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Remove a DenseMapInfo specialization for std::pair -- we have one of

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those baked into DenseMap now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186773 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth 2013-07-20 23:09:05 +00:00
parent 02aea0116a
commit fa873afbdf
1 changed files with 0 additions and 20 deletions
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20
lib/Transforms/Utils/PromoteMemoryToRegister.cpp
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@ -56,26 +56,6 @@ STATISTIC(NumSingleStore, "Number of alloca's promoted with a single store");
STATISTIC(NumDeadAlloca, "Number of dead alloca's removed"); STATISTIC(NumDeadAlloca, "Number of dead alloca's removed");
STATISTIC(NumPHIInsert, "Number of PHI nodes inserted"); STATISTIC(NumPHIInsert, "Number of PHI nodes inserted");
namespace llvm {
template<>
struct DenseMapInfo<std::pair<BasicBlock*, unsigned> > {
typedef std::pair<BasicBlock*, unsigned> EltTy;
static inline EltTy getEmptyKey() {
return EltTy(reinterpret_cast<BasicBlock*>(-1), ~0U);
}
static inline EltTy getTombstoneKey() {
return EltTy(reinterpret_cast<BasicBlock*>(-2), 0U);
}
static unsigned getHashValue(const std::pair<BasicBlock*, unsigned> &Val) {
using llvm::hash_value;
return static_cast<unsigned>(hash_value(Val));
}
static bool isEqual(const EltTy &LHS, const EltTy &RHS) {
return LHS == RHS;
}
};
}
bool llvm::isAllocaPromotable(const AllocaInst *AI) { bool llvm::isAllocaPromotable(const AllocaInst *AI) {
// FIXME: If the memory unit is of pointer or integer type, we can permit // FIXME: If the memory unit is of pointer or integer type, we can permit
// assignments to subsections of the memory unit. // assignments to subsections of the memory unit.