[all-commits] [llvm/llvm-project] 8518c7: [mlir][llvm] Preserve function entry count metadat...

[1sgtpepper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 8518c74b5ef8950b9b604df588f29d9037fe1380
      https://github.com/llvm/llvm-project/commit/8518c74b5ef8950b9b604df588f29d9037fe1380
  Author: 1sgtpepper <cynejarviszarceno at gmail.com>
  Date:   2026-07-14 (Tue, 14 Jul 2026)

  Changed paths:
    M mlir/include/mlir/Dialect/LLVMIR/LLVMAttrDefs.td
    M mlir/include/mlir/Dialect/LLVMIR/LLVMEnums.td
    M mlir/include/mlir/Dialect/LLVMIR/LLVMOps.td
    M mlir/lib/Dialect/LLVMIR/IR/LLVMDialect.cpp
    M mlir/lib/Target/LLVMIR/Dialect/LLVMIR/LLVMIRToLLVMTranslation.cpp
    M mlir/lib/Target/LLVMIR/ModuleTranslation.cpp
    M mlir/test/Target/LLVMIR/Import/function-attributes.ll
    M mlir/test/Target/LLVMIR/llvmir.mlir

  Log Message:
  -----------
  [mlir][llvm] Preserve function entry count metadata (#204707)

Fixes #202374.

Preserve LLVM function `!prof` metadata for:
- `synthetic_function_entry_count`
- `function_entry_count` with import GUID operands

The importer represents the entry count, count kind, and trailing import
GUID operands in a single `#llvm.function_entry_count` attribute,
validates malformed operands before mutating the operation, and exports
the metadata through `llvm::Function::setEntryCount`.

Tests cover import, export, malformed metadata operands, synthetic
counts, synthetic counts with trailing operands, import GUID
round-tripping, and raw i64 bit-pattern preservation.

Checks:
- `git diff --check`
- `git clang-format --diff origin/main -- ...`
- `llvm-as -disable-output` smoke check

Codex was used in making this PR.



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