Fix the casting for the computation of the Malloc size.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32477 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2006-12-12 09:17:08 +00:00
parent b15974a65c
commit daa8e3c263

View File

@ -122,15 +122,15 @@ bool LowerAllocations::runOnBasicBlock(BasicBlock &BB) {
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);