[PATCH] D149387: [PGO] Add MD_prof into known-id set when combining metadata. The implementation of `combineMetadata` drops unknown types of metadata.
Mingming Liu via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Apr 27 15:21:29 PDT 2023
mingmingl created this revision.
Herald added subscribers: wlei, wenlei, hiraditya.
Herald added a project: All.
mingmingl requested review of this revision.
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Herald added a subscriber: llvm-commits.
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D149387
Files:
llvm/lib/Transforms/Scalar/GVNHoist.cpp
llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
Index: llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
+++ llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
@@ -1091,6 +1091,7 @@
// handled here, but combineMetadata doesn't support them yet
unsigned KnownIDs[] = {LLVMContext::MD_tbaa, LLVMContext::MD_alias_scope,
LLVMContext::MD_noalias,
+ LLVMContext::MD_prof,
LLVMContext::MD_invariant_group,
LLVMContext::MD_access_group};
combineMetadata(C, cpyLoad, KnownIDs, true);
Index: llvm/lib/Transforms/Scalar/GVNHoist.cpp
===================================================================
--- llvm/lib/Transforms/Scalar/GVNHoist.cpp
+++ llvm/lib/Transforms/Scalar/GVNHoist.cpp
@@ -246,6 +246,7 @@
LLVMContext::MD_fpmath,
LLVMContext::MD_invariant_load,
LLVMContext::MD_invariant_group,
+ LLVMContext::MD_prof,
LLVMContext::MD_access_group};
combineMetadata(ReplInst, I, KnownIDs, true);
}
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