[PGO] change the interface for createPGOFuncNameMetadata()
This patch changes the interface for createPGOFuncNameMetadata() where we add
another PGOFuncName argument.
Differential Revision: http://reviews.llvm.org/D19433
llvm-svn: 267216
diff --git a/llvm/lib/ProfileData/InstrProf.cpp b/llvm/lib/ProfileData/InstrProf.cpp
index f1a6ce9..931282b 100644
--- a/llvm/lib/ProfileData/InstrProf.cpp
+++ b/llvm/lib/ProfileData/InstrProf.cpp
@@ -732,13 +732,15 @@
return F.getMetadata(getPGOFuncNameMetadataName());
}
-void createPGOFuncNameMetadata(Function &F) {
- const std::string &FuncName = getPGOFuncName(F);
- if (FuncName == F.getName())
+void createPGOFuncNameMetadata(Function &F, const std::string &PGOFuncName) {
+ // Only for internal linkage functions.
+ if (PGOFuncName == F.getName())
+ return;
+ // Don't create duplicated meta-data.
+ if (getPGOFuncNameMetadata(F))
return;
-
LLVMContext &C = F.getContext();
- MDNode *N = MDNode::get(C, MDString::get(C, FuncName.c_str()));
+ MDNode *N = MDNode::get(C, MDString::get(C, PGOFuncName.c_str()));
F.setMetadata(getPGOFuncNameMetadataName(), N);
}