[clang] [llvm] [HLSL][DXIL][SPRIV] Added `GroupMemoryBarrier()` (PR #185383)

[Steven Perron via cfe-commits]

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@@ -0,0 +1,14 @@
+; RUN: llc -O0 -verify-machineinstrs -mtriple=spirv-unknown-vulkan %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan %s -o - -filetype=obj | spirv-val %}
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s-perron wrote:

Can we add `--target-env` to the spirv-val command? There are sometime environment specific validation rules that we need to make sure we follow.

https://github.com/llvm/llvm-project/pull/185383