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[TableGen] Make sure EnforceSameSize populates the type sets if necessary.

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This was found by another commit I'm working on.

llvm-svn: 295578
This commit is contained in:
Craig Topper 2017-02-18 22:53:38 +00:00
parent ac7a882516
commit 93ddfca815
1 changed files with 6 additions and 0 deletions
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6
utils/TableGen/CodeGenDAGPatterns.cpp
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@ -644,6 +644,12 @@ bool EEVT::TypeSet::EnforceSameSize(EEVT::TypeSet &VTOperand,
bool MadeChange = false;
if (isCompletelyUnknown())
MadeChange = FillWithPossibleTypes(TP);
if (VTOperand.isCompletelyUnknown())
MadeChange = VTOperand.FillWithPossibleTypes(TP);
// If we know one of the types, it forces the other type agree.
if (isConcrete()) {
MVT IVT = getConcrete();