[llvm] [RISCV][TTI] Use processShuffleMask for shuffle legalization estimate (PR #136191)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Tue Apr 22 10:52:48 PDT 2025 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-fuzzer` running on `sanitizer-buildbot12` while building `llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/159/builds/20662

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

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[3/74] Generating VCSVersion.inc
[4/60] Linking CXX shared module unittests/Support/DynamicLibrary/PipSqueak.so
[5/60] Linking CXX shared module unittests/Analysis/InlineOrderPlugin.so
[6/60] Generating VCSVersion.inc
[7/58] Linking CXX shared module unittests/Analysis/InlineAdvisorPlugin.so
[8/58] Linking CXX shared module unittests/Support/DynamicLibrary/SecondLib.so
[9/58] Linking CXX shared module unittests/Passes/Plugins/TestPlugin.so
[10/58] Linking CXX shared module unittests/Passes/Plugins/DoublerPlugin.so
[11/58] Linking CXX executable bin/llvm-config
[12/58] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o
FAILED: lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/Target/RISCV -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/include -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/include -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 -std=c++17 -fvisibility=hidden  -fno-exceptions -funwind-tables -fno-rtti -MD -MT lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o -MF lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o.d -o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o -c /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp:710:11: error: no matching function for call to 'costShuffleViaSplitting'
  710 |           costShuffleViaSplitting(*this, LT.second, FVTp, Mask, CostKind);
      |           ^~~~~~~~~~~~~~~~~~~~~~~
/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp:392:24: note: candidate function not viable: 1st argument ('const llvm::RISCVTTIImpl') would lose const qualifier
  392 | static InstructionCost costShuffleViaSplitting(RISCVTTIImpl &TTI, MVT LegalVT,
      |                        ^                       ~~~~~~~~~~~~~~~~~
1 error generated.
ninja: build stopped: subcommand failed.
Step 7 (stage1 build all) failure: stage1 build all (failure)
...
[3/74] Generating VCSVersion.inc
[4/60] Linking CXX shared module unittests/Support/DynamicLibrary/PipSqueak.so
[5/60] Linking CXX shared module unittests/Analysis/InlineOrderPlugin.so
[6/60] Generating VCSVersion.inc
[7/58] Linking CXX shared module unittests/Analysis/InlineAdvisorPlugin.so
[8/58] Linking CXX shared module unittests/Support/DynamicLibrary/SecondLib.so
[9/58] Linking CXX shared module unittests/Passes/Plugins/TestPlugin.so
[10/58] Linking CXX shared module unittests/Passes/Plugins/DoublerPlugin.so
[11/58] Linking CXX executable bin/llvm-config
[12/58] Building CXX object lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o
FAILED: lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o 
CCACHE_CPP2=yes CCACHE_HASHDIR=yes /usr/bin/ccache /usr/bin/clang++ -DGTEST_HAS_RTTI=0 -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/lib/Target/RISCV -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm_build0/include -I/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/include -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 -std=c++17 -fvisibility=hidden  -fno-exceptions -funwind-tables -fno-rtti -MD -MT lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o -MF lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o.d -o lib/Target/RISCV/CMakeFiles/LLVMRISCVCodeGen.dir/RISCVTargetTransformInfo.cpp.o -c /home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp
/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp:710:11: error: no matching function for call to 'costShuffleViaSplitting'
  710 |           costShuffleViaSplitting(*this, LT.second, FVTp, Mask, CostKind);
      |           ^~~~~~~~~~~~~~~~~~~~~~~
/home/b/sanitizer-aarch64-linux-fuzzer/build/llvm-project/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp:392:24: note: candidate function not viable: 1st argument ('const llvm::RISCVTTIImpl') would lose const qualifier
  392 | static InstructionCost costShuffleViaSplitting(RISCVTTIImpl &TTI, MVT LegalVT,
      |                        ^                       ~~~~~~~~~~~~~~~~~
1 error generated.
ninja: build stopped: subcommand failed.
program finished with exit code 1
elapsedTime=15.996451

```

</details>

https://github.com/llvm/llvm-project/pull/136191

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