Fix a use of uninitialized value. OldCC is set when IsCmpZero || IsSwapped and read...

llvm-svn: 210168

diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index 6993577..a0ee1ee 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -3741,7 +3741,7 @@ optimizeCompareInstr(MachineInstr *CmpInstr, unsigned SrcReg, unsigned SrcReg2,
       continue;
 
     // EFLAGS is used by this instruction.
-    X86::CondCode OldCC;
+    X86::CondCode OldCC = X86::COND_INVALID;
     bool OpcIsSET = false;
     if (IsCmpZero || IsSwapped) {
       // We decode the condition code from opcode.