Fix an obvious typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148622 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/LiveVariables.cpp b/lib/CodeGen/LiveVariables.cpp
index 54b9cc1..3ce0e82 100644
--- a/lib/CodeGen/LiveVariables.cpp
+++ b/lib/CodeGen/LiveVariables.cpp
@@ -426,7 +426,7 @@
     if (!PhysRegDef[Reg] && !PhysRegUse[Reg])
       continue;
     // Skip mask-preserved regs.
-    if (!MO.clobbersPhysReg(Reg));
+    if (!MO.clobbersPhysReg(Reg))
       continue;
     // Kill the largest clobbered super-register.
     // This avoids needless implicit operands.