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PR20557: Fix the bug that bogus cpu parameter crashes llc on AArch64 backend.

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Initial patch by Oleg Ranevskyy.

llvm-svn: 220945
This commit is contained in:
Hao Liu
2014-10-31 02:35:34 +00:00
parent 6256a0ea8f
commit e02b1a068f
2 changed files with 13 additions and 1 deletions
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6
llvm/lib/CodeGen/TargetLoweringBase.cpp
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@@ -1200,8 +1200,12 @@ void TargetLoweringBase::computeRegisterProperties() {
TransformToType[i] = MVT::Other;
if (PreferredAction == TypeScalarizeVector)
ValueTypeActions.setTypeAction(VT, TypeScalarizeVector);
else
else if (PreferredAction == TypeSplitVector)
ValueTypeActions.setTypeAction(VT, TypeSplitVector);
else
// Set type action according to the number of elements.
ValueTypeActions.setTypeAction(VT, NElts == 1 ? TypeScalarizeVector
: TypeSplitVector);
} else {
TransformToType[i] = NVT;
ValueTypeActions.setTypeAction(VT, TypeWidenVector);