[llvm] [InstCombine] Transform high latency, dependent FSQRT/FDIV into FMUL (PR #87474)
LLVM Continuous Integration via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 16 23:15:30 PST 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-x86_64-linux-bootstrap-msan` running on `sanitizer-buildbot5` while building `llvm` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/164/builds/6527
<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)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 88351 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.
FAIL: LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll (67704 of 88351)
******************** TEST 'LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll' FAILED ********************
Exit Code: 2
Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S -passes='instcombine<no-verify-fixpoint>' < /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S '-passes=instcombine<no-verify-fixpoint>'
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
==700028==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x571614b1dbb5 in classof /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15
#1 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:64:53
#2 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:110:12
#3 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:137:12
#4 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:127:12
#5 0x571614b1dbb5 in isPossible /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:255:12
#6 0x571614b1dbb5 in isPossible /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:509:12
#7 0x571614b1dbb5 in isa<llvm::FPMathOperator, const llvm::Instruction *> /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:549:10
#8 0x571614b1dbb5 in llvm::Instruction::hasAllowReassoc() const /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/Instruction.cpp:603:3
#9 0x571616e4c11d in llvm::InstCombinerImpl::visitFDiv(llvm::BinaryOperator&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:2126:9
#10 0x571616caccca in llvm::InstCombinerImpl::run() /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5234:31
#11 0x571616cb70a1 in combineInstructionsOverFunction(llvm::Function&, llvm::InstructionWorklist&, llvm::AAResults*, llvm::AssumptionCache&, llvm::TargetLibraryInfo&, llvm::TargetTransformInfo&, llvm::DominatorTree&, llvm::OptimizationRemarkEmitter&, llvm::BlockFrequencyInfo*, llvm::BranchProbabilityInfo*, llvm::ProfileSummaryInfo*, llvm::InstCombineOptions const&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5551:37
#12 0x571616cb47e1 in llvm::InstCombinePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5614:8
#13 0x571618385721 in llvm::detail::PassModel<llvm::Function, llvm::InstCombinePass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#14 0x571614e6c930 in llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#15 0x5716183995b1 in llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#16 0x571614e7b982 in llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/PassManager.cpp:124:38
#17 0x571618383db1 in llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#18 0x571614e68e10 in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#19 0x57161822faa0 in llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::PassPlugin>, llvm::ArrayRef<std::__1::function<void (llvm::PassBuilder&)>>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:541:7
#20 0x5716147d9d4b in optMain /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/optdriver.cpp:739:12
#21 0x7b888b42a3b7 (/lib/x86_64-linux-gnu/libc.so.6+0x2a3b7) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
#22 0x7b888b42a47a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a47a) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
#23 0x57161472fba4 in _start (/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt+0x44f1ba4)
SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15 in classof
Exiting
FileCheck error: '<stdin>' is empty.
FileCheck command line: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
Step 11 (stage2/msan check) failure: stage2/msan check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 88351 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.
FAIL: LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll (67704 of 88351)
******************** TEST 'LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll' FAILED ********************
Exit Code: 2
Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S -passes='instcombine<no-verify-fixpoint>' < /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S '-passes=instcombine<no-verify-fixpoint>'
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
==700028==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x571614b1dbb5 in classof /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15
#1 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:64:53
#2 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:110:12
#3 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:137:12
#4 0x571614b1dbb5 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:127:12
#5 0x571614b1dbb5 in isPossible /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:255:12
#6 0x571614b1dbb5 in isPossible /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:509:12
#7 0x571614b1dbb5 in isa<llvm::FPMathOperator, const llvm::Instruction *> /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:549:10
#8 0x571614b1dbb5 in llvm::Instruction::hasAllowReassoc() const /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/Instruction.cpp:603:3
#9 0x571616e4c11d in llvm::InstCombinerImpl::visitFDiv(llvm::BinaryOperator&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:2126:9
#10 0x571616caccca in llvm::InstCombinerImpl::run() /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5234:31
#11 0x571616cb70a1 in combineInstructionsOverFunction(llvm::Function&, llvm::InstructionWorklist&, llvm::AAResults*, llvm::AssumptionCache&, llvm::TargetLibraryInfo&, llvm::TargetTransformInfo&, llvm::DominatorTree&, llvm::OptimizationRemarkEmitter&, llvm::BlockFrequencyInfo*, llvm::BranchProbabilityInfo*, llvm::ProfileSummaryInfo*, llvm::InstCombineOptions const&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5551:37
#12 0x571616cb47e1 in llvm::InstCombinePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5614:8
#13 0x571618385721 in llvm::detail::PassModel<llvm::Function, llvm::InstCombinePass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#14 0x571614e6c930 in llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#15 0x5716183995b1 in llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#16 0x571614e7b982 in llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/PassManager.cpp:124:38
#17 0x571618383db1 in llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#18 0x571614e68e10 in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#19 0x57161822faa0 in llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::PassPlugin>, llvm::ArrayRef<std::__1::function<void (llvm::PassBuilder&)>>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:541:7
#20 0x5716147d9d4b in optMain /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/optdriver.cpp:739:12
#21 0x7b888b42a3b7 (/lib/x86_64-linux-gnu/libc.so.6+0x2a3b7) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
#22 0x7b888b42a47a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a47a) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
#23 0x57161472fba4 in _start (/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt+0x44f1ba4)
SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15 in classof
Exiting
FileCheck error: '<stdin>' is empty.
