forked from OSchip/llvm-project
35 lines
1.7 KiB
LLVM
35 lines
1.7 KiB
LLVM
; RUN: llc < %s -mtriple=arm-eabi -mattr=+neon -mcpu=cortex-a9
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; PR4986
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define arm_aapcs_vfpcc void @foo(i8* nocapture %pBuffer, i32 %numItems) nounwind {
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entry:
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br i1 undef, label %return, label %bb.preheader
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bb.preheader: ; preds = %entry
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br label %bb
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bb: ; preds = %bb, %bb.preheader
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%0 = shufflevector <4 x float> zeroinitializer, <4 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
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%1 = insertelement <4 x float> %0, float undef, i32 1 ; <<4 x float>> [#uses=1]
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%2 = insertelement <4 x float> %1, float undef, i32 2 ; <<4 x float>> [#uses=1]
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%3 = insertelement <4 x float> %2, float undef, i32 3 ; <<4 x float>> [#uses=1]
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%4 = fmul <4 x float> undef, %3 ; <<4 x float>> [#uses=1]
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%5 = extractelement <4 x float> %4, i32 3 ; <float> [#uses=1]
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store float %5, float* undef, align 4
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br i1 undef, label %return, label %bb
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return: ; preds = %bb, %entry
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ret void
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}
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define arm_aapcs_vfpcc <4 x float> @bar(i8* nocapture %pBuffer, i32 %numItems) nounwind {
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%1 = shufflevector <4 x float> zeroinitializer, <4 x float> undef, <4 x i32> zeroinitializer ; <<4 x float>> [#uses=1]
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%2 = insertelement <4 x float> %1, float undef, i32 1 ; <<4 x float>> [#uses=1]
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%3 = insertelement <4 x float> %2, float undef, i32 2 ; <<4 x float>> [#uses=1]
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%4 = insertelement <4 x float> %3, float undef, i32 3 ; <<4 x float>> [#uses=1]
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%5 = shufflevector <4 x float> %4, <4 x float> undef, <2 x i32> <i32 0, i32 1> ; <<2 x float>> [#uses=1]
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%6 = shufflevector <2 x float> %5, <2 x float> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 1> ; <<4 x float>> [#uses=1]
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ret <4 x float> %6
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}
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