[llvm-branch-commits] [clang] [llvm] [mlir] [RFC][AMDGPU] Add BARRIER address space (PR #195613)

[Shilei Tian via llvm-branch-commits]

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@@ -555,8 +555,21 @@ AMDGPUTargetCodeGenInfo::getSRetAddrSpace(const CXXRecordDecl *RD) const {
 
 LangAS AMDGPUTargetCodeGenInfo::adjustGlobalVarAddressSpace(
     CodeGenModule &CGM, const VarDecl *D, std::optional<LangAS> AS) const {
-  if (AS)
+  if (AS) {
+    // NamedWorkgroupBarrier GVs are declared as __shared__, but the back-end
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shiltian wrote:

I wonder if we really need to make them define as `__shared__`?

https://github.com/llvm/llvm-project/pull/195613