[clang] [CIR] Upstream `AddressSpace` support for `PointerType` (PR #161028)

[Andy Kaylor via cfe-commits]

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@@ -0,0 +1,30 @@
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir
+// RUN: FileCheck --input-file=%t.cir %s -check-prefix=CIR
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm %s -o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s -check-prefix=LLVM
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm %s -o %t.ll
+// RUN: FileCheck --input-file=%t.ll %s -check-prefix=OGCG
+
+// Test address space 1
+// CIR: cir.func dso_local @foo(%arg0: !cir.ptr<!s32i, target_address_space(1)>
+// LLVM: define dso_local void @foo(ptr addrspace(1) %0)
+// OGCG: define dso_local void @foo(ptr addrspace(1) noundef %arg)
+void foo(int __attribute__((address_space(1))) *arg) {
+  return;
+}
+
+// Test explicit address space 0 (should be same as default)
+// CIR: cir.func dso_local @bar(%arg0: !cir.ptr<!s32i, target_address_space(0)>
+// LLVM: define dso_local void @bar(ptr %0)
+// OGCG: define dso_local void @bar(ptr noundef %arg)
+void bar(int __attribute__((address_space(0))) *arg) {
+  return;
+}
+
+// Test default address space (no attribute)
+// CIR: cir.func dso_local @baz(%arg0: !cir.ptr<!s32i>
+// LLVM: define dso_local void @baz(ptr %0)
+// OGCG: define dso_local void @baz(ptr noundef %arg)
+void baz(int *arg) {
+  return;
+}
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andykaylor wrote:

The symbol here means you're missing a newline at the end of the file.

https://github.com/llvm/llvm-project/pull/161028