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new testcase we miscompile

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llvm-svn: 30816
This commit is contained in:
Chris Lattner 2006-10-07 21:54:08 +00:00
parent a51aea84b8
commit 8a76c70571
1 changed files with 17 additions and 0 deletions
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test/Regression/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll Normal file
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; RUN: llvm-as < %s | llc -march=x86 -mattr=sse | grep movaps
; Test that the load is NOT folded into the intrinsic, which would zero the top
; elts of the loaded vector.
target endian = little
target pointersize = 32
target triple = "i686-apple-darwin8.7.2"
implementation ; Functions:
<4 x float> %test(<4 x float> %A, <4 x float>* %B) {
%BV = load <4 x float>* %B
%tmp28 = tail call <4 x float> %llvm.x86.sse.sub.ss( <4 x float> %A, <4 x float> %BV)
ret <4 x float> %tmp28
}
declare <4 x float> %llvm.x86.sse.sub.ss(<4 x float>, <4 x float>)