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The landingpad instruction isn't dead simply because it's value isn't used.

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llvm-svn: 138102
This commit is contained in:
Bill Wendling 2011-08-19 21:52:06 +00:00
parent dbd4cacba4
commit 31d80032c6
1 changed files with 1 additions and 1 deletions
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2
lib/Transforms/Scalar/ADCE.cpp
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@ -57,6 +57,7 @@ bool ADCE::runOnFunction(Function& F) {
for (inst_iterator I = inst_begin(F), E = inst_end(F); I != E; ++I)
if (isa<TerminatorInst>(I.getInstructionIterator()) ||
isa<DbgInfoIntrinsic>(I.getInstructionIterator()) ||
isa<LandingPadInst>(I.getInstructionIterator()) ||
I->mayHaveSideEffects()) {
alive.insert(I.getInstructionIterator());
worklist.push_back(I.getInstructionIterator());
@ -65,7 +66,6 @@ bool ADCE::runOnFunction(Function& F) {
// Propagate liveness backwards to operands.
while (!worklist.empty()) {
Instruction* curr = worklist.pop_back_val();
for (Instruction::op_iterator OI = curr->op_begin(), OE = curr->op_end();
OI != OE; ++OI)
if (Instruction* Inst = dyn_cast<Instruction>(OI))