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Make sure to replace the chain properly when DAGCombining a LOAD+EXTRACT_VECTOR_ELT into a single LOAD. Fixes PR10747/PR11393.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144863 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eli Friedman
2011-11-16 23:50:22 +00:00
parent 11ba26db13
commit 4db4addcd4
2 changed files with 18 additions and 5 deletions
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2
test/CodeGen/X86/vec_extract-sse4.ll
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@@ -2,7 +2,7 @@
; RUN: not grep extractps %t
; RUN: not grep pextrd %t
; RUN: not grep pshufd %t
; RUN: grep movss %t | count 2
; RUN: not grep movss %t
define void @t1(float* %R, <4 x float>* %P1) nounwind {
%X = load <4 x float>* %P1