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

Wed May 7 11:47:44 PDT 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `bolt-x86_64-ubuntu-nfc` running on `bolt-worker` while building `llvm` at step 7 "build-bolt".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/92/builds/18330

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

```
Step 7 (build-bolt) failure: build (failure)
...
25.560 [43/18/34] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVDeadRegisterDefinitions.cpp.o
25.643 [42/18/35] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVExpandAtomicPseudoInsts.cpp.o
25.962 [41/18/36] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVCallingConv.cpp.o
26.436 [40/18/37] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVExpandPseudoInsts.cpp.o
26.489 [39/18/38] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVCodeGenPrepare.cpp.o
27.232 [38/18/39] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInsertVSETVLI.cpp.o
28.659 [37/18/40] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVFrameLowering.cpp.o
28.910 [36/18/41] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVGatherScatterLowering.cpp.o
29.449 [35/18/42] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVAsmPrinter.cpp.o
31.122 [34/18/43] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o
FAILED: lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelLowering.cpp.o 
ccache /usr/bin/c++ -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/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/build/lib/Target/RISCV -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/llvm-project/llvm/lib/Target/RISCV -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/build/include -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/llvm-project/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/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 /home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp: In function ‘bool hasPassthruOp(unsigned int)’:
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp:6974: error: static assertion failed
 6974 |       RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP == 139 &&
      | 
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp: In function ‘bool hasMaskOp(unsigned int)’:
/home/worker/bolt-worker2/bolt-x86_64-ubuntu-nfc/llvm-project/llvm/lib/Target/RISCV/RISCVISelLowering.cpp:6998: error: static assertion failed
 6998 |       RISCVISD::LAST_VL_VECTOR_OP - RISCVISD::FIRST_VL_VECTOR_OP == 139 &&
      | 
33.055 [34/17/44] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVPostRAExpandPseudoInsts.cpp.o
33.284 [34/16/45] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVSelectionDAGInfo.cpp.o
33.632 [34/15/46] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVInstrInfo.cpp.o
33.957 [34/14/47] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVRedundantCopyElimination.cpp.o
36.100 [34/13/48] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMachineFunctionInfo.cpp.o
36.324 [34/12/49] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVPushPopOptimizer.cpp.o
36.545 [34/11/50] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMoveMerger.cpp.o
36.696 [34/10/51] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMakeCompressible.cpp.o
37.021 [34/9/52] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVLoadStoreOptimizer.cpp.o
37.076 [34/8/53] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVMergeBaseOffset.cpp.o
37.956 [34/7/54] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVOptWInstrs.cpp.o
38.883 [34/6/55] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVSubtarget.cpp.o
38.914 [34/5/56] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVRegisterInfo.cpp.o
39.107 [34/4/57] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVISelDAGToDAG.cpp.o
39.393 [34/3/58] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetObjectFile.cpp.o
42.772 [34/2/59] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetMachine.cpp.o
44.397 [34/1/60] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o
ninja: build stopped: subcommand failed.

```

</details>

https://github.com/llvm/llvm-project/pull/137039