FileCheck command line: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
Step 15 (stage2/msan_track_origins check) failure: stage2/msan_track_origins check (failure)
...
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/lld-link
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld64.lld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/wasm-ld
llvm-lit: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/main.py:72: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 88351 tests, 88 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.
FAIL: LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll (67577 of 88351)
******************** TEST 'LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll' FAILED ********************
Exit Code: 2
Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt -S -passes='instcombine<no-verify-fixpoint>' < /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll | /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt -S '-passes=instcombine<no-verify-fixpoint>'
+ /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
==2901731==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x55555a35cf49 in classof /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15
#1 0x55555a35cf49 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:64:53
#2 0x55555a35cf49 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:110:12
#3 0x55555a35cf49 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:137:12
#4 0x55555a35cf49 in doit /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:127:12
#5 0x55555a35cf49 in isPossible /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:255:12
#6 0x55555a35cf49 in isPossible /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:509:12
#7 0x55555a35cf49 in isa<llvm::FPMathOperator, const llvm::Instruction *> /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:549:10
#8 0x55555a35cf49 in llvm::Instruction::hasAllowReassoc() const /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/Instruction.cpp:603:3
#9 0x55555d5a0378 in llvm::InstCombinerImpl::visitFDiv(llvm::BinaryOperator&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:2126:9
#10 0x55555d34fb9e in llvm::InstCombinerImpl::run() /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5234:31
#11 0x55555d35d9c3 in combineInstructionsOverFunction(llvm::Function&, llvm::InstructionWorklist&, llvm::AAResults*, llvm::AssumptionCache&, llvm::TargetLibraryInfo&, llvm::TargetTransformInfo&, llvm::DominatorTree&, llvm::OptimizationRemarkEmitter&, llvm::BlockFrequencyInfo*, llvm::BranchProbabilityInfo*, llvm::ProfileSummaryInfo*, llvm::InstCombineOptions const&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5551:37
#12 0x55555d35a955 in llvm::InstCombinePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5614:8
#13 0x55555f4c9851 in llvm::detail::PassModel<llvm::Function, llvm::InstCombinePass, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#14 0x55555a82f05e in llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#15 0x55555f4eb801 in llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#16 0x55555a845329 in llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/PassManager.cpp:124:38
#17 0x55555f4c6ef1 in llvm::detail::PassModel<llvm::Module, llvm::ModuleToFunctionPassAdaptor, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:17
#18 0x55555a829cee in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#19 0x55555f2a822d in llvm::runPassPipeline(llvm::StringRef, llvm::Module&, llvm::TargetMachine*, llvm::TargetLibraryInfoImpl*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::ToolOutputFile*, llvm::StringRef, llvm::ArrayRef<llvm::PassPlugin>, llvm::ArrayRef<std::__1::function<void (llvm::PassBuilder&)>>, llvm::opt_tool::OutputKind, llvm::opt_tool::VerifierKind, bool, bool, bool, bool, bool, bool, bool) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:541:7
#20 0x555559e79ec3 in optMain /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/optdriver.cpp:739:12
#21 0x7ffff782a3b7 (/lib/x86_64-linux-gnu/libc.so.6+0x2a3b7) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
#22 0x7ffff782a47a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a47a) (BuildId: 5f3f024b472f38389da3a2f567b3d0eaa8835ca2)
#23 0x555559dca824 in _start (/home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt+0x4876824)
Uninitialized value was created by a heap deallocation
#0 0x555559e654c9 in operator delete(void*) /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_new_delete.cpp:80:44
#1 0x55555a355f77 in deleteNode /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Instruction.h:1055:6
#2 0x55555a355f77 in erase /home/b/sanitizer-x86_64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/ilist.h:205:5
```
</details>
https://github.com/llvm/llvm-project/pull/87474
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