| Issue |
159555
|
| Summary |
[Flang] crashes when using ieee function with assumed-rank arrays
|
| Labels |
flang:ir,
crash
|
| Assignees |
|
| Reporter |
k-arrows
|
Reproducer:
https://godbolt.org/z/P6oEsor1x
```f90
real :: r1(10), r2(10)
call s(r1, r2)
contains
subroutine s(x, y)
use, intrinsic :: ieee_arithmetic
real :: x(..), y(..)
print *, ieee_rem(x, y)
end subroutine
end
```
Backtrace:
```console
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
Stack dump:
0. Program arguments: /cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang -fc1 -triple x86_64-unknown-linux-gnu -S -mrelocation-model pic -pic-level 2 -pic-is-pie -target-cpu x86-64 -mllvm -x86-asm-syntax=intel -resource-dir /cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/lib/clang/22 -mframe-pointer=all -o /app/output.s -x f95 /app/example.f90
#0 0x0000000004238cc8 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x4238cc8)
#1 0x0000000004235e94 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#2 0x00007736e2a42520 (/lib/x86_64-linux-gnu/libc.so.6+0x42520)
#3 0x00000000054e19c2 (anonymous namespace)::ElementalOpConversion::matchAndRewrite(hlfir::ElementalOp, hlfir::ElementalOpAdaptor, mlir::ConversionPatternRewriter&) const BufferizeHLFIR.cpp:0:0
#4 0x00000000054dc55d llvm::LogicalResult mlir::ConversionPattern::dispatchTo1To1<mlir::OpConversionPattern<hlfir::ElementalOp>, hlfir::ElementalOp>(mlir::OpConversionPattern<hlfir::ElementalOp> const&, hlfir::ElementalOp, hlfir::ElementalOp::GenericAdaptor<llvm::ArrayRef<mlir::ValueRange>>, mlir::ConversionPatternRewriter&) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x54dc55d)
#5 0x00000000054dc5fb mlir::OpConversionPattern<hlfir::ElementalOp>::matchAndRewrite(mlir::Operation*, llvm::ArrayRef<mlir::ValueRange>, mlir::ConversionPatternRewriter&) const (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x54dc5fb)
#6 0x000000000813c3f2 mlir::ConversionPattern::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&) const (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x813c3f2)
#7 0x0000000008187e54 mlir::PatternApplicator::matchAndRewrite(mlir::Operation*, mlir::PatternRewriter&, llvm::function_ref<bool (mlir::Pattern const&)>, llvm::function_ref<void (mlir::Pattern const&)>, llvm::function_ref<llvm::LogicalResult (mlir::Pattern const&)>) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x8187e54)
#8 0x0000000008141562 (anonymous namespace)::OperationLegalizer::legalize(mlir::Operation*) DialectConversion.cpp:0:0
#9 0x0000000008141699 mlir::OperationConverter::convert(mlir::Operation*) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x8141699)
#10 0x0000000008141d40 mlir::OperationConverter::convertOperations(llvm::ArrayRef<mlir::Operation*>) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x8141d40)
#11 0x0000000008143e26 applyConversion(llvm::ArrayRef<mlir::Operation*>, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig, (anonymous namespace)::OpConversionMode) DialectConversion.cpp:0:0
#12 0x0000000008144055 mlir::applyFullConversion(mlir::Operation*, mlir::ConversionTarget const&, mlir::FrozenRewritePatternSet const&, mlir::ConversionConfig) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x8144055)
#13 0x00000000054d95b0 (anonymous namespace)::BufferizeHLFIR::runOnOperation() BufferizeHLFIR.cpp:0:0
#14 0x0000000009e6b6a1 mlir::detail::OpToOpPassAdaptor::run(mlir::Pass*, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x9e6b6a1)
#15 0x0000000009e6bb19 mlir::detail::OpToOpPassAdaptor::runPipeline(mlir::OpPassManager&, mlir::Operation*, mlir::AnalysisManager, bool, unsigned int, mlir::PassInstrumentor*, mlir::PassInstrumentation::PipelineParentInfo const*) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x9e6bb19)
#16 0x0000000009e6c579 mlir::PassManager::run(mlir::Operation*) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x9e6c579)
#17 0x00000000045378c1 Fortran::frontend::CodeGenAction::generateLLVMIR() (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x45378c1)
#18 0x000000000453cf38 Fortran::frontend::CodeGenAction::executeAction() (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x453cf38)
#19 0x00000000042974bd Fortran::frontend::FrontendAction::execute() (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x42974bd)
#20 0x000000000428444f Fortran::frontend::CompilerInstance::executeAction(Fortran::frontend::FrontendAction&) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x428444f)
#21 0x00000000042a044b Fortran::frontend::executeCompilerInvocation(Fortran::frontend::CompilerInstance*) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x42a044b)
#22 0x0000000002597ce2 fc1_main(llvm::ArrayRef<char const*>, char const*) (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x2597ce2)
#23 0x000000000242ee91 main (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x242ee91)
#24 0x00007736e2a29d90 (/lib/x86_64-linux-gnu/libc.so.6+0x29d90)
#25 0x00007736e2a29e40 __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x29e40)
#26 0x00000000025966d5 _start (/cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin/flang+0x25966d5)
flang-22: error: unable to execute command: Segmentation fault (core dumped)
flang-22: error: flang frontend command failed due to signal (use -v to see invocation)
flang version 22.0.0git (https://github.com/llvm/llvm-project.git 38f2a1cb9b25ef2967661865458d6a919ce82aaa)
Target: x86_64-unknown-linux-gnu
Thread model: posix
InstalledDir: /cefs/93/93e8d16aa784b1659a61a5b2_clang-llvmflang-trunk-20250918/bin
flang-22: note: diagnostic msg:
```
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