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Revert "Look through PHIs to find additional register sources"

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Likely broke compilation on ARM:

http://lab.llvm.org:8011/builders/clang-native-arm-lnt/builds/13054

This reverts commit 131ce4a838c081516cbfed039fc986b33e3979d6.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242310 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bruno Cardoso Lopes
2015-07-15 18:10:35 +00:00
parent 15afc3140e
commit ae1ebf6cf7
4 changed files with 83 additions and 378 deletions
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27
include/llvm/Target/TargetInstrInfo.h
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@@ -1270,33 +1270,6 @@ private:
unsigned CallFrameSetupOpcode, CallFrameDestroyOpcode;
};
/// \brief Provide DenseMapInfo for TargetInstrInfo::RegSubRegPair.
template<>
struct DenseMapInfo<TargetInstrInfo::RegSubRegPair> {
typedef DenseMapInfo<unsigned> RegInfo;
static inline TargetInstrInfo::RegSubRegPair getEmptyKey() {
return TargetInstrInfo::RegSubRegPair(RegInfo::getEmptyKey(),
RegInfo::getEmptyKey());
}
static inline TargetInstrInfo::RegSubRegPair getTombstoneKey() {
return TargetInstrInfo::RegSubRegPair(RegInfo::getTombstoneKey(),
RegInfo::getTombstoneKey());
}
/// \brief Reuse getHashValue implementation from
/// std::pair<unsigned, unsigned>.
static unsigned getHashValue(const TargetInstrInfo::RegSubRegPair &Val) {
std::pair<unsigned, unsigned> PairVal =
std::make_pair(Val.Reg, Val.SubReg);
return DenseMapInfo<std::pair<unsigned, unsigned>>::getHashValue(PairVal);
}
static bool isEqual(const TargetInstrInfo::RegSubRegPair &LHS,
const TargetInstrInfo::RegSubRegPair &RHS) {
return RegInfo::isEqual(LHS.Reg, RHS.Reg) &&
RegInfo::isEqual(LHS.SubReg, RHS.SubReg);
}
};
} // End llvm namespace
#endif