[llvm] [RISCV] Initial codegen support for zvqdotq extension (PR #137039)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `premerge-monolithic-linux` running on `premerge-linux-1` while building `llvm` at step 6 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/153/builds/30986

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

```
Step 6 (build-unified-tree) failure: build (failure)
...
24.244 [4038/22/268] Linking CXX executable bin/OrcV2CBindingsIRTransforms
24.256 [4038/21/269] Linking CXX executable bin/LLJITWithRemoteDebugging
24.426 [4038/20/270] Linking CXX executable bin/SpeculativeJIT
24.912 [4038/19/271] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVFrameLowering.cpp.o
25.035 [4038/18/272] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVGatherScatterLowering.cpp.o
25.303 [4038/17/273] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVAsmPrinter.cpp.o
25.353 [4038/16/274] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVLegalizerInfo.cpp.o
25.501 [4038/15/275] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVPostLegalizerCombiner.cpp.o
25.577 [4038/14/276] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVO0PreLegalizerCombiner.cpp.o
25.855 [4038/13/277] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o
FAILED: lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes CCACHE_SLOPPINESS=pch_defines,time_macros /usr/bin/ccache /usr/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/build/buildbot/premerge-monolithic-linux/build/lib/Target/RISCV -I/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Target/RISCV -I/build/buildbot/premerge-monolithic-linux/build/include -I/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include -gmlt -fPIC -fno-semantic-interposition -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/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o -MF lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o.d -o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o -c /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp:6973:3: error: static assertion failed due to requirement 'RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP == 139'
  static_assert(
  ^
/build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp:6997:3: error: static assertion failed due to requirement 'RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP == 139'
  static_assert(
  ^
2 errors generated.
25.942 [4038/12/278] Building CXX object tools/llvm-exegesis/lib/RISCV/CMakeFiles/LLVMExegesisRISCV.dir/RISCVExegesisPostprocessing.cpp.o
25.970 [4038/11/279] Building CXX object tools/bolt/lib/Target/RISCV/CMakeFiles/LLVMBOLTTargetRISCV.dir/RISCVMCPlusBuilder.cpp.o
26.280 [4038/10/280] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/GISel/RISCVPreLegalizerCombiner.cpp.o
26.293 [4038/9/281] Linking CXX shared module tools/mlir/python_packages/mlir_core/mlir/_mlir_libs/_mlirPythonTestPybind11.cpython-310-x86_64-linux-gnu.so
27.020 [4038/8/282] Building CXX object lib/Target/RISCV/MCTargetDesc/CMakeFiles/LLVMRISCVDesc.dir/RISCVMCTargetDesc.cpp.o
27.708 [4038/7/283] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInstrInfo.cpp.o
27.840 [4038/6/284] Building CXX object tools/llvm-exegesis/lib/RISCV/CMakeFiles/LLVMExegesisRISCV.dir/RISCVExegesisPreprocessing.cpp.o
28.034 [4038/5/285] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetMachine.cpp.o
28.178 [4038/4/286] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o
31.723 [4038/3/287] Building CXX object tools/llvm-exegesis/lib/RISCV/CMakeFiles/LLVMExegesisRISCV.dir/Target.cpp.o
34.745 [4038/2/288] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelDAGToDAG.cpp.o
39.237 [4038/1/289] 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/137039