[llvm-branch-commits] [llvm][IR] Extend BranchWeightMetadata to track provenance of weights (PR #86609)
Paul Kirth via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Mon Apr 22 09:07:54 PDT 2024
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@@ -55,6 +55,20 @@ MDNode *getBranchWeightMDNode(const Instruction &I);
/// Nullptr otherwise.
MDNode *getValidBranchWeightMDNode(const Instruction &I);
+/// Check if Branch Weight Metadata has an "expected" field from an llvm.expect*
+/// intrinsic
+bool hasExpectedProvenance(const Instruction &I);
+
+/// Check if Branch Weight Metadata has an "expected" field from an llvm.expect*
+/// intrinsic
+bool hasExpectedProvenance(const MDNode *ProfileData);
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ilovepi wrote:
Fair points ... maybe we should consider that refactoring anyway? I can file a Github issue to track it, and try to set aside some time over the next couple of weeks to look into it.
https://github.com/llvm/llvm-project/pull/86609
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