[PATCH] D107838: [CSSPGO] Do not use getCanonicalFnName in pseudo probe descriptor decoding

Hongtao Yu via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Aug 10 08:59:48 PDT 2021


hoy created this revision.
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Pseudo probe descriptors are created very early in the pipeline where function names just come from the front end and are not yet decorated. So calling getCanonicalFnName on the function names in probe desc is basically a no-op, which also addes a depenency from MC to ProfileData unnessesarily.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D107838

Files:
  llvm/lib/MC/CMakeLists.txt
  llvm/lib/MC/MCPseudoProbe.cpp


Index: llvm/lib/MC/MCPseudoProbe.cpp
===================================================================
--- llvm/lib/MC/MCPseudoProbe.cpp
+++ llvm/lib/MC/MCPseudoProbe.cpp
@@ -356,8 +356,7 @@
 
     uint64_t GUID = std::move(*ErrorOrGUID);
     uint64_t Hash = std::move(*ErrorOrHash);
-    StringRef Name =
-        FunctionSamples::getCanonicalFnName(std::move(*ErrorOrName));
+    StringRef Name = std::move(*ErrorOrName);
 
     // Initialize PseudoProbeFuncDesc and populate it into GUID2FuncDescMap
     GUID2FuncDescMap.emplace(GUID, MCPseudoProbeFuncDesc(GUID, Hash, Name));
Index: llvm/lib/MC/CMakeLists.txt
===================================================================
--- llvm/lib/MC/CMakeLists.txt
+++ llvm/lib/MC/CMakeLists.txt
@@ -70,7 +70,6 @@
   Support
   BinaryFormat
   DebugInfoCodeView
-  ProfileData
   )
 
 add_subdirectory(MCParser)


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