[clang] [OpenCL] Put constant initializer globals into constant addrspace (PR #90048)

[Sven van Haastregt via cfe-commits]

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@@ -536,6 +536,8 @@ void AggExprEmitter::EmitArrayInit(Address DestPtr, 
llvm::ArrayType *AType,
     CodeGen::CodeGenModule &CGM = CGF.CGM;
     ConstantEmitter Emitter(CGF);
     LangAS AS = ArrayQTy.getAddressSpace();
+    if (CGF.getLangOpts().OpenCL)
+      AS = LangAS::opencl_constant;
     if (llvm::Constant *C =
             Emitter.tryEmitForInitializer(ExprToVisit, AS, ArrayQTy)) {
       auto GV = new llvm::GlobalVariable(
----------------
svenvh wrote:

Nice catch, that wasn't obvious to me from the code.  Updated by splitting out 
a separate QualType variable for the global.

https://github.com/llvm/llvm-project/pull/90048
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