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| author | Prabhu Rajasekaran <prabhukr@google.com> | 2025-07-18 14:40:54 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2025-07-18 14:40:54 -0700 |
| commit | 921c6dbecaf49e3ed24b94802f094cd7f61f1873 (patch) | |
| tree | d25e45eb05da07ef36276a4fbc4d524285762253 /llvm/lib/Transforms/Utils/ValueMapper.cpp | |
| parent | 6d8e53d4afe46608f47bcb014387c053829cdcf1 (diff) | |
| download | llvm-921c6dbecaf49e3ed24b94802f094cd7f61f1873.zip llvm-921c6dbecaf49e3ed24b94802f094cd7f61f1873.tar.gz llvm-921c6dbecaf49e3ed24b94802f094cd7f61f1873.tar.bz2 | |
[llvm] Introduce callee_type metadata
Introduce `callee_type` metadata which will be attached to the indirect
call instructions.
The `callee_type` metadata will be used to generate `.callgraph` section
described in this RFC:
https://lists.llvm.org/pipermail/llvm-dev/2021-July/151739.html
Reviewers: morehouse, petrhosek, nikic, ilovepi
Reviewed By: nikic, ilovepi
Pull Request: https://github.com/llvm/llvm-project/pull/87573
Diffstat (limited to 'llvm/lib/Transforms/Utils/ValueMapper.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/ValueMapper.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/ValueMapper.cpp b/llvm/lib/Transforms/Utils/ValueMapper.cpp index 7ba95e2..8d8a60b 100644 --- a/llvm/lib/Transforms/Utils/ValueMapper.cpp +++ b/llvm/lib/Transforms/Utils/ValueMapper.cpp @@ -987,6 +987,13 @@ void Mapper::remapInstruction(Instruction *I) { "Referenced value not in value map!"); } + // Drop callee_type metadata from calls that were remapped + // into a direct call from an indirect one. + if (auto *CB = dyn_cast<CallBase>(I)) { + if (CB->getMetadata(LLVMContext::MD_callee_type) && !CB->isIndirectCall()) + CB->setMetadata(LLVMContext::MD_callee_type, nullptr); + } + // Remap phi nodes' incoming blocks. if (PHINode *PN = dyn_cast<PHINode>(I)) { for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) { |