diff options
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/LoadValueNumbering.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Analysis/LoadValueNumbering.cpp b/lib/Analysis/LoadValueNumbering.cpp index edacffd..a850f81 100644 --- a/lib/Analysis/LoadValueNumbering.cpp +++ b/lib/Analysis/LoadValueNumbering.cpp @@ -17,6 +17,7 @@ #include "llvm/Analysis/Dominators.h" #include "llvm/Target/TargetData.h" #include "llvm/Pass.h" +#include "llvm/Type.h" #include "llvm/iMemory.h" #include "llvm/BasicBlock.h" #include "llvm/Support/CFG.h" @@ -83,6 +84,10 @@ void LoadVN::getAnalysisUsage(AnalysisUsage &AU) const { // void LoadVN::getEqualNumberNodes(Value *V, std::vector<Value*> &RetVals) const { + // If the alias analysis has any must alias information to share with us, we + // can definately use it. + if (isa<PointerType>(V->getType())) + getAnalysis<AliasAnalysis>().getMustAliases(V, RetVals); if (LoadInst *LI = dyn_cast<LoadInst>(V)) { // If we have a load instruction, find all of the load and store |