================
@@ -0,0 +1,37 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv-unknown-unknown %s -o - | 
FileCheck %s
+; RUN: %if spirv-tools %{ llc -O0 -mtriple=spirv-unknown-unknown %s -o - 
-filetype=obj | spirv-val %}
----------------
farzonl wrote:

Do you have spirv-tools installed?

There is an error in DXCs SPIRV backend
`error: firstbithigh is currently limited to 32-bit width components when 
targetting SPIR-V`

That makes me think there might be a problem with non 32 bit width values that 
you use in this test. short of running the shader I don't know how to confirm. 
Maybe someone with more knowledge could weigh in. 

https://github.com/llvm/llvm-project/pull/111082
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