diff options
| author | dim <dim@FreeBSD.org> | 2011-06-12 15:42:51 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-06-12 15:42:51 +0000 |
| commit | ece02cd5829cea836e9365b0845a8ef042d17b0a (patch) | |
| tree | b3032e51d630e8070e9e08d6641648f195316a80 /include/llvm/Analysis/AliasAnalysis.h | |
| parent | 2b066988909948dc3d53d01760bc2d71d32f3feb (diff) | |
| download | FreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.zip FreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.tar.gz | |
Vendor import of llvm trunk r132879:
http://llvm.org/svn/llvm-project/llvm/trunk@132879
Diffstat (limited to 'include/llvm/Analysis/AliasAnalysis.h')
| -rw-r--r-- | include/llvm/Analysis/AliasAnalysis.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/llvm/Analysis/AliasAnalysis.h b/include/llvm/Analysis/AliasAnalysis.h index 8f9708b..5d8edd1 100644 --- a/include/llvm/Analysis/AliasAnalysis.h +++ b/include/llvm/Analysis/AliasAnalysis.h @@ -38,6 +38,7 @@ #define LLVM_ANALYSIS_ALIAS_ANALYSIS_H #include "llvm/Support/CallSite.h" +#include "llvm/ADT/DenseMap.h" namespace llvm { @@ -488,6 +489,32 @@ public: } }; +// Specialize DenseMapInfo for Location. +template<> +struct DenseMapInfo<AliasAnalysis::Location> { + static inline AliasAnalysis::Location getEmptyKey() { + return + AliasAnalysis::Location(DenseMapInfo<const Value *>::getEmptyKey(), + 0, 0); + } + static inline AliasAnalysis::Location getTombstoneKey() { + return + AliasAnalysis::Location(DenseMapInfo<const Value *>::getTombstoneKey(), + 0, 0); + } + static unsigned getHashValue(const AliasAnalysis::Location &Val) { + return DenseMapInfo<const Value *>::getHashValue(Val.Ptr) ^ + DenseMapInfo<uint64_t>::getHashValue(Val.Size) ^ + DenseMapInfo<const MDNode *>::getHashValue(Val.TBAATag); + } + static bool isEqual(const AliasAnalysis::Location &LHS, + const AliasAnalysis::Location &RHS) { + return LHS.Ptr == RHS.Ptr && + LHS.Size == RHS.Size && + LHS.TBAATag == RHS.TBAATag; + } +}; + /// isNoAliasCall - Return true if this pointer is returned by a noalias /// function. bool isNoAliasCall(const Value *V); |
