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improve compatibility with cygwin, patch by Jay Foad!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62535 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-01-19 22:00:18 +00:00
parent c9a005807a
commit 2f39b29170
2 changed files with 17 additions and 6 deletions
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21
include/llvm/ADT/DenseMap.h
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@@ -44,12 +44,23 @@ struct DenseMapInfo<T*> {
}; };
// Provide DenseMapInfo for unsigned ints. // Provide DenseMapInfo for unsigned ints.
template<> struct DenseMapInfo<uint32_t> { template<> struct DenseMapInfo<unsigned> {
static inline uint32_t getEmptyKey() { return ~0; } static inline unsigned getEmptyKey() { return ~0; }
static inline uint32_t getTombstoneKey() { return ~0 - 1; } static inline unsigned getTombstoneKey() { return ~0 - 1; }
static unsigned getHashValue(const uint32_t& Val) { return Val * 37; } static unsigned getHashValue(const unsigned& Val) { return Val * 37; }
static bool isPod() { return true; } static bool isPod() { return true; }
static bool isEqual(const uint32_t& LHS, const uint32_t& RHS) { static bool isEqual(const unsigned& LHS, const unsigned& RHS) {
return LHS == RHS;
}
};
// Provide DenseMapInfo for unsigned longs.
template<> struct DenseMapInfo<unsigned long> {
static inline unsigned long getEmptyKey() { return ~0L; }
static inline unsigned long getTombstoneKey() { return ~0L - 1L; }
static unsigned getHashValue(const unsigned long& Val) { return Val * 37L; }
static bool isPod() { return true; }
static bool isEqual(const unsigned long& LHS, const unsigned long& RHS) {
return LHS == RHS; return LHS == RHS;
} }
}; };

2
lib/Transforms/Scalar/GVN.cpp
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@@ -1251,7 +1251,7 @@ Value* GVN::AttemptRedundancyElimination(Instruction* orig, unsigned valno) {
DenseMap<BasicBlock*, ValueNumberScope*>::iterator LA = DenseMap<BasicBlock*, ValueNumberScope*>::iterator LA =
localAvail.find(Current); localAvail.find(Current);
if (LA == localAvail.end()) return 0; if (LA == localAvail.end()) return 0;
DenseMap<unsigned, Value*>::iterator V = LA->second->table.find(valno); DenseMap<uint32_t, Value*>::iterator V = LA->second->table.find(valno);
if (V != LA->second->table.end()) { if (V != LA->second->table.end()) {
// Found an instance, record it. // Found an instance, record it.