llvm-mirror/2010-06-28-DAGCombineUndef.ll at ffbae6ad520a8a7c3ed332cc72fc35ae47b4180d - llvm-mirror - Git.je (Gitea)

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Bob Wilson 5ae34cf120 Unlike other targets, ARM now uses BUILD_VECTORs post-legalization so they

can't be changed arbitrarily by the DAGCombiner without checking if it is
running after legalization.

llvm-svn: 107097

2010-06-28 23:40:25 +00:00

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 ; RUN: llc < %s -march=arm -mattr=+neon
 define void @main() nounwind {
 entry:
   store <2 x i64> undef, <2 x i64>* undef, align 16
   %0 = load <16 x i8>* undef, align 16            ; <<16 x i8>> [#uses=1]
   %1 = or <16 x i8> zeroinitializer, %0           ; <<16 x i8>> [#uses=1]
   store <16 x i8> %1, <16 x i8>* undef, align 16
   ret void
 }