llvm/test/CodeGen/ARM/2009-09-20-LiveIntervalsBug.ll

35 lines
1.7 KiB
LLVM

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