[clang] [CIR][HIP] Support managed variables (PR #230910)

[Arseniy Obolenskiy via cfe-commits]

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@@ -0,0 +1,97 @@
+// RUN: echo -n "GPU binary would be here." > %t
+
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -fclangir \
+// RUN:            -x hip -emit-cir %s -o %t.dev.cir
+// RUN: FileCheck --check-prefix=CIR-DEV --input-file=%t.dev.cir %s
+
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device -fclangir \
+// RUN:            -x hip -emit-llvm %s -o %t.dev.cir.ll
+// RUN: FileCheck --check-prefix=DEV --input-file=%t.dev.cir.ll %s
+
+// RUN: %clang_cc1 -triple amdgcn-amd-amdhsa -fcuda-is-device \
+// RUN:            -x hip -emit-llvm %s -o %t.dev.ll
+// RUN: FileCheck --check-prefix=DEV --input-file=%t.dev.ll %s
+
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir \
+// RUN:            -x hip -fhip-new-launch-api -fcuda-include-gpubinary %t \
+// RUN:            -emit-cir %s -o %t.host.cir
+// RUN: FileCheck --check-prefix=CIR-HOST --input-file=%t.host.cir %s
+
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir \
+// RUN:            -x hip -fhip-new-launch-api -fcuda-include-gpubinary %t \
+// RUN:            -emit-llvm %s -o %t.host.cir.ll
+// RUN: FileCheck --check-prefix=HOST --input-file=%t.host.cir.ll %s
+
+// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu \
+// RUN:            -x hip -fhip-new-launch-api -fcuda-include-gpubinary %t \
+// RUN:            -emit-llvm %s -o %t.host.ll
+// RUN: FileCheck --check-prefix=HOST --input-file=%t.host.ll %s
+
+#include "../CodeGenCUDA/Inputs/cuda.h"
----------------
aobolensk wrote:

That doesn't feel right...

HIPManaged is limited to `LangOpts = [HIP]` in Attr.td:

https://github.com/llvm/llvm-project/blob/8ab3bc521aa03e6de2fe4308cb9ec99c3c9ec908/clang/include/clang/Basic/Attr.td#L1616-L1621

https://github.com/llvm/llvm-project/pull/230910