[all-commits] [llvm/llvm-project] 7ce49b: [BOLT][Bazel] Configure Rewrite target backends (#...

[David Zbarsky via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 7ce49b34caa760403784fe2d541bf9feca4743a2
      https://github.com/llvm/llvm-project/commit/7ce49b34caa760403784fe2d541bf9feca4743a2
  Author: David Zbarsky <dzbarsky at gmail.com>
  Date:   2026-06-22 (Mon, 22 Jun 2026)

  Changed paths:
    M utils/bazel/llvm-project-overlay/bolt/BUILD.bazel

  Log Message:
  -----------
  [BOLT][Bazel] Configure Rewrite target backends (#205179)

`RewriteInstance.cpp` only creates target-specific `MCPlusBuilder`
instances when `X86_AVAILABLE` or `AARCH64_AVAILABLE` is defined. The
Bazel `Rewrite` target defines neither macro and hard-codes `TargetX86`,
so `createMCPlusBuilder()` returns null for both target backends defined
by the Bazel overlay. Derive the definitions and dependencies from the
generated `bolt_targets` list, restricted to the `TargetAArch64` and
`TargetX86` rules defined in this BUILD file, and use the same target
dependencies for `llvm-bolt`.

Validation: `buildifier -mode=check -lint=warn
utils/bazel/llvm-project-overlay/bolt/BUILD.bazel`; an equivalent
overlay change built and executed BOLT for Linux x86_64 and Linux
AArch64 in [hermetic-llvm's remote `//prebuilt/llvm:all`
build](https://app.buildbuddy.io/invocation/7943a005-c159-4cb9-af0e-00ffbaa40bb5).

AI tool disclosure: Co-authored with OpenAI Codex.



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