[llvm] [SPIR-V] Add SPIRV to LLVM_ALL_TARGETS (PR #119653)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `reverse-iteration` running on `hexagon-build-03` while building `.github,llvm` at step 5 "build".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/110/builds/3470

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 5 (build) failure: 'ninja -j16' (failure)
...
[2619/5555] Building SystemZGenDAGISel.inc...
[2620/5555] Building CXX object lib/Target/Sparc/MCTargetDesc/CMakeFiles/LLVMSparcDesc.dir/SparcMCExpr.cpp.o
[2621/5555] Building CXX object lib/Target/Sparc/Disassembler/CMakeFiles/LLVMSparcDisassembler.dir/SparcDisassembler.cpp.o
[2622/5555] Building CXX object lib/Target/Sparc/MCTargetDesc/CMakeFiles/LLVMSparcDesc.dir/SparcMCTargetDesc.cpp.o
[2623/5555] Building CXX object lib/Target/Sparc/AsmParser/CMakeFiles/LLVMSparcAsmParser.dir/SparcAsmParser.cpp.o
[2624/5555] Building CXX object lib/Target/Sparc/CMakeFiles/LLVMSparcCodeGen.dir/SparcISelLowering.cpp.o
[2625/5555] Building CXX object lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVCommandLine.cpp.o
[2626/5555] Building CXX object lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVMetadata.cpp.o
[2627/5555] Building CXX object lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVInstrInfo.cpp.o
[2628/5555] Building CXX object lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVInlineAsmLowering.cpp.o
FAILED: lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVInlineAsmLowering.cpp.o 
/local/clang+llvm-12.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/clang++ -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.obj/lib/Target/SPIRV -I/local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV -I/local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.obj/include -I/local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/include -stdlib=libc++ -fPIC -fvisibility-inlines-hidden -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 -Wmisleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG -fvisibility=hidden  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -MD -MT lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVInlineAsmLowering.cpp.o -MF lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVInlineAsmLowering.cpp.o.d -o lib/Target/SPIRV/CMakeFiles/LLVMSPIRVCodeGen.dir/SPIRVInlineAsmLowering.cpp.o -c /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVInlineAsmLowering.cpp
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVInlineAsmLowering.cpp:15:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVSubtarget.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVCallLowering.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.h:20:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h:19:
/local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVUtils.h:80:36: error: no template named 'unordered_map' in namespace 'std'; did you mean 'unordered_set'?
  using BlockToOrderInfoMap = std::unordered_map<BasicBlock *, OrderInfo>;
                              ~~~~~^~~~~~~~~~~~~
                                   unordered_set
/local/clang+llvm-12.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/../include/c++/v1/unordered_set:408:28: note: 'unordered_set' declared here
class _LIBCPP_TEMPLATE_VIS unordered_set
                           ^
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVInlineAsmLowering.cpp:15:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVSubtarget.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVCallLowering.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.h:20:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h:19:
/local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVUtils.h:411:15: error: no template named 'unordered_map' in namespace 'std'; did you mean 'unordered_set'?
  static std::unordered_map<std::string, FPDecorationId> Mapping = {
         ~~~~~^~~~~~~~~~~~~
              unordered_set
/local/clang+llvm-12.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/../include/c++/v1/unordered_set:408:28: note: 'unordered_set' declared here
class _LIBCPP_TEMPLATE_VIS unordered_set
                           ^
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVInlineAsmLowering.cpp:15:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVSubtarget.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVCallLowering.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.h:20:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h:19:
/local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVUtils.h:418:59: error: no member named 'second' in 'std::string'
  return It == Mapping.end() ? FPDecorationId::NONE : It->second;
                                                      ~~~~^
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVInlineAsmLowering.cpp:15:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVSubtarget.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVCallLowering.h:16:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVGlobalRegistry.h:20:
In file included from /local/mnt/workspace/bots/hexagon-build-03/reverse-iteration/llvm.src/llvm/lib/Target/SPIRV/SPIRVDuplicatesTracker.h:19:

```

</details>

https://github.com/llvm/llvm-project/pull/119653