[llvm] [SPIRV] Addition of extension SPV_KHR_non_semantic_info and SPV_KHR_relaxed_extended_instruction (PR #165302)

[via llvm-commits]

github-actions[bot] wrote:

<!--PREMERGE ADVISOR COMMENT: Linux-->
# :penguin: Linux x64 Test Results

* 3053 tests passed
* 7 tests skipped

All tests passed but another part of the build **failed**. Click on a failure below to see the details.

<details>
<summary>lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVEmitNonSemanticDI.cpp.o</summary>

```
FAILED: lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVEmitNonSemanticDI.cpp.o
sccache /opt/llvm/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GLIBCXX_USE_CXX11_ABI=1 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/lib/Target/SPIRV -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Target/SPIRV -I/home/gha/actions-runner/_work/llvm-project/llvm-project/build/include -I/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include -gmlt -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -pedantic -Wno-long-long -Wc++98-compat-extra-semi -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wno-pass-failed -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -std=c++17 -fvisibility=hidden  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVEmitNonSemanticDI.cpp.o -MF lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVEmitNonSemanticDI.cpp.o.d -o lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVEmitNonSemanticDI.cpp.o -c /home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Target/SPIRV/SPIRVEmitNonSemanticDI.cpp
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Target/SPIRV/SPIRVEmitNonSemanticDI.cpp:134:8: error: 'getAnalysisUsage' overrides a member function but is not marked 'override' [-Werror,-Winconsistent-missing-override]
134 |   void getAnalysisUsage(AnalysisUsage &AU) const;
|        ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/include/llvm/Pass.h:168:16: note: overridden virtual function is here
168 |   virtual void getAnalysisUsage(AnalysisUsage &) const;
|                ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Target/SPIRV/SPIRVEmitNonSemanticDI.cpp:340:16: error: variable 'Context' set but not used [-Werror,-Wunused-but-set-variable]
340 |   LLVMContext *Context;
|                ^
/home/gha/actions-runner/_work/llvm-project/llvm-project/llvm/lib/Target/SPIRV/SPIRVEmitNonSemanticDI.cpp:540:14: error: unused variable 'DummyDebugSrc' [-Werror,-Wunused-variable]
540 |     Register DummyDebugSrc;
|              ^~~~~~~~~~~~~
3 errors generated.
```
</details>

If these failures are unrelated to your changes (for example tests are broken or flaky at HEAD), please open an issue at https://github.com/llvm/llvm-project/issues and add the `infrastructure` label.

https://github.com/llvm/llvm-project/pull/165302