Fix the casting for the computation of the Malloc size.
llvm-svn: 32477
diff --git a/llvm/lib/Transforms/Utils/LowerAllocations.cpp b/llvm/lib/Transforms/Utils/LowerAllocations.cpp
index 40a4dc0..d011d75 100644
--- a/llvm/lib/Transforms/Utils/LowerAllocations.cpp
+++ b/llvm/lib/Transforms/Utils/LowerAllocations.cpp
@@ -122,15 +122,15 @@
MallocArg = ConstantInt::get(Type::ULongTy, TD.getTypeSize(AllocTy));
else
MallocArg = ConstantExpr::getSizeOf(AllocTy);
- MallocArg = ConstantExpr::getIntegerCast(cast<Constant>(MallocArg),
- IntPtrTy, true /*SExt*/);
+ MallocArg = ConstantExpr::getTruncOrBitCast(cast<Constant>(MallocArg),
+ IntPtrTy);
if (MI->isArrayAllocation()) {
if (isa<ConstantInt>(MallocArg) &&
cast<ConstantInt>(MallocArg)->getZExtValue() == 1) {
MallocArg = MI->getOperand(0); // Operand * 1 = Operand
} else if (Constant *CO = dyn_cast<Constant>(MI->getOperand(0))) {
- CO = ConstantExpr::getIntegerCast(CO, IntPtrTy, true /*SExt*/);
+ CO = ConstantExpr::getIntegerCast(CO, IntPtrTy, false /*ZExt*/);
MallocArg = ConstantExpr::getMul(CO, cast<Constant>(MallocArg));
} else {
Value *Scale = MI->getOperand(0);