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Don't try to set an EFLAGS operand to dead if no instruction was created.

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This fixes a bug introduced by r61215.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64316 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-02-11 19:50:24 +00:00
parent 85b0edec46
commit d293e0d2dc
1 changed files with 6 additions and 4 deletions
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10
lib/Target/X86/X86RegisterInfo.cpp
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@ -412,11 +412,13 @@ eliminateCallFramePseudoInstr(MachineFunction &MF, MachineBasicBlock &MBB,
} }
} }
// The EFLAGS implicit def is dead. if (New) {
New->getOperand(3).setIsDead(); // The EFLAGS implicit def is dead.
New->getOperand(3).setIsDead();
// Replace the pseudo instruction with a new instruction... // Replace the pseudo instruction with a new instruction...
if (New) MBB.insert(I, New); MBB.insert(I, New);
}
} }
} else if (I->getOpcode() == getCallFrameDestroyOpcode()) { } else if (I->getOpcode() == getCallFrameDestroyOpcode()) {
// If we are performing frame pointer elimination and if the callee pops // If we are performing frame pointer elimination and if the callee pops