================
@@ -1118,13 +1121,68 @@ CIRGenFunction::emitAMDGPUBuiltinExpr(unsigned
builtinId,
return mlir::Value{};
}
case AMDGPU::BI__builtin_amdgcn_fence: {
- CIRGenBuilderTy &b = getBuilder();
- cir::MemOrder mo = decodeAtomicOrder(expr->getArg(0), getContext());
- cir::SyncScopeKind syncScope = decodeAMDGPUSyncScope(expr->getArg(1));
- cir::SyncScopeKindAttr syncScopeAttr =
- cir::SyncScopeKindAttr::get(b.getContext(), syncScope);
- cir::AtomicFenceOp::create(b, getLoc(expr->getExprLoc()), mo,
- syncScopeAttr);
+ // The scope uses AMDGPU spelling on every target, like mapScopeToSPIRV.
+ const llvm::Triple &triple = getTarget().getTriple();
+ std::optional<std::pair<llvm::AtomicScope, bool>> parsed;
+ if (std::optional<std::string> name =
+ expr->getArg(1)->tryEvaluateString(getContext())) {
+ parsed =
llvm::parseAtomicScopeIRString(llvm::Triple("amdgcn-amd-amdhsa"),
----------------
aobolensk wrote:
Classic codegen does the same in mapScopeToSPIRV
If we use the actual triple (spirv64-amd-amdhsa), we get a parse failure for
"agent", "wavefront" and other scopes
https://github.com/llvm/llvm-project/pull/230829
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