[clang] [HLSL][NFC] Refactor structured buffer methods tests (PR #161908)

[Justin Bogner via cfe-commits]

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@@ -1,64 +1,112 @@
-// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-DXIL
-// RUN-DISABLED: %clang_cc1 -triple spirv-vulkan-library -x hlsl -emit-llvm -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-SPIRV
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -finclude-default-header -emit-llvm -disable-llvm-passes -o - %s | llvm-cxxfilt | FileCheck %s --check-prefixes=CHECK,DXIL
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bogner wrote:

Why change these from `CHECK-DXIL` and `CHECK-SPIRV` to `DXIL` and `SPV`? Is this for consistency with other tests? I personally find `CHECK-XYZ` type check prefixes clearer to read.

https://github.com/llvm/llvm-project/pull/161908