[clang] [llvm] [RISCV] Add Qualcomm uC Xqcisync (Sync Delay) extension (PR #132184)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-x86_64-linux-abi-test` running on `sie-linux-worker2` while building `clang,llvm` at step 6 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/8/builds/12857

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

```
Step 6 (build-unified-tree) failure: build (failure)
...
167.691 [4152/10/2961] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetObjectFile.cpp.o
170.497 [4151/10/2962] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVVectorMaskDAGMutation.cpp.o
173.228 [4150/10/2963] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVVectorPeephole.cpp.o
176.068 [4149/10/2964] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetMachine.cpp.o
176.176 [4148/10/2965] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o
176.994 [4147/10/2966] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVVLOptimizer.cpp.o
177.519 [4146/10/2967] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVVMV0Elimination.cpp.o
180.800 [4145/10/2968] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o
182.636 [4144/10/2969] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVZacasABIFix.cpp.o
184.526 [4143/10/2970] Building CXX object lib/Target/RISCV/AsmParser/CMakeFiles/LLVMRISCVAsmParser.dir/RISCVAsmParser.cpp.o
FAILED: lib/Target/RISCV/AsmParser/CMakeFiles/LLVMRISCVAsmParser.dir/RISCVAsmParser.cpp.o 
/opt/ccache/bin/g++ -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/home/buildbot/buildbot-root/abi-test/build/lib/Target/RISCV/AsmParser -I/home/buildbot/buildbot-root/abi-test/llvm/llvm/lib/Target/RISCV/AsmParser -I/home/buildbot/buildbot-root/abi-test/llvm/llvm/lib/Target/RISCV -I/home/buildbot/buildbot-root/abi-test/build/lib/Target/RISCV -I/home/buildbot/buildbot-root/abi-test/build/include -I/home/buildbot/buildbot-root/abi-test/llvm/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-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/RISCV/AsmParser/CMakeFiles/LLVMRISCVAsmParser.dir/RISCVAsmParser.cpp.o -MF lib/Target/RISCV/AsmParser/CMakeFiles/LLVMRISCVAsmParser.dir/RISCVAsmParser.cpp.o.d -o lib/Target/RISCV/AsmParser/CMakeFiles/LLVMRISCVAsmParser.dir/RISCVAsmParser.cpp.o -c /home/buildbot/buildbot-root/abi-test/llvm/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp
/home/buildbot/buildbot-root/abi-test/llvm/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp: In member function ‘bool {anonymous}::RISCVOperand::isUImm5Slist() const’:
/home/buildbot/buildbot-root/abi-test/llvm/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp:778:18: error: ‘VariantKind’ is not a member of ‘llvm::RISCVMCExpr’
  778 |     RISCVMCExpr::VariantKind VK = RISCVMCExpr::VK_None;
      |                  ^~~~~~~~~~~
/home/buildbot/buildbot-root/abi-test/llvm/llvm/lib/Target/RISCV/AsmParser/RISCVAsmParser.cpp:780:61: error: ‘VK’ was not declared in this scope
  780 |     bool IsConstantImm = evaluateConstantImm(getImm(), Imm, VK);
      |                                                             ^~
185.348 [4143/9/2971] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVCallLowering.cpp.o
189.656 [4143/8/2972] Building CXX object lib/Target/RISCV/MCTargetDesc/CMakeFiles/LLVMRISCVDesc.dir/RISCVBaseInfo.cpp.o
189.780 [4143/7/2973] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVLegalizerInfo.cpp.o
191.201 [4143/6/2974] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVPostLegalizerCombiner.cpp.o
191.230 [4143/5/2975] Building CXX object lib/Target/RISCV/Disassembler/CMakeFiles/LLVMRISCVDisassembler.dir/RISCVDisassembler.cpp.o
191.350 [4143/4/2976] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVRegisterBankInfo.cpp.o
192.822 [4143/3/2977] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVO0PreLegalizerCombiner.cpp.o
195.069 [4143/2/2978] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVPreLegalizerCombiner.cpp.o
199.551 [4143/1/2979] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVInstructionSelector.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/132184