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consolidate DenseMapInfo implementations, and add one for std::pair.

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Patch contributed by m-s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55167 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-08-22 05:08:25 +00:00
parent 5f0cfa299d
commit 2dba6a1bdb
4 changed files with 42 additions and 38 deletions
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12
lib/CodeGen/RegAllocLocal.cpp
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@ -561,18 +561,6 @@ static bool precedes(MachineBasicBlock::iterator A,
return false;
}
namespace llvm {
template<> struct DenseMapInfo<uint32_t> {
static inline uint32_t getEmptyKey() { return ~0; }
static inline uint32_t getTombstoneKey() { return ~0 - 1; }
static unsigned getHashValue(const uint32_t& Val) { return Val * 37; }
static bool isPod() { return true; }
static bool isEqual(const uint32_t& LHS, const uint32_t& RHS) {
return LHS == RHS;
}
};
}
/// ComputeLocalLiveness - Computes liveness of registers within a basic
/// block, setting the killed/dead flags as appropriate.
void RALocal::ComputeLocalLiveness(MachineBasicBlock& MBB) {