[libc-commits] [libc] [libc] Make GPU `libm` use generic implementations (PR #98014)

Mon Jul 8 07:33:48 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `premerge-monolithic-linux` running on `premerge-linux-1` while building `libc` at step 6 "build-unified-tree".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/153/builds/2248

Here is the relevant piece of the build log for the reference:
```
Step 6 (build-unified-tree) failure: build (failure)
...
7.354 [462/58/867] Building CXX object compiler-rt/lib/interception/CMakeFiles/RTInterception.x86_64.dir/interception_win.cpp.o
7.354 [461/58/868] Building CXX object compiler-rt/lib/interception/CMakeFiles/RTInterception.x86_64.dir/interception_mac.cpp.o
7.355 [460/58/869] Building CXX object compiler-rt/lib/interception/CMakeFiles/RTInterception.x86_64.dir/interception_linux.cpp.o
7.355 [459/58/870] Building CXX object compiler-rt/lib/stats/CMakeFiles/clang_rt.stats_client-x86_64.dir/stats_client.cpp.o
7.356 [458/58/871] Building CXX object compiler-rt/lib/lsan/CMakeFiles/RTLSanCommon.x86_64.dir/lsan_common_fuchsia.cpp.o
7.356 [457/58/872] Building CXX object compiler-rt/lib/lsan/CMakeFiles/clang_rt.lsan-x86_64.dir/lsan_fuchsia.cpp.o
7.357 [456/58/873] Linking CXX static library compiler-rt/lib/sanitizer_common/tests/libRTSanitizerCommon.test.nolibc.x86_64.a
7.357 [455/58/874] Building CXX object compiler-rt/lib/lsan/CMakeFiles/clang_rt.lsan-x86_64.dir/lsan_mac.cpp.o
7.359 [454/58/875] Building CXX object compiler-rt/lib/lsan/CMakeFiles/clang_rt.lsan-x86_64.dir/lsan_malloc_mac.cpp.o
7.363 [453/58/876] Building CXX object libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o
FAILED: libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o 
/build/buildbot/premerge-monolithic-linux/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/build/buildbot/premerge-monolithic-linux/llvm-project/libc -isystem /build/buildbot/premerge-monolithic-linux/build/runtimes/runtimes-bins/libc/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 -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 -UNDEBUG -fpie -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -std=gnu++17 -MD -MT libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o -MF libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o.d -o libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o -c /build/buildbot/premerge-monolithic-linux/llvm-project/libc/src/stdio/printf_core/converter.cpp
clang++: /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/ADT/APInt.h:1503: uint64_t llvm::APInt::getZExtValue() const: Assertion `getActiveBits() <= 64 && "Too many bits for uint64_t"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0.	Program arguments: /build/buildbot/premerge-monolithic-linux/build/./bin/clang++ --target=x86_64-unknown-linux-gnu -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/build/buildbot/premerge-monolithic-linux/llvm-project/libc -isystem /build/buildbot/premerge-monolithic-linux/build/runtimes/runtimes-bins/libc/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 -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 -UNDEBUG -fpie -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -std=gnu++17 -MD -MT libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o -MF libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o.d -o libc/src/stdio/printf_core/CMakeFiles/libc.src.stdio.printf_core.converter.dir/converter.cpp.o -c /build/buildbot/premerge-monolithic-linux/llvm-project/libc/src/stdio/printf_core/converter.cpp
1.	<eof> parser at end of file
2.	Optimizer
3.	Running pass "require<globals-aa>,function(invalidate<aa>),require<profile-summary>,cgscc(devirt<4>(inline,function-attrs<skip-non-recursive-function-attrs>,argpromotion,openmp-opt-cgscc,function<eager-inv;no-rerun>(sroa<modify-cfg>,early-cse<memssa>,speculative-execution<only-if-divergent-target>,jump-threading,correlated-propagation,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,aggressive-instcombine,libcalls-shrinkwrap,tailcallelim,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,reassociate,constraint-elimination,loop-mssa(loop-instsimplify,loop-simplifycfg,licm<no-allowspeculation>,loop-rotate<header-duplication;no-prepare-for-lto>,licm<allowspeculation>,simple-loop-unswitch<nontrivial;trivial>),simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,loop(loop-idiom,indvars,simple-loop-unswitch<nontrivial;trivial>,loop-deletion,loop-unroll-full),sroa<modify-cfg>,vector-combine,mldst-motion<no-split-footer-bb>,gvn<>,sccp,bdce,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,jump-threading,correlated-propagation,adce,memcpyopt,dse,move-auto-init,loop-mssa(licm<allowspeculation>),coro-elide,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>),function-attrs,function(require<should-not-run-function-passes>),coro-split)),function(invalidate<should-not-run-function-passes>),cgscc(devirt<4>())" on module "/build/buildbot/premerge-monolithic-linux/llvm-project/libc/src/stdio/printf_core/converter.cpp"
