[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 23:28:46 PST 2025
llvm-ci wrote:
LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux-bootstrap-msan` running on `sanitizer-buildbot9` while building `llvm` at step 2 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/94/builds/3830
<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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-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: 85875 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.
FAIL: LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll (66015 of 85875)
******************** TEST 'LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll' FAILED ********************
Exit Code: 2
Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S -passes='instcombine<no-verify-fixpoint>' < /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S '-passes=instcombine<no-verify-fixpoint>'
==2473910==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0xad86c9ec055c in classof /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15
#1 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:64:53
#2 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:110:12
#3 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:137:12
#4 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:127:12
#5 0xad86c9ec055c in isPossible /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:255:12
#6 0xad86c9ec055c in isPossible /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:509:12
#7 0xad86c9ec055c in isa<llvm::FPMathOperator, const llvm::Instruction *> /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:549:10
#8 0xad86c9ec055c in llvm::Instruction::hasAllowReassoc() const /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/Instruction.cpp:603:3
#9 0xad86cbd342c4 in llvm::InstCombinerImpl::visitFDiv(llvm::BinaryOperator&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:2126:9
#10 0xad86cbbc89a4 in llvm::InstCombinerImpl::run() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5234:31
#11 0xad86cbbd0b34 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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5551:37
#12 0xad86cbbcef48 in llvm::InstCombinePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5614:8
#13 0xad86ca1a6d4c in llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#14 0xad86ca1b365c in llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/PassManager.cpp:124:38
#15 0xad86ca1a3b2c in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#16 0xad86ccdeddd0 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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:541:7
#17 0xad86c9bee5c4 in optMain /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/optdriver.cpp:739:12
#18 0xf1b138c684c0 (/lib/aarch64-linux-gnu/libc.so.6+0x284c0) (BuildId: 32fa4d6f3a8d5f430bdb7af2eb779470cd5ec7c2)
#19 0xf1b138c68594 in __libc_start_main (/lib/aarch64-linux-gnu/libc.so.6+0x28594) (BuildId: 32fa4d6f3a8d5f430bdb7af2eb779470cd5ec7c2)
#20 0xad86c9b4abec in _start (/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt+0x453abec)
SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/b/sanitizer-aarch64-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-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-aarch64-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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-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: 85875 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.
FAIL: LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll (66015 of 85875)
******************** TEST 'LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll' FAILED ********************
Exit Code: 2
Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S -passes='instcombine<no-verify-fixpoint>' < /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt -S '-passes=instcombine<no-verify-fixpoint>'
==2473910==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0xad86c9ec055c in classof /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15
#1 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:64:53
#2 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:110:12
#3 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:137:12
#4 0xad86c9ec055c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:127:12
#5 0xad86c9ec055c in isPossible /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:255:12
#6 0xad86c9ec055c in isPossible /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:509:12
#7 0xad86c9ec055c in isa<llvm::FPMathOperator, const llvm::Instruction *> /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:549:10
#8 0xad86c9ec055c in llvm::Instruction::hasAllowReassoc() const /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/Instruction.cpp:603:3
#9 0xad86cbd342c4 in llvm::InstCombinerImpl::visitFDiv(llvm::BinaryOperator&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:2126:9
#10 0xad86cbbc89a4 in llvm::InstCombinerImpl::run() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5234:31
#11 0xad86cbbd0b34 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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5551:37
#12 0xad86cbbcef48 in llvm::InstCombinePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5614:8
#13 0xad86ca1a6d4c in llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#14 0xad86ca1b365c in llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/PassManager.cpp:124:38
#15 0xad86ca1a3b2c in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#16 0xad86ccdeddd0 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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:541:7
#17 0xad86c9bee5c4 in optMain /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/optdriver.cpp:739:12
#18 0xf1b138c684c0 (/lib/aarch64-linux-gnu/libc.so.6+0x284c0) (BuildId: 32fa4d6f3a8d5f430bdb7af2eb779470cd5ec7c2)
#19 0xf1b138c68594 in __libc_start_main (/lib/aarch64-linux-gnu/libc.so.6+0x28594) (BuildId: 32fa4d6f3a8d5f430bdb7af2eb779470cd5ec7c2)
#20 0xad86c9b4abec in _start (/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/opt+0x453abec)
SUMMARY: MemorySanitizer: use-of-uninitialized-value /home/b/sanitizer-aarch64-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-aarch64-linux-bootstrap-msan/build/llvm_build_msan/bin/FileCheck /home/b/sanitizer-aarch64-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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using lld-link: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/lld-link
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using ld64.lld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/ld64.lld
llvm-lit: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/utils/lit/lit/llvm/config.py:506: note: using wasm-ld: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/wasm-ld
llvm-lit: /home/b/sanitizer-aarch64-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: 85875 tests, 72 workers --
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.
