| Issue |
56446
|
| Summary |
-emit-fir fails when input contains 128-bit integer literals
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
tarunprabhu
|
Minimum reproducer
```
subroutine s(n)
integer(kind = 16) :: n
n = 9223372036854775808_16
end subroutine s
```
This results in the following output
```
[$] flang-new -fc1 -emit-mlir -o - i128.f90
flang-new: /work/projects/flang/llvm-project/llvm/include/llvm/ADT/APInt.h:1481: int64_t llvm::APInt::getSExtValue() const: Assertion `getSignificantBits() <= 64 && "Too many bits for int64_t"' failed.
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace.
Stack dump:
0. Program arguments: ../local/bin/flang-new -fc1 -emit-mlir -o - i128.f90
#0 0x0000563dbc21eaa4 PrintStackTraceSignalHandler(void*) Signals.cpp:0:0
#1 0x0000563dbc21c00b SignalHandler(int) Signals.cpp:0:0
#2 0x00007f124d7eb8e0 (/usr/lib/libc.so.6+0x3e8e0)
#3 0x00007f124d83b36c (/usr/lib/libc.so.6+0x8e36c)
#4 0x00007f124d7eb838 gsignal (/usr/lib/libc.so.6+0x3e838)
#5 0x00007f124d7d5535 abort (/usr/lib/libc.so.6+0x28535)
#6 0x00007f124d7d545c (/usr/lib/libc.so.6+0x2845c)
#7 0x00007f124d7e4366 (/usr/lib/libc.so.6+0x37366)
#8 0x0000563dbfe25c6f (../local/bin/flang-new+0x4c40c6f)
#9 0x0000563dbe5c23c7 mlir::arith::ConstantOp::getAsmResultNames(llvm::function_ref<void (mlir::Value, llvm::StringRef)>) (../local/bin/flang-new+0x33dd3c7)
#10 0x0000563dbe5c611f mlir::detail::OpAsmOpInterfaceInterfaceTraits::Model<mlir::arith::ConstantOp>::getAsmResultNames(mlir::detail::OpAsmOpInterfaceInterfaceTraits::Concept const*, mlir::Operation*, llvm::function_ref<void (mlir::Value, llvm::StringRef)>) (../local/bin/flang-new+0x33e111f)
#11 0x0000563dbfe03c90 (anonymous namespace)::SSANameState::numberValuesInOp(mlir::Operation&) AsmPrinter.cpp:0:0
#12 0x0000563dbfe06c95 (anonymous namespace)::SSANameState::SSANameState(mlir::Operation*, mlir::OpPrintingFlags const&) AsmPrinter.cpp:0:0
#13 0x0000563dbfe07a9e mlir::AsmState::AsmState(mlir::Operation*, mlir::OpPrintingFlags const&, llvm::DenseMap<mlir::Operation*, std::pair<unsigned int, unsigned int>, llvm::DenseMapInfo<mlir::Operation*, void>, llvm::detail::DenseMapPair<mlir::Operation*, std::pair<unsigned int, unsigned int>>>*) (../local/bin/flang-new+0x4c22a9e)
#14 0x0000563dbfe14f98 mlir::Operation::print(llvm::raw_ostream&, mlir::OpPrintingFlags const&) (../local/bin/flang-new+0x4c2ff98)
#15 0x0000563dbc912657 Fortran::frontend::CodeGenAction::executeAction() (../local/bin/flang-new+0x172d657)
#16 0x0000563dbc2406fc Fortran::frontend::FrontendAction::execute() (../local/bin/flang-new+0x105b6fc)
#17 0x0000563dbc2331d3 Fortran::frontend::CompilerInstance::executeAction(Fortran::frontend::FrontendAction&) (../local/bin/flang-new+0x104e1d3)
#18 0x0000563dbc2462ac Fortran::frontend::executeCompilerInvocation(Fortran::frontend::CompilerInstance*) (../local/bin/flang-new+0x10612ac)
#19 0x0000563dbbdb4ad8 fc1_main(llvm::ArrayRef<char const*>, char const*) (../local/bin/flang-new+0xbcfad8)
#20 0x0000563dbbd2ea4f main (../local/bin/flang-new+0xb49a4f)
#21 0x00007f124d7d6290 (/usr/lib/libc.so.6+0x29290)
#22 0x00007f124d7d634a __libc_start_main (/usr/lib/libc.so.6+0x2934a)
#23 0x0000563dbbdb3a55 _start /build/glibc/src/glibc/csