[SimplifyIndVar] createWideIV - make WideIVInfo arg a const ref. NFCI.

The WideIVInfo arg is only ever used as a const.

Fixes cppcheck warning.

diff --git a/llvm/include/llvm/Transforms/Utils/SimplifyIndVar.h b/llvm/include/llvm/Transforms/Utils/SimplifyIndVar.h
index 4599627b65f53da2e5621243c2b11c48a4f09ce5..4ba56fb45afa7fa194d2bb16aa70f7aa0c1ffbcb 100644 (file)
--- a/llvm/include/llvm/Transforms/Utils/SimplifyIndVar.h
+++ b/llvm/include/llvm/Transforms/Utils/SimplifyIndVar.h
@@ -74,7 +74,7 @@ struct WideIVInfo {
 
 /// Widen Induction Variables - Extend the width of an IV to cover its
 /// widest uses.
-PHINode *createWideIV(WideIVInfo &WI,
+PHINode *createWideIV(const WideIVInfo &WI,
     LoopInfo *LI, ScalarEvolution *SE, SCEVExpander &Rewriter,
     DominatorTree *DT, SmallVectorImpl<WeakTrackingVH> &DeadInsts,
     unsigned &NumElimExt, unsigned &NumWidened,

diff --git a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
index f3b198094bd14e6816363c506bbb671976fcebca..290c04a7ad10ea7f8b199e5fa1d952b7da7641ea 100644 (file)
--- a/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyIndVar.cpp
@@ -2076,7 +2076,7 @@ void WidenIV::calculatePostIncRanges(PHINode *OrigPhi) {
   }
 }
 
-PHINode *llvm::createWideIV(WideIVInfo &WI,
+PHINode *llvm::createWideIV(const WideIVInfo &WI,
     LoopInfo *LI, ScalarEvolution *SE, SCEVExpander &Rewriter,
     DominatorTree *DT, SmallVectorImpl<WeakTrackingVH> &DeadInsts,
     unsigned &NumElimExt, unsigned &NumWidened,