Add some constantness to GetSuccessorNumber().

[oota-llvm.git] / lib / Analysis / CFG.cpp

diff --git a/lib/Analysis/CFG.cpp b/lib/Analysis/CFG.cpp
index 041fcb6313bd4d43405ea7d49f3c7770fd10e3fc..0dfd57d3cb6bb985bd8c597236cb6ae23591c281 100644 (file)
--- a/lib/Analysis/CFG.cpp
+++ b/lib/Analysis/CFG.cpp
@@ -69,8 +69,9 @@ void llvm::FindFunctionBackedges(const Function &F,
 /// and return its position in the terminator instruction's list of
 /// successors.  It is an error to call this with a block that is not a
 /// successor.
-unsigned llvm::GetSuccessorNumber(BasicBlock *BB, BasicBlock *Succ) {
-  TerminatorInst *Term = BB->getTerminator();
+unsigned llvm::GetSuccessorNumber(const BasicBlock *BB,
+    const BasicBlock *Succ) {
+  const TerminatorInst *Term = BB->getTerminator();
 #ifndef NDEBUG
   unsigned e = Term->getNumSuccessors();
 #endif