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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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14
include/llvm/CodeGen/LiveIntervalAnalysis.h
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@@ -55,20 +55,6 @@ namespace llvm {
}
};
// Provide DenseMapInfo for unsigned.
template<>
struct DenseMapInfo<unsigned> {
static inline unsigned getEmptyKey() { return (unsigned)-1; }
static inline unsigned getTombstoneKey() { return (unsigned)-2; }
static unsigned getHashValue(const unsigned Val) {
return Val * 37;
}
static bool isEqual(const unsigned LHS, const unsigned RHS) {
return LHS == RHS;
}
static bool isPod() { return true; }
};
class LiveIntervals : public MachineFunctionPass {
MachineFunction* mf_;
MachineRegisterInfo* mri_;