diff options
Diffstat (limited to 'lib/Transforms/Utils/PromoteMemoryToRegister.cpp')
-rw-r--r-- | lib/Transforms/Utils/PromoteMemoryToRegister.cpp | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp index 49499c65e0..3311bd1c20 100644 --- a/lib/Transforms/Utils/PromoteMemoryToRegister.cpp +++ b/lib/Transforms/Utils/PromoteMemoryToRegister.cpp @@ -95,10 +95,12 @@ namespace { void run(); - /// dominates - Return true if BB1 dominates BB2 using the DT. + /// dominates - Return true if I1 dominates I2 using the DominatorTree. /// - bool dominates(BasicBlock *BB1, BasicBlock *BB2) const { - return DT[BB1]->dominates(DT[BB2]); + bool dominates(Instruction *I1, Instruction *I2) const { + if (InvokeInst *II = dyn_cast<InvokeInst>(I1)) + I1 = II->getNormalDest()->begin(); + return DT[I1->getParent()]->dominates(DT[I2->getParent()]); } private: @@ -339,8 +341,7 @@ void PromoteMem2Reg::run() { for (unsigned i = 0, e = PNs.size(); i != e; ++i) if (PNs[i]) { if (Value *V = hasConstantValue(PNs[i])) { - if (!isa<Instruction>(V) || - dominates(cast<Instruction>(V)->getParent(), I->first)) { + if (!isa<Instruction>(V) || dominates(cast<Instruction>(V), PNs[i])) { PNs[i]->replaceAllUsesWith(V); PNs[i]->eraseFromParent(); PNs[i] = 0; |