[llvm-commits] [llvm] r83481 - /llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp

[Jim Grosbach]

Author: grosbach
Date: Wed Oct  7 13:44:24 2009
New Revision: 83481

URL: http://llvm.org/viewvc/llvm-project?rev=83481&view=rev
Log:
add initializers for clarity. Add missing assignment of PrevLastUseOp.

Modified:
    llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp

Modified: llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp?rev=83481&r1=83480&r2=83481&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp (original)
+++ llvm/trunk/lib/CodeGen/PrologEpilogInserter.cpp Wed Oct  7 13:44:24 2009
@@ -782,8 +782,8 @@
     unsigned CurrentScratchReg = 0;
     unsigned PrevScratchReg = 0;
     int PrevValue;
-    MachineInstr *PrevLastUseMI;
-    unsigned PrevLastUseOp;
+    MachineInstr *PrevLastUseMI = NULL;
+    unsigned PrevLastUseOp = 0;
 
     // The instruction stream may change in the loop, so check BB->end()
     // directly.
@@ -875,6 +875,7 @@
           if (MI->getOperand(i).isKill()) {
             PrevScratchReg = CurrentScratchReg;
             PrevLastUseMI = MI;
+            PrevLastUseOp = i;
             CurrentScratchReg = CurrentVirtReg = 0;
           }
         }