[clang] [llvm] [HLSL][SPIR-V] Add SV_DispatchThreadID semantic support (PR #82536)

[Natalie Chouinard via cfe-commits]

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@@ -1,28 +1,25 @@
-// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -emit-llvm -finclude-default-header -disable-llvm-passes -o - %s
+// RUN: %clang_cc1 -triple dxil-pc-shadermodel6.3-library -x hlsl -emit-llvm -finclude-default-header -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-DXIL
+// RUN: %clang_cc1 -triple spirv-linux-vulkan-library -x hlsl -emit-llvm -finclude-default-header -disable-llvm-passes -o - %s | FileCheck %s --check-prefixes=CHECK,CHECK-SPIRV
 
 // Make sure SV_DispatchThreadID translated into dx.thread.id.
 
-const RWBuffer<float> In;
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sudonatalie wrote:

I removed RWBuffer because it's not yet supported by the SPIR-V backend (#81036) and want to have tests for both

https://github.com/llvm/llvm-project/pull/82536