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[TableGen] Replace a dyn_cast with isa to avoid an unused variable warning introduced in r355785. NFC

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llvm-svn: 355837
This commit is contained in:
Craig Topper 2019-03-11 16:51:37 +00:00
parent c17ae456cc
commit b9b16d334d
1 changed files with 2 additions and 6 deletions
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8
utils/TableGen/DAGISelMatcher.cpp
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@ -414,14 +414,10 @@ bool CheckValueTypeMatcher::isContradictoryImpl(const Matcher *M) const {
bool CheckImmAllOnesVMatcher::isContradictoryImpl(const Matcher *M) const {
// AllZeros is contradictory.
if (const auto *CIAZVM = dyn_cast<CheckImmAllZerosVMatcher>(M))
return true;
return false;
return isa<CheckImmAllZerosVMatcher>(M);
}
bool CheckImmAllZerosVMatcher::isContradictoryImpl(const Matcher *M) const {
// AllOnes is contradictory.
if (const auto *CIAOVM = dyn_cast<CheckImmAllOnesVMatcher>(M))
return true;
return false;
return isa<CheckImmAllOnesVMatcher>(M);
}