[clang] [CIR] Fix address space of string literals (PR #226996)

[Mariya Podchishchaeva via cfe-commits]

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@@ -1585,6 +1585,11 @@ LValue CIRGenFunction::emitStringLiteralLValue(const StringLiteral *e,
   unsigned align = *(globalOp.getAlignment());
   mlir::Value addr =
       builder.createGetGlobal(getLoc(e->getSourceRange()), globalOp);
+  cir::PointerType destPtrTy =
+      builder.getPointerTo(globalOp.getSymType(),
+                           cgm.getTypes().getPointerAddressSpace(e->getType()));
+  if (addr.getType() != destPtrTy)
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Fznamznon wrote:

I wonder if we should compare address spaces rather than types and create `destPtrTy` variable only if there is a mismatch.

https://github.com/llvm/llvm-project/pull/226996