Fix -Wsign-compare in ScopInfo.cpp

llvm::Loop::getNumBlocks returns an unsigned int, not a long.

llvm-svn: 305717

1 files changed, 2 insertions, 2 deletions

diff --git a/polly/lib/Analysis/ScopInfo.cpp b/polly/lib/Analysis/ScopInfo.cpp
index b28b7e2044e..e6ef05e7133 100644
--- a/polly/lib/Analysis/ScopInfo.cpp
+++ b/polly/lib/Analysis/ScopInfo.cpp
@@ -2551,8 +2551,8 @@ static inline Loop *getRegionNodeLoop(RegionNode *RN, LoopInfo &LI) {
 /// subsequently speculate away.
 ///
 /// @see getRegionNodeLoop for additional details.
-long getNumBlocksInLoop(Loop *L) {
-  long NumBlocks = L->getNumBlocks();
+unsigned getNumBlocksInLoop(Loop *L) {
+  unsigned NumBlocks = L->getNumBlocks();
   SmallVector<llvm::BasicBlock *, 4> ExitBlocks;
   L->getExitBlocks(ExitBlocks);