[llvm-commits] [llvm] r95735 - in /llvm/trunk: include/llvm/CodeGen/MachineOperand.h lib/CodeGen/MachineInstr.cpp

Dale Johannesen dalej at apple.com
Tue Feb 9 16:41:50 PST 2010


Author: johannes
Date: Tue Feb  9 18:41:49 2010
New Revision: 95735

URL: http://llvm.org/viewvc/llvm-project?rev=95735&view=rev
Log:
Add isDebug argument to ChangeToRegister; this prevents
the field from being used uninitialized later in some cases.


Modified:
    llvm/trunk/include/llvm/CodeGen/MachineOperand.h
    llvm/trunk/lib/CodeGen/MachineInstr.cpp

Modified: llvm/trunk/include/llvm/CodeGen/MachineOperand.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineOperand.h?rev=95735&r1=95734&r2=95735&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/MachineOperand.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MachineOperand.h Tue Feb  9 18:41:49 2010
@@ -379,7 +379,7 @@
   /// the setReg method should be used.
   void ChangeToRegister(unsigned Reg, bool isDef, bool isImp = false,
                         bool isKill = false, bool isDead = false,
-                        bool isUndef = false);
+                        bool isUndef = false, bool isDebug = false);
   
   //===--------------------------------------------------------------------===//
   // Construction methods.

Modified: llvm/trunk/lib/CodeGen/MachineInstr.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineInstr.cpp?rev=95735&r1=95734&r2=95735&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/MachineInstr.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineInstr.cpp Tue Feb  9 18:41:49 2010
@@ -127,7 +127,8 @@
 /// the specified value.  If an operand is known to be an register already,
 /// the setReg method should be used.
 void MachineOperand::ChangeToRegister(unsigned Reg, bool isDef, bool isImp,
-                                      bool isKill, bool isDead, bool isUndef) {
+                                      bool isKill, bool isDead, bool isUndef,
+                                      bool isDebug) {
   // If this operand is already a register operand, use setReg to update the 
   // register's use/def lists.
   if (isReg()) {
@@ -152,6 +153,7 @@
   IsDead = isDead;
   IsUndef = isUndef;
   IsEarlyClobber = false;
+  IsDebug = isDebug;
   SubReg = 0;
 }
 





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