[llvm] 5a41800 - [SROA] Fix NumPromoted statistic for SROA pass (#115586)

[via llvm-commits]

Author: Afanasyev Ivan
Date: 2024-11-09T10:08:58+01:00
New Revision: 5a41800ea1d9bf382cf1039da6016550ddb072d7

URL: https://github.com/llvm/llvm-project/commit/5a41800ea1d9bf382cf1039da6016550ddb072d7
DIFF: https://github.com/llvm/llvm-project/commit/5a41800ea1d9bf382cf1039da6016550ddb072d7.diff

LOG: [SROA] Fix NumPromoted statistic for SROA pass (#115586)

`NumPromoted` stat should not be increased if `SROASkipMem2Reg` is set
and nothing is changed.

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp
index 3b01089962e29c..4a23e2bee5ba25 100644
--- a/llvm/lib/Transforms/Scalar/SROA.cpp
+++ b/llvm/lib/Transforms/Scalar/SROA.cpp
@@ -5590,12 +5590,11 @@ bool SROA::promoteAllocas(Function &F) {
   if (PromotableAllocas.empty())
     return false;
 
-  NumPromoted += PromotableAllocas.size();
-
   if (SROASkipMem2Reg) {
     LLVM_DEBUG(dbgs() << "Not promoting allocas with mem2reg!\n");
   } else {
     LLVM_DEBUG(dbgs() << "Promoting allocas with mem2reg...\n");
+    NumPromoted += PromotableAllocas.size();
     PromoteMemToReg(PromotableAllocas.getArrayRef(), DTU->getDomTree(), AC);
   }