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CodeGen: Default overflow operations to expand so we don't have to assume targets are lying

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Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: ab
Differential Revision: http://reviews.llvm.org/D9265

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236119 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jan Vesely
2015-04-29 16:30:46 +00:00
parent 3cf9e970d3
commit 42eeb1d91f
2 changed files with 8 additions and 6 deletions
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8
lib/CodeGen/TargetLoweringBase.cpp
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@@ -804,6 +804,14 @@ void TargetLoweringBase::initActions() {
setOperationAction(ISD::FMAXNUM, VT, Expand);
setOperationAction(ISD::FMAD, VT, Expand);
// Overflow operations default to expand
setOperationAction(ISD::SADDO, VT, Expand);
setOperationAction(ISD::SSUBO, VT, Expand);
setOperationAction(ISD::UADDO, VT, Expand);
setOperationAction(ISD::USUBO, VT, Expand);
setOperationAction(ISD::SMULO, VT, Expand);
setOperationAction(ISD::UMULO, VT, Expand);
// These library functions default to expand.
setOperationAction(ISD::FROUND, VT, Expand);