From: Dan Gohman <gohman@apple.com>
Date: Thu, 25 Sep 2008 01:06:50 +0000 (+0000)
Subject: Add debug output to this pass.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=723ac3720f6d983e0ed01504964fde1aa63951ff;p=oota-llvm.git

Add debug output to this pass.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56602 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/DeadMachineInstructionElim.cpp b/lib/CodeGen/DeadMachineInstructionElim.cpp
index 881df1e6b66..718b6e2a5aa 100644
--- a/lib/CodeGen/DeadMachineInstructionElim.cpp
+++ b/lib/CodeGen/DeadMachineInstructionElim.cpp
@@ -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();