Make makeLoopInvariant report whether it made any changes or not,

and use this to simplify more code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75722 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 2 deletions

diff --git a/include/llvm/Analysis/LoopInfo.h b/include/llvm/Analysis/LoopInfo.h
index 90afc01da0..de9a30d281 100644
--- a/include/llvm/Analysis/LoopInfo.h
+++ b/include/llvm/Analysis/LoopInfo.h
@@ -490,7 +490,8 @@ public:
   /// If InsertPt is specified, it is the point to hoist instructions to.
   /// If null, the terminator of the loop preheader is used.
   ///
-  bool makeLoopInvariant(Value *V, Instruction *InsertPt = 0) const;
+  bool makeLoopInvariant(Value *V, bool &Changed,
+                         Instruction *InsertPt = 0) const;
 
   /// makeLoopInvariant - If the given instruction is inside of the
   /// loop and it can be hoisted, do so to make it trivially loop-invariant.
@@ -501,7 +502,8 @@ public:
   /// If InsertPt is specified, it is the point to hoist instructions to.
   /// If null, the terminator of the loop preheader is used.
   ///
-  bool makeLoopInvariant(Instruction *I, Instruction *InsertPt = 0) const;
+  bool makeLoopInvariant(Instruction *I, bool &Changed,
+                         Instruction *InsertPt = 0) const;
 
   /// getCanonicalInductionVariable - Check to see if the loop has a canonical
   /// induction variable: an integer recurrence that starts at 0 and increments