4.	Running pass "cgscc(devirt<4>(inline,function-attrs<skip-non-recursive-function-attrs>,argpromotion,openmp-opt-cgscc,function<eager-inv;no-rerun>(sroa<modify-cfg>,early-cse<memssa>,speculative-execution<only-if-divergent-target>,jump-threading,correlated-propagation,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,aggressive-instcombine,libcalls-shrinkwrap,tailcallelim,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,reassociate,constraint-elimination,loop-mssa(loop-instsimplify,loop-simplifycfg,licm<no-allowspeculation>,loop-rotate<header-duplication;no-prepare-for-lto>,licm<allowspeculation>,simple-loop-unswitch<nontrivial;trivial>),simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;no-hoist-common-insts;no-sink-common-insts;speculate-blocks;simplify-cond-branch>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,loop(loop-idiom,indvars,simple-loop-unswitch<nontrivial;trivial>,loop-deletion,loop-unroll-full),sroa<modify-cfg>,vector-combine,mldst-motion<no-split-footer-bb>,gvn<>,sccp,bdce,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>,jump-threading,correlated-propagation,adce,memcpyopt,dse,move-auto-init,loop-mssa(licm<allowspeculation>),coro-elide,simplifycfg<bonus-inst-threshold=1;no-forward-switch-cond;switch-range-to-icmp;no-switch-to-lookup;keep-loops;hoist-common-insts;sink-common-insts;speculate-blocks;simplify-cond-branch>,instcombine<max-iterations=1;no-use-loop-info;no-verify-fixpoint>),function-attrs,function(require<should-not-run-function-passes>),coro-split))" on module "/build/buildbot/premerge-monolithic-linux/llvm-project/libc/src/stdio/printf_core/converter.cpp"
5.	Running pass "loop(loop-idiom,indvars,simple-loop-unswitch<nontrivial;trivial>,loop-deletion,loop-unroll-full)" on function "_ZN22__llvm_libc_19_0_0_git13FloatToStringIeLi0EE12init_convertEv"
 #0 0x000055afec120138 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Support/Unix/Signals.inc:723:13
 #1 0x000055afec11dc6e llvm::sys::RunSignalHandlers() /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Support/Signals.cpp:106:18
 #2 0x000055afec088c16 HandleCrash /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:73:5
 #3 0x000055afec088c16 CrashRecoverySignalHandler(int) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Support/CrashRecoveryContext.cpp:390:51
 #4 0x00007849586e1520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
 #5 0x00007849587359fc pthread_kill (/lib/x86_64-linux-gnu/libc.so.6+0x969fc)
 #6 0x00007849586e1476 gsignal (/lib/x86_64-linux-gnu/libc.so.6+0x42476)
 #7 0x00007849586c77f3 abort (/lib/x86_64-linux-gnu/libc.so.6+0x287f3)
 #8 0x00007849586c771b (/lib/x86_64-linux-gnu/libc.so.6+0x2871b)
 #9 0x00007849586d8e96 (/lib/x86_64-linux-gnu/libc.so.6+0x39e96)
#10 0x000055afedbc07dd (/build/buildbot/premerge-monolithic-linux/build/./bin/clang+++0x98557dd)
#11 0x000055afedbb1157 detectShiftUntilLessThanIdiom /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp:1607:14
#12 0x000055afedbb1157 recognizeShiftUntilLessThan /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp:2016:8
#13 0x000055afedbb1157 (anonymous namespace)::LoopIdiomRecognize::runOnNoncountableLoop() /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp:1493:10
#14 0x000055afedbaf9ce llvm::LoopIdiomRecognizePass::run(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Transforms/Scalar/LoopIdiomRecognize.cpp:270:7
#15 0x000055afed7744dd llvm::detail::PassModel<llvm::Loop, llvm::LoopIdiomRecognizePass, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>::run(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:5
#16 0x000055afebf7bb73 skipCurrentLoop /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h:237:41
#17 0x000055afebf7bb73 std::optional<llvm::PreservedAnalyses> llvm::PassManager<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>::runSinglePass<llvm::Loop, std::unique_ptr<llvm::detail::PassConcept<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>, std::default_delete<llvm::detail::PassConcept<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>>>>(llvm::Loop&, std::unique_ptr<llvm::detail::PassConcept<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>, std::default_delete<llvm::detail::PassConcept<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>>>&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&, llvm::PassInstrumentation&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h:378:9
#18 0x000055afebf7b7d2 llvm::PassManager<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>::runWithoutLoopNestPasses(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Transforms/Scalar/LoopPassManager.cpp:161:9
#19 0x000055afebf7ae72 llvm::PassManager<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>::run(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Transforms/Scalar/LoopPassManager.cpp:0:32
#20 0x000055afed65fe0d llvm::detail::PassModel<llvm::Loop, llvm::PassManager<llvm::Loop, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&>::run(llvm::Loop&, llvm::AnalysisManager<llvm::Loop, llvm::LoopStandardAnalysisResults&>&, llvm::LoopStandardAnalysisResults&, llvm::LPMUpdater&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:5
#21 0x000055afebf7cbf1 skipCurrentLoop /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/Transforms/Scalar/LoopPassManager.h:237:41
#22 0x000055afebf7cbf1 llvm::FunctionToLoopPassAdaptor::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Transforms/Scalar/LoopPassManager.cpp:309:17
#23 0x000055afe9defa4d llvm::detail::PassModel<llvm::Function, llvm::FunctionToLoopPassAdaptor, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:5
#24 0x000055afebb6722a llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/IR/PassManagerImpl.h:85:8
#25 0x000055afe9de9b9d llvm::detail::PassModel<llvm::Function, llvm::PassManager<llvm::Function, llvm::AnalysisManager<llvm::Function>>, llvm::AnalysisManager<llvm::Function>>::run(llvm::Function&, llvm::AnalysisManager<llvm::Function>&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:5
#26 0x000055afeb18ac72 llvm::CGSCCToFunctionPassAdaptor::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/lib/Analysis/CGSCCPassManager.cpp:0:38
#27 0x000055afe9e0c67d llvm::detail::PassModel<llvm::LazyCallGraph::SCC, llvm::CGSCCToFunctionPassAdaptor, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&>::run(llvm::LazyCallGraph::SCC&, llvm::AnalysisManager<llvm::LazyCallGraph::SCC, llvm::LazyCallGraph&>&, llvm::LazyCallGraph&, llvm::CGSCCUpdateResult&) /build/buildbot/premerge-monolithic-linux/llvm-project/llvm/include/llvm/IR/PassManagerInternal.h:90:5

```

https://github.com/llvm/llvm-project/pull/98014