[llvm] f5d23d3 - RewriteStatepointsForGC - Use const-ref iterator in for-range loops. NFCI.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2021-09-21T13:01:08+01:00
New Revision: f5d23d36de87f0cef3117df657d4f1d9133749c0

URL: https://github.com/llvm/llvm-project/commit/f5d23d36de87f0cef3117df657d4f1d9133749c0
DIFF: https://github.com/llvm/llvm-project/commit/f5d23d36de87f0cef3117df657d4f1d9133749c0.diff

LOG: RewriteStatepointsForGC - Use const-ref iterator in for-range loops. NFCI.

Avoid unnecessary copies, reported by MSVC static analyzer.

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
index 095c70f4b90d..415269db0f9b 100644
--- a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
+++ b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
@@ -910,7 +910,7 @@ static Value *findBasePointer(Value *I, DefiningValueMapTy &Cache) {
 #ifndef NDEBUG
   VerifyStates();
   LLVM_DEBUG(dbgs() << "States after initialization:\n");
-  for (auto Pair : States) {
+  for (const auto &Pair : States) {
     LLVM_DEBUG(dbgs() << " " << Pair.second << " for " << *Pair.first << "\n");
   }
 #endif
@@ -1002,7 +1002,7 @@ static Value *findBasePointer(Value *I, DefiningValueMapTy &Cache) {
 #ifndef NDEBUG
   VerifyStates();
   LLVM_DEBUG(dbgs() << "States after meet iteration:\n");
-  for (auto Pair : States) {
+  for (const auto &Pair : States) {
     LLVM_DEBUG(dbgs() << " " << Pair.second << " for " << *Pair.first << "\n");
   }
 #endif