[llvm] ad61e34 - [gcov] Give the __llvm_gcov_ctr load instruction a name for more readable output

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2020-09-09T12:34:43-07:00
New Revision: ad61e346d302eccbc12fdfb81ea1b0cd28e80010

URL: https://github.com/llvm/llvm-project/commit/ad61e346d302eccbc12fdfb81ea1b0cd28e80010
DIFF: https://github.com/llvm/llvm-project/commit/ad61e346d302eccbc12fdfb81ea1b0cd28e80010.diff

LOG: [gcov] Give the __llvm_gcov_ctr load instruction a name for more readable output

Added: 
    

Modified: 
    llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index 736d12629017..cc8b92e21c7c 100644
--- a/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/llvm/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -890,7 +890,8 @@ bool GCOVProfiler::emitProfileArcs() {
           Builder.CreateAtomicRMW(AtomicRMWInst::Add, V, Builder.getInt64(1),
                                   AtomicOrdering::Monotonic);
         } else {
-          Value *Count = Builder.CreateLoad(Builder.getInt64Ty(), V);
+          Value *Count =
+              Builder.CreateLoad(Builder.getInt64Ty(), V, "gcov_ctr");
           Count = Builder.CreateAdd(Count, Builder.getInt64(1));
           Builder.CreateStore(Count, V);
         }