[clang] [SYCL] Basic code generation for SYCL kernel caller offload entry point functions. (PR #133030)

[Mariya Podchishchaeva via cfe-commits]

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@@ -0,0 +1,177 @@
+// RUN: %clang_cc1 -fsycl-is-host -emit-llvm -triple x86_64-unknown-linux-gnu %s -o - | FileCheck --check-prefixes=CHECK-HOST,CHECK-HOST-LINUX %s
+// RUN: %clang_cc1 -fsycl-is-device -emit-llvm -aux-triple x86_64-unknown-linux-gnu -triple amdgcn %s -o - | FileCheck --check-prefixes=CHECK-DEVICE,CHECK-AMDGCN %s
+// RUN: %clang_cc1 -fsycl-is-device -emit-llvm -aux-triple x86_64-unknown-linux-gnu -triple nvptx %s -o - | FileCheck --check-prefixes=CHECK-DEVICE,CHECK-NVPTX %s
+// RUN: %clang_cc1 -fsycl-is-device -emit-llvm -aux-triple x86_64-unknown-linux-gnu -triple spir64 %s -o - | FileCheck --check-prefixes=CHECK-DEVICE,CHECK-SPIR %s
+// RUN: %clang_cc1 -fsycl-is-host -emit-llvm -triple x86_64-pc-windows-msvc %s -o - | FileCheck --check-prefixes=CHECK-HOST,CHECK-HOST-WINDOWS %s
+// RUN: %clang_cc1 -fsycl-is-device -emit-llvm -aux-triple x86_64-pc-windows-msvc -triple amdgcn %s -o - | FileCheck --check-prefixes=CHECK-DEVICE,CHECK-AMDGCN %s
+// RUN: %clang_cc1 -fsycl-is-device -emit-llvm -aux-triple x86_64-pc-windows-msvc -triple nvptx %s -o - | FileCheck --check-prefixes=CHECK-DEVICE,CHECK-NVPTX %s
+// RUN: %clang_cc1 -fsycl-is-device -emit-llvm -aux-triple x86_64-pc-windows-msvc -triple spir64 %s -o - | FileCheck --check-prefixes=CHECK-DEVICE,CHECK-SPIR %s
+
+// Test the generation of SYCL kernel caller functions. These functions are
+// generated from functions declared with the sycl_kernel_entry_point attribute
+// and emited during device compilation. They are not emitted during device
+// compilation.
+
+template <typename name, typename Func>
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Fznamznon wrote:

Also, does it make sense to introduce a fake sycl.hpp header like done in the downstream? This will keep tests aligned and the test cases will be closer to the real case scenarios.

https://github.com/llvm/llvm-project/pull/133030