[llvm] 5f0db7c - [VectorCombine] Add "VECTORCOMBINE on <FUNCTION_NAME>" title debug message to help finding vectorcombine stages in the debug log

[Simon Pilgrim via llvm-commits]

Author: Simon Pilgrim
Date: 2024-12-20T13:32:49Z
New Revision: 5f0db7c11264fa235d73730b2b93a31407dfbef3

URL: https://github.com/llvm/llvm-project/commit/5f0db7c11264fa235d73730b2b93a31407dfbef3
DIFF: https://github.com/llvm/llvm-project/commit/5f0db7c11264fa235d73730b2b93a31407dfbef3.diff

LOG: [VectorCombine] Add "VECTORCOMBINE on <FUNCTION_NAME>" title debug message to help finding vectorcombine stages in the debug log

Added: 
    

Modified: 
    llvm/lib/Transforms/Vectorize/VectorCombine.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Vectorize/VectorCombine.cpp b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
index aa3dff0c0a89ed..deff00ff1ae528 100644
--- a/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
+++ b/llvm/lib/Transforms/Vectorize/VectorCombine.cpp
@@ -3032,6 +3032,8 @@ bool VectorCombine::run() {
   if (!TTI.getNumberOfRegisters(TTI.getRegisterClassForType(/*Vector*/ true)))
     return false;
 
+  LLVM_DEBUG(dbgs() << "\n\nVECTORCOMBINE on " << F.getName() << "\n");
+
   bool MadeChange = false;
   auto FoldInst = [this, &MadeChange](Instruction &I) {
     Builder.SetInsertPoint(&I);