Do not forget llvm.dbg.declare's first argument while removing debugging information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59688 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2008-11-20 01:20:42 +00:00
parent ce5ac1606f
commit f23de86fa3

View File

@ -99,7 +99,8 @@ static void RemoveDeadConstant(Constant *C) {
GV->eraseFromParent();
}
else if (!isa<Function>(C))
C->destroyConstant();
if (isa<CompositeType>(C->getType()))
C->destroyConstant();
// If the constant referenced anything, see if we can delete it as well.
for (SmallPtrSet<Constant *, 4>::iterator OI = Operands.begin(),
@ -245,11 +246,18 @@ bool StripDebugInfo(Module &M) {
if (Declare) {
while (!Declare->use_empty()) {
CallInst *CI = cast<CallInst>(Declare->use_back());
Value *Arg = CI->getOperand(2);
Value *Arg1 = CI->getOperand(1);
Value *Arg2 = CI->getOperand(2);
assert(CI->use_empty() && "llvm.dbg intrinsic should have void result");
CI->eraseFromParent();
if (Arg->use_empty())
if (Constant *C = dyn_cast<Constant>(Arg))
if (Arg1->use_empty()) {
if (Constant *C = dyn_cast<Constant>(Arg1))
DeadConstants.push_back(C);
if (Instruction *I = dyn_cast<Instruction>(Arg1))
I->eraseFromParent();
}
if (Arg2->use_empty())
if (Constant *C = dyn_cast<Constant>(Arg2))
DeadConstants.push_back(C);
}
Declare->eraseFromParent();