[llvm] [SPIR-V] Add SPV_INTEL_unstructured_loop_controls extension (PR #178799)

[Dmitry Sidorov via llvm-commits]

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@@ -0,0 +1,103 @@
+; RUN: llc -verify-machineinstrs -O0 -mtriple=spirv64-unknown-unknown --spirv-ext=+SPV_INTEL_unstructured_loop_controls %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
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MrSidims wrote:

spirv-val doesn't have useful checks for the extension, but at least it doesn't fail. So added the RUN line. Thanks for the suggestion!

https://github.com/llvm/llvm-project/pull/178799