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Switch mem2reg to use the new hashing infrastructure.

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llvm-svn: 152026
This commit is contained in:
Chandler Carruth 2012-03-05 11:29:56 +00:00
parent 517e7a4d9e
commit 533fb74c5d
1 changed files with 3 additions and 1 deletions
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4
lib/Transforms/Utils/PromoteMemoryToRegister.cpp
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@ -41,6 +41,7 @@
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/Transforms/Utils/Local.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Hashing.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
@ -66,7 +67,8 @@ struct DenseMapInfo<std::pair<BasicBlock*, unsigned> > {
return EltTy(reinterpret_cast<BasicBlock*>(-2), 0U);
}
static unsigned getHashValue(const std::pair<BasicBlock*, unsigned> &Val) {
return DenseMapInfo<void*>::getHashValue(Val.first) + Val.second*2;
using llvm::hash_value;
return static_cast<unsigned>(hash_value(Val));
}
static bool isEqual(const EltTy &LHS, const EltTy &RHS) {
return LHS == RHS;