[llvm] [SPIR-V] Complete SPV_INTEL_16bit_atomics extension support (PR #184312)

[Marcos Maronas via llvm-commits]

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@@ -0,0 +1,38 @@
+; RUN: not llc -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_KHR_bfloat16 %s -o %t.spvt 2>&1 | FileCheck %s --check-prefix=CHECK-ERROR
+
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_INTEL_16bit_atomics,+SPV_KHR_bfloat16 %s -o - | FileCheck %s
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maarquitos14 wrote:

We can skip _for now_, but usually that means we skip _forever_ haha

It is just adding a line, if it fails, we can leave a FIXME/TODO for the future, but I'd like the test to be present if it's relevant for Shader env as well.

https://github.com/llvm/llvm-project/pull/184312