FAIL: LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll (65825 of 85875)
******************** TEST 'LLVM :: Transforms/InstCombine/fsqrtdiv-transform.ll' FAILED ********************
Exit Code: 2
Command Output (stderr):
--
RUN: at line 2: /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt -S -passes='instcombine<no-verify-fixpoint>' < /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll | /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt -S '-passes=instcombine<no-verify-fixpoint>'
+ /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/FileCheck /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/test/Transforms/InstCombine/fsqrtdiv-transform.ll
==2584980==WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0xaaaaaf83410c in classof /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Operator.h:356:15
#1 0xaaaaaf83410c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:64:53
#2 0xaaaaaf83410c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:110:12
#3 0xaaaaaf83410c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:137:12
#4 0xaaaaaf83410c in doit /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:127:12
#5 0xaaaaaf83410c in isPossible /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:255:12
#6 0xaaaaaf83410c in isPossible /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:509:12
#7 0xaaaaaf83410c in isa<llvm::FPMathOperator, const llvm::Instruction *> /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/Support/Casting.h:549:10
#8 0xaaaaaf83410c in llvm::Instruction::hasAllowReassoc() const /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/Instruction.cpp:603:3
#9 0xaaaab221b5c8 in llvm::InstCombinerImpl::visitFDiv(llvm::BinaryOperator&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:2126:9
#10 0xaaaab2026150 in llvm::InstCombinerImpl::run() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5234:31
#11 0xaaaab2030e00 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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5551:37
#12 0xaaaab202ecb8 in llvm::InstCombinePass::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp:5614:8
#13 0xaaaaafc43a10 in llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#14 0xaaaaafc5556c in llvm::ModuleToFunctionPassAdaptor::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/PassManager.cpp:124:38
#15 0xaaaaafc3f530 in llvm::PassManager<llvm::Module, llvm::AnalysisManager<llvm::Module>>::run(llvm::Module&, llvm::AnalysisManager<llvm::Module>&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:81:38
#16 0xaaaab39c88a0 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-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/NewPMDriver.cpp:541:7
#17 0xaaaaaf42a698 in optMain /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/tools/opt/optdriver.cpp:739:12
#18 0xfffff79884c0 (/lib/aarch64-linux-gnu/libc.so.6+0x284c0) (BuildId: 32fa4d6f3a8d5f430bdb7af2eb779470cd5ec7c2)
#19 0xfffff7988594 in __libc_start_main (/lib/aarch64-linux-gnu/libc.so.6+0x28594) (BuildId: 32fa4d6f3a8d5f430bdb7af2eb779470cd5ec7c2)
#20 0xaaaaaf3838ac in _start (/home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm_build_msan_track_origins/bin/opt+0x48e38ac)
Uninitialized value was created by a heap deallocation
#0 0xaaaaaf41a684 in operator delete(void*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/compiler-rt/lib/msan/msan_new_delete.cpp:80:44
#1 0xaaaaaf82d208 in deleteNode /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/IR/Instruction.h:1055:6
#2 0xaaaaaf82d208 in erase /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/include/llvm/ADT/ilist.h:205:5
#3 0xaaaaaf82d208 in llvm::Instruction::eraseFromParent() /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/IR/Instruction.cpp:96:37
#4 0xaaaab1fd94a4 in llvm::InstCombinerImpl::eraseInstFromFunction(llvm::Instruction&) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineInternal.h:484:7
#5 0xaaaab221f9c8 in convertFSqrtDivIntoFMul(llvm::CallInst*, llvm::Instruction*, llvm::SmallPtrSetImpl<llvm::Instruction*> const&, llvm::SmallPtrSetImpl<llvm::Instruction*> const&, llvm::IRBuilder<llvm::TargetFolder, llvm::IRBuilderCallbackInserter>&, llvm::InstCombinerImpl*) /home/b/sanitizer-aarch64-linux-bootstrap-msan/build/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp:2071:14
```
</details>
https://github.com/llvm/llvm-project/pull/87474
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