[clang] [Clang] diagnosing missing Vulkan environment when using SPIR-V triple (PR #190840)

[Tony Guillot via cfe-commits]

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@@ -0,0 +1,7 @@
+// RUN: not %clang -target spirv %s 2>&1 | FileCheck %s --check-prefix=CHECK-VULKAN
+// RUN: not %clang -target spirv-vulkan-mlibc %s 2>&1 | FileCheck %s --check-prefix=CHECK-SHADER
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to268 wrote:

The driver is the part where arguments are handled and the frontend the "actual compiler based stuff" as you said.
See:
https://clang.llvm.org/docs/InternalsManual.html#the-driver-library
https://clang.llvm.org/docs/InternalsManual.html#the-frontend-library

https://github.com/llvm/llvm-project/pull/190840