[llvm] 4edd74a - BlockFrequencyInfoImpl.h - use const references to avoid FrequencyData copies. NFCI.

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2020-10-02T13:56:30+01:00
New Revision: 4edd74a1986f5e347a1f2e060df7f6372938fa9e

URL: https://github.com/llvm/llvm-project/commit/4edd74a1986f5e347a1f2e060df7f6372938fa9e
DIFF: https://github.com/llvm/llvm-project/commit/4edd74a1986f5e347a1f2e060df7f6372938fa9e.diff

LOG: BlockFrequencyInfoImpl.h - use const references to avoid FrequencyData copies. NFCI.

Added: 
    

Modified: 
    llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h b/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h
index e6ddaa7ef31e..c22787531117 100644
--- a/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h
+++ b/llvm/include/llvm/Analysis/BlockFrequencyInfoImpl.h
@@ -1449,8 +1449,8 @@ void BlockFrequencyInfoImpl<BT>::verifyMatch(
       BlockNode Node = Entry.second;
       if (OtherValidNodes.count(BB)) {
         BlockNode OtherNode = OtherValidNodes[BB];
-        auto Freq = Freqs[Node.Index];
-        auto OtherFreq = Other.Freqs[OtherNode.Index];
+        const auto &Freq = Freqs[Node.Index];
+        const auto &OtherFreq = Other.Freqs[OtherNode.Index];
         if (Freq.Integer != OtherFreq.Integer) {
           Match = false;
           dbgs() << "Freq mismatch: " << bfi_detail::getBlockName(BB) << " "