[llvm] [SPIRV] Allow __spirv_SpecConstant in Vulkan shaders (PR #143543)

[Nathan Gauër via llvm-commits]

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@@ -0,0 +1,90 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv1.6-unknown-vulkan1.3-compute %s -o - | FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv1.6-unknown-vulkan1.3-compute %s -o - -filetype=obj | spirv-val %}
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Keenuts wrote:

add the target-env to `spirv-val`?

https://github.com/llvm/llvm-project/pull/143543