[clang] 5506a9a - clang/AMDGPU: Mark more capability target features read-only (#214954)

[via cfe-commits]

Author: Matt Arsenault
Date: 2026-08-08T15:19:03+02:00
New Revision: 5506a9af057274f0c67919145eaabdac36f78328

URL: https://github.com/llvm/llvm-project/commit/5506a9af057274f0c67919145eaabdac36f78328
DIFF: https://github.com/llvm/llvm-project/commit/5506a9af057274f0c67919145eaabdac36f78328.diff

LOG: clang/AMDGPU: Mark more capability target features read-only (#214954)

Really all amdgpu subtarget features should be read-only, except
for a handful of legitimately configurable modes which should be moved
out of subtarget features. Add a few special cases here which will help
unblock progressing towards using the new generated feature bitset.

Added: 
    

Modified: 
    clang/lib/Basic/Targets/AMDGPU.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Basic/Targets/AMDGPU.cpp b/clang/lib/Basic/Targets/AMDGPU.cpp
index 4109066ec910e..c15ac0462918d 100644
--- a/clang/lib/Basic/Targets/AMDGPU.cpp
+++ b/clang/lib/Basic/Targets/AMDGPU.cpp
@@ -229,7 +229,9 @@ AMDGPUTargetInfo::AMDGPUTargetInfo(const llvm::Triple &Triple,
   MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
   CUMode = !(GPUFeatures & llvm::AMDGPU::FEATURE_WGP);
 
-  for (auto F : {"image-insts", "gws", "vmem-to-lds-load-insts"}) {
+  for (auto F : {"image-insts", "gws", "vmem-to-lds-load-insts", "supports-wgp",
+                 "supports-wave32", "xnack-support", "sramecc-support",
+                 "xnack-on-off-modes"}) {
     if (GPUKind != llvm::AMDGPU::GK_NONE)
       ReadOnlyFeatures.insert(F);
   }