17 lines
636 B
LLVM
17 lines
636 B
LLVM
; RUN: opt < %s -instcombine -S | FileCheck %s
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define void @test(<16 x i8> %w, i32* %o1, float* %o2) {
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; CHECK: %v.bc = bitcast <16 x i8> %w to <4 x i32>
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; CHECK-NEXT: %v.extract = extractelement <4 x i32> %v.bc, i32 3
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; CHECK-NEXT: %v.bc{{[0-9]*}} = bitcast <16 x i8> %w to <4 x float>
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; CHECK-NEXT: %v.extract{{[0-9]*}} = extractelement <4 x float> %v.bc{{[0-9]*}}, i32 3
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%v = shufflevector <16 x i8> %w, <16 x i8> undef, <4 x i32> <i32 12, i32 13, i32 14, i32 15>
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%f = bitcast <4 x i8> %v to float
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%i = bitcast <4 x i8> %v to i32
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store i32 %i, i32* %o1, align 4
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store float %f, float* %o2, align 4
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ret void
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}
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