================
@@ -5759,9 +5761,18 @@ void CodeGenModule::EmitGlobalVarDefinition(const
VarDecl *D,
getCUDARuntime().internalizeDeviceSideVar(D, Linkage);
}
getCUDARuntime().handleVarRegistration(D, *GV);
+ } else if (LangOpts.HLSL &&
+ GetGlobalVarAddressSpace(D) == LangAS::hlsl_input) {
+ // HLSL Input variables are considered to be set by the driver/pipeline,
but
+ // only visible to a single thread/wave.
+ GV->setExternallyInitialized(true);
----------------
Keenuts wrote:
I initially did this, but I found it less clear: it was not clear reading the
top level function what property was changed by sub-functions, and other
languages did it at the top level, so it felt confusing.
I prefer to only keep the metadata generation in the CGHLSLRuntime function.
https://github.com/llvm/llvm-project/pull/138530
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