[llvm] [LLVM][ARM] Latency mutations for cortex m55, m7 and m85 (PR #115153)

Wed Nov 13 10:23:09 PST 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-ppc64le-rhel` running on `ppc64le-clang-rhel-test` while building `llvm` at step 5 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/145/builds/3147

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

```
Step 5 (build-unified-tree) failure: build (failure)
...
63.637 [888/54/5371] Building AArch64GenSubtargetInfo.inc...
64.692 [888/53/5372] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMFixCortexA57AES1742098Pass.cpp.o
64.870 [888/52/5373] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMMacroFusion.cpp.o
65.143 [888/51/5374] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMRegisterBankInfo.cpp.o
65.145 [888/50/5375] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMLoadStoreOptimizer.cpp.o
65.290 [888/49/5376] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMCallLowering.cpp.o
65.603 [888/48/5377] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/A15SDOptimizer.cpp.o
65.917 [888/47/5378] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMHazardRecognizer.cpp.o
66.054 [888/46/5379] Building RISCVGenDAGISel.inc...
66.100 [888/45/5380] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMSubtarget.cpp.o
FAILED: lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMSubtarget.cpp.o 
ccache /home/docker/llvm-external-buildbots/clang.17.0.6/bin/clang++ --gcc-toolchain=/gcc-toolchain/usr -DGTEST_HAS_RTTI=0 -DLLVM_EXPORTS -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/lib/Target/ARM -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/lib/Target/ARM -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/build/include -I/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror -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 -std=c++17 -fPIC  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -MD -MT lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMSubtarget.cpp.o -MF lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMSubtarget.cpp.o.d -o lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMSubtarget.cpp.o -c /home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/lib/Target/ARM/ARMSubtarget.cpp
/home/buildbots/llvm-external-buildbots/workers/ppc64le-clang-rhel-test/clang-ppc64le-rhel/llvm-project/llvm/lib/Target/ARM/ARMSubtarget.cpp:255:11: error: enumeration values 'CortexM55' and 'CortexM85' not handled in switch [-Werror,-Wswitch]
  255 |   switch (ARMProcFamily) {
      |           ^~~~~~~~~~~~~
1 error generated.
66.201 [888/44/5381] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMCallingConv.cpp.o
66.320 [888/43/5382] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/Thumb2SizeReduction.cpp.o
66.815 [888/42/5383] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMBaseRegisterInfo.cpp.o
66.863 [888/41/5384] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/MVELaneInterleavingPass.cpp.o
66.887 [888/40/5385] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/MVEGatherScatterLowering.cpp.o
67.176 [888/39/5386] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
67.372 [888/38/5387] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/Thumb1FrameLowering.cpp.o
67.875 [888/37/5388] Building AArch64GenInstrInfo.inc...
68.848 [888/36/5389] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMMCInstLower.cpp.o
69.280 [888/35/5390] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/MVETPAndVPTOptimisationsPass.cpp.o
69.578 [888/34/5391] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/MVETailPredication.cpp.o
69.907 [888/33/5392] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMParallelDSP.cpp.o
71.368 [888/32/5393] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMExpandPseudoInsts.cpp.o
71.590 [888/31/5394] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMLowOverheadLoops.cpp.o
71.731 [888/30/5395] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMInstructionSelector.cpp.o
71.929 [888/29/5396] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMConstantIslandPass.cpp.o
72.001 [888/28/5397] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMTargetMachine.cpp.o
72.075 [888/27/5398] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMAsmPrinter.cpp.o
72.224 [888/26/5399] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMFrameLowering.cpp.o
72.476 [888/25/5400] Building CXX object lib/Target/ARM/Disassembler/CMakeFiles/LLVMARMDisassembler.dir/ARMDisassembler.cpp.o
72.959 [888/24/5401] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMFastISel.cpp.o
74.933 [888/23/5402] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMTargetTransformInfo.cpp.o
74.935 [888/22/5403] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMISelDAGToDAG.cpp.o
76.644 [888/21/5404] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMBaseInstrInfo.cpp.o
77.792 [888/20/5405] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
78.781 [888/19/5406] Building AMDGPUGenPreLegalizeGICombiner.inc...
79.012 [888/18/5407] Building CXX object lib/Target/ARM/AsmParser/CMakeFiles/LLVMARMAsmParser.dir/ARMAsmParser.cpp.o
86.757 [888/17/5408] Building AMDGPUGenCallingConv.inc...
87.842 [888/16/5409] Building AMDGPUGenMCPseudoLowering.inc...
88.307 [888/15/5410] Building AMDGPUGenSubtargetInfo.inc...
88.501 [888/14/5411] Building AMDGPUGenPostLegalizeGICombiner.inc...
89.660 [888/13/5412] Building CXX object lib/Target/ARM/CMakeFiles/LLVMARMCodeGen.dir/ARMISelLowering.cpp.o
89.721 [888/12/5413] Building AMDGPUGenDisassemblerTables.inc...

```

</details>

https://github.com/llvm/llvm-project/pull/115153