[all-commits] [llvm/llvm-project] acbc7e: clang/AMDGPU: Validate -target-cpu in cc1 is valid...

[Matt Arsenault via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: acbc7e571c3aa6f23672f84f5ea76cd41345a3a2
      https://github.com/llvm/llvm-project/commit/acbc7e571c3aa6f23672f84f5ea76cd41345a3a2
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M clang/lib/Basic/Targets/AMDGPU.cpp
    M clang/lib/Basic/Targets/AMDGPU.h
    M clang/test/Misc/target-invalid-cpu-note/amdgcn.c

  Log Message:
  -----------
  clang/AMDGPU: Validate -target-cpu in cc1 is valid for the subarch (#206481)

Restrict the reported list of valid target-cpus based on the triple's
subarch. This is more consistent with how other targets validate the
target CPU name. Currently we have split handling validating the target
name for the triple in both the driver and here. The driver based
diagnostic seems to be an amdgpu-ism in 2 different places (though there 
is one arm validation emitting the same diagnostic). In the future we could
probably drop those.



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