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llvm-mirror/test/CodeGen/X86/2006-10-07-ScalarSSEMiscompile.ll
Chris Lattner e4b5559cf8 change the scope node to include a list of children to be checked
instead of to have a chained series of scope nodes.  This makes
the generated table smaller, improves the efficiency of the
interpreter, and make the factoring optimization much more 
reasonable to implement.

llvm-svn: 97160
2010-02-25 19:00:39 +00:00

16 lines
608 B
LLVM

; RUN: llc < %s -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 datalayout = "e-p:32:32"
target triple = "i686-apple-darwin8.7.2"
define <4 x float> @test(<4 x float> %A, <4 x float>* %B) nounwind {
%BV = load <4 x float>* %B ; <<4 x float>> [#uses=1]
%tmp28 = tail call <4 x float> @llvm.x86.sse.sub.ss( <4 x float> %A, <4 x float> %BV ) ; <<4 x float>> [#uses=1]
ret <4 x float> %tmp28
}
declare <4 x float> @llvm.x86.sse.sub.ss(<4 x float>, <4 x float>)