[llvm] [AMDGPU][True16][CodeGen] FLAT_load using D16 pseudo instruction (PR #114500)

Tue Feb 18 09:53:57 PST 2025

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `lld-x86_64-ubuntu-fast` running on `as-builder-4` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/33/builds/11530

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
69.720 [367/64/3500] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNDPPCombine.cpp.o
69.813 [366/64/3501] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAnnotateKernelFeatures.cpp.o
70.022 [365/64/3502] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULowerKernelArguments.cpp.o
70.163 [364/64/3503] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUWaitSGPRHazards.cpp.o
70.441 [363/64/3504] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUCombinerHelper.cpp.o
70.460 [362/64/3505] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURemoveIncompatibleFunctions.cpp.o
74.193 [361/64/3506] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPURegBankLegalizeRules.cpp.o
74.243 [360/64/3507] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULibCalls.cpp.o
74.285 [359/64/3508] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAtomicOptimizer.cpp.o
75.032 [358/64/3509] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o
FAILED: lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/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/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/lib/Target/AMDGPU -I/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU -I/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/include -I/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -fno-lifetime-dse -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/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o -MF lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o.d -o lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMCInstLower.cpp.o -c /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp: In member function ‘void AMDGPUMCInstLower::lowerT16D16Helper(const llvm::MachineInstr*, llvm::MCInst&) const’:
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp:126: error: ‘OPERAND_LAST’ is not a member of ‘llvm::AMDGPU::OpName’
  126 |   uint16_t OpName = AMDGPU::OpName::OPERAND_LAST;
      | 
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp:129: error: cannot convert ‘llvm::AMDGPU::OpName’ to ‘uint16_t’ {aka ‘short unsigned int’} in assignment
  129 |       OpName = llvm::AMDGPU::OpName::vdst;
      | 
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp:131: error: cannot convert ‘llvm::AMDGPU::OpName’ to ‘uint16_t’ {aka ‘short unsigned int’} in assignment
  131 |       OpName = llvm::AMDGPU::OpName::data0;
      | 
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp:136: error: cannot convert ‘llvm::AMDGPU::OpName’ to ‘uint16_t’ {aka ‘short unsigned int’} in assignment
  135 |     OpName = AMDGPU::hasNamedOperand(Opcode, llvm::AMDGPU::OpName::vdata)
      |     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  136 |                  ? llvm::AMDGPU::OpName::vdata
      |                  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  137 |                  : llvm::AMDGPU::OpName::vdst;
      | 
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp:141: error: cannot convert ‘uint16_t’ {aka ‘short unsigned int’} to ‘llvm::AMDGPU::OpName’
  141 |   int VDstOrVDataIdx = AMDGPU::getNamedOperandIdx(Opcode, OpName);
      | 
In file included from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h:24,
                 from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/SIInstrInfo.h:20,
                 from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/GCNSubtarget.h:22,
                 from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h:17,
                 from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.h:18,
                 from /home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/llvm-project/llvm/lib/Target/AMDGPU/AMDGPUMCInstLower.cpp:15:
/home/buildbot/worker/as-builder-4/ramdisk/lld-x86_64/build/lib/Target/AMDGPU/AMDGPUGenInstrInfo.inc:135914: note:   initializing argument 2 of ‘int16_t llvm::AMDGPU::getNamedOperandIdx(uint16_t, llvm::AMDGPU::OpName)’
135914 | int16_t getNamedOperandIdx(uint16_t Opcode, OpName Name);
       | 
75.622 [358/63/3510] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUMIRFormatter.cpp.o
76.156 [358/62/3511] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600ClauseMergePass.cpp.o
77.094 [358/61/3512] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUResourceUsageAnalysis.cpp.o
77.230 [358/60/3513] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUPromoteAlloca.cpp.o
77.324 [358/59/3514] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPULateCodeGenPrepare.cpp.o
77.424 [358/58/3515] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/R600AsmPrinter.cpp.o
77.672 [358/57/3516] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/AMDGPUAlwaysInlinePass.cpp.o
77.812 [358/56/3517] Building CXX object lib/Target/AMDGPU/CMakeFiles/LLVMAMDGPUCodeGen.dir/GCNRewritePartialRegUses.cpp.o

```

</details>

https://github.com/llvm/llvm-project/pull/114500