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

[Changpeng Fang via cfe-commits]

================
@@ -535,20 +535,23 @@ void AggExprEmitter::EmitArrayInit(Address DestPtr, 
llvm::ArrayType *AType,
       elementType.isTriviallyCopyableType(CGF.getContext())) {
     CodeGen::CodeGenModule &CGM = CGF.CGM;
     ConstantEmitter Emitter(CGF);
-    LangAS AS = ArrayQTy.getAddressSpace();
+    QualType GVArrayQTy = CGM.getContext().getAddrSpaceQualType(
+        CGM.getContext().removeAddrSpaceQualType(ArrayQTy),
----------------
changpeng wrote:

Reduced further:

clang -c -Xclang -emit-llvm -O0 test.clcpp

__kernel void test(__global ulong *In, __global ulong *Out) {
   ulong m[4] = {  In[0], In[1], 0, 0 };                                        
                                                                
   *Out = m[1];          
}

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