
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%R = fmul <2 x float> %Z1, %Z2
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; CHECK: %Z1.v.r1 = shufflevector <4 x float> %Z1, <4 x float> undef, <2 x i32> <i32 0, i32 1>
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; CHECK: %Z1.v.r2 = shufflevector <4 x float> %Z1, <4 x float> undef, <2 x i32> <i32 2, i32 3>
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; CHECK: %R = fmul <2 x float> %Z1.v.r1, %Z1.v.r2
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ret <2 x float> %R
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; CHECK: ret <2 x float> %R
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}
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; Basic chain with shuffles
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define <8 x i8> @test6(<8 x i8> %A1, <8 x i8> %A2, <8 x i8> %B1, <8 x i8> %B2) {
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; CHECK: @test6
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; CHECK: %X1.v.i1 = shufflevector <8 x i8> %B1, <8 x i8> %B2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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; CHECK: %X1.v.i0 = shufflevector <8 x i8> %A1, <8 x i8> %A2, <16 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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%X1 = sub <8 x i8> %A1, %B1
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%X2 = sub <8 x i8> %A2, %B2
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; CHECK: %X1 = sub <16 x i8> %X1.v.i0, %X1.v.i1
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%Y1 = mul <8 x i8> %X1, %A1
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%Y2 = mul <8 x i8> %X2, %A2
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; CHECK: %Y1 = mul <16 x i8> %X1, %X1.v.i0
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%Z1 = add <8 x i8> %Y1, %B1
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%Z2 = add <8 x i8> %Y2, %B2
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; CHECK: %Z1 = add <16 x i8> %Y1, %X1.v.i1
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%Q1 = shufflevector <8 x i8> %Z1, <8 x i8> %Z2, <8 x i32> <i32 15, i32 8, i32 6, i32 1, i32 13, i32 10, i32 4, i32 3>
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%Q2 = shufflevector <8 x i8> %Z2, <8 x i8> %Z2, <8 x i32> <i32 6, i32 7, i32 0, i32 1, i32 2, i32 4, i32 4, i32 1>
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; CHECK: %Z1.v.r2 = shufflevector <16 x i8> %Z1, <16 x i8> undef, <8 x i32> <i32 8, i32 undef, i32 10, i32 undef, i32 undef, i32 13, i32 undef, i32 15>
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; CHECK: %Q1.v.i1 = shufflevector <8 x i8> %Z1.v.r2, <8 x i8> undef, <16 x i32> <i32 0, i32 undef, i32 2, i32 undef, i32 undef, i32 5, i32 undef, i32 7, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef, i32 undef>
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; CHECK: %Q1 = shufflevector <16 x i8> %Z1, <16 x i8> %Q1.v.i1, <16 x i32> <i32 23, i32 16, i32 6, i32 1, i32 21, i32 18, i32 4, i32 3, i32 14, i32 15, i32 8, i32 9, i32 10, i32 12, i32 12, i32 9>
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%R = mul <8 x i8> %Q1, %Q2
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; CHECK: %Q1.v.r1 = shufflevector <16 x i8> %Q1, <16 x i8> undef, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
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; CHECK: %Q1.v.r2 = shufflevector <16 x i8> %Q1, <16 x i8> undef, <8 x i32> <i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
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; CHECK: %R = mul <8 x i8> %Q1.v.r1, %Q1.v.r2
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ret <8 x i8> %R
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; CHECK: ret <8 x i8> %R
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}
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