Fix compiler warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47468 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SimpleRegisterCoalescing.cpp b/lib/CodeGen/SimpleRegisterCoalescing.cpp
index 86c9895ca92a276d384e9eb519fd34cd2235f986..ba026d7daf7f2df6f225fe2080ee852dc2d16965 100644 (file)
--- a/lib/CodeGen/SimpleRegisterCoalescing.cpp
+++ b/lib/CodeGen/SimpleRegisterCoalescing.cpp
@@ -293,7 +293,7 @@ bool SimpleRegisterCoalescing::RemoveCopyByCommutingDef(LiveInterval &IntA,
   if (HasOtherReachingDefs(IntA, IntB, AValNo, BValNo))
     return false;
 
-  if (CommuteLimit >= 0 && numCommutes >= CommuteLimit)
+  if (CommuteLimit >= 0 && numCommutes >= (unsigned)CommuteLimit)
     return false;
 
   // At this point we have decided that it is legal to do this