aboutsummaryrefslogtreecommitdiff
path: root/lib/Transforms/Utils/PromoteMemoryToRegister.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Transforms/Utils/PromoteMemoryToRegister.cpp')
-rw-r--r--lib/Transforms/Utils/PromoteMemoryToRegister.cpp11
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;