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Add debug output to this pass.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56602 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2008-09-25 01:06:50 +00:00
parent 89d4a2848d
commit 723ac3720f
1 changed files with 2 additions and 0 deletions
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2
lib/CodeGen/DeadMachineInstructionElim.cpp
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@ -16,6 +16,7 @@
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
using namespace llvm;
@ -109,6 +110,7 @@ bool DeadMachineInstructionElim::runOnMachineFunction(MachineFunction &MF) {
// If the instruction is dead, delete it!
if (isDead(MI)) {
DOUT << "DeadMachineInstructionElim: DELETING: " << *MI;
AnyChanges = true;
MI->eraseFromParent();
MIE = MBB->rend();