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-rw-r--r--lib/Transforms/Scalar/LowerGC.cpp6
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Transforms/Scalar/LowerGC.cpp b/lib/Transforms/Scalar/LowerGC.cpp
index 98ff0428f6..ce67d0e7a1 100644
--- a/lib/Transforms/Scalar/LowerGC.cpp
+++ b/lib/Transforms/Scalar/LowerGC.cpp
@@ -140,7 +140,8 @@ bool LowerGC::doInitialization(Module &M) {
/// not have the specified type, insert a cast.
static void Coerce(Instruction *I, unsigned OpNum, Type *Ty) {
if (I->getOperand(OpNum)->getType() != Ty) {
- if (Constant *C = dyn_cast<Constant>(I->getOperand(OpNum)))
+ Constant *C = dyn_cast<Constant>(I->getOperand(OpNum));
+ if (C && !isa<GlobalValue>(I->getOperand(OpNum)))
I->setOperand(OpNum, ConstantExpr::getCast(C, Ty));
else {
CastInst *C = new CastInst(I->getOperand(OpNum), Ty, "", I);
@@ -252,8 +253,7 @@ bool LowerGC::runOnFunction(Function &F) {
Par[2] = ConstantUInt::get(Type::UIntTy, i);
Par[3] = One;
Value *MetaDataPtr = new GetElementPtrInst(AI, Par, "MetaDataPtr", IP);
- assert(isa<Constant>(GCRoots[i]->getOperand(2)) ||
- isa<GlobalValue>(GCRoots[i]->getOperand(2)));
+ assert(isa<Constant>(GCRoots[i]->getOperand(2)) && "Must be a constant");
new StoreInst(GCRoots[i]->getOperand(2), MetaDataPtr, IP);
// Initialize the root pointer to null on entry to the function.