[llvm] [SPIR-V] Add Vertex execution model (PR #142369)

[Steven Perron via llvm-commits]

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@@ -0,0 +1,12 @@
+; RUN: llc -O0 -mtriple=spirv-unknown-vulkan1.3-vertex %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-vulkan1.3-vertex %s -o - -filetype=obj | spirv-val %}
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s-perron wrote:

Can you add the target environment to `spirv-val` command?

https://github.com/llvm/llvm-project/pull/142369