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Preserve <undef> flags in ARMExpandPseudo.

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This probably mostly shows up in bugpoint-generated code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158527 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2012-06-15 17:46:54 +00:00
parent 324143d888
commit d628a587b6
2 changed files with 14 additions and 5 deletions
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8
test/CodeGen/ARM/2012-01-24-RegSequenceLiveRange.ll
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@@ -60,8 +60,16 @@ for.end: ; preds = %entry
ret void
}
; Check that pseudo-expansion preserves <undef> flags.
define void @foo3(i8* %p) nounwind ssp {
entry:
tail call void @llvm.arm.neon.vst2.v4f32(i8* %p, <4 x float> undef, <4 x float> undef, i32 4)
ret void
}
declare arm_aapcs_vfpcc void @bar(i8*, float, float, float)
declare void @llvm.arm.neon.vst1.v4f32(i8*, <4 x float>, i32) nounwind
declare void @llvm.arm.neon.vst2.v4f32(i8*, <4 x float>, <4 x float>, i32) nounwind
!0 = metadata !{metadata !"omnipotent char", metadata !1}
!1 = metadata !{metadata !"Simple C/C++ TBAA", null}