diff options
Diffstat (limited to 'lib/Analysis/ValueTracking.cpp')
-rw-r--r-- | lib/Analysis/ValueTracking.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/Analysis/ValueTracking.cpp b/lib/Analysis/ValueTracking.cpp index ae253abc5d..75062953cb 100644 --- a/lib/Analysis/ValueTracking.cpp +++ b/lib/Analysis/ValueTracking.cpp @@ -1441,6 +1441,14 @@ Value *llvm::GetUnderlyingObject(Value *V, unsigned MaxLookup) { return V; V = GA->getAliasee(); } else { + // See if InstructionSimplify knows any relevant tricks. + if (Instruction *I = dyn_cast<Instruction>(V)) + // TODO: Aquire TargetData and DominatorTree and use them. + if (Value *Simplified = SimplifyInstruction(I, 0, 0)) { + V = Simplified; + continue; + } + return V; } assert(V->getType()->isPointerTy() && "Unexpected operand type!"); |