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Adjust to changes in instruction interfaces.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19900 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2005-01-29 00:39:08 +00:00
parent 667fdaef9f
commit 5551706b0f
3 changed files with 11 additions and 10 deletions
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11
lib/Transforms/Scalar/DeadStoreElimination.cpp
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@@ -156,13 +156,12 @@ void DSE::DeleteDeadInstructionChains(Instruction *I,
// See if this made any operands dead. We do it this way in case the
// instruction uses the same operand twice. We don't want to delete a
// value then reference it.
while (unsigned NumOps = I->getNumOperands()) {
Instruction *Op = dyn_cast<Instruction>(I->getOperand(NumOps-1));
I->op_erase(I->op_end()-1); // Drop from the operand list.
if (Op) DeadInsts.insert(Op); // Attempt to nuke it later.
for (unsigned i = 0, e = I->getNumOperands(); i != e; ++i) {
if (Instruction *Op = dyn_cast<Instruction>(I->getOperand(i)))
DeadInsts.insert(Op); // Attempt to nuke it later.
I->setOperand(i, 0); // Drop from the operand list.
}
I->getParent()->getInstList().erase(I);
I->eraseFromParent();
++NumOther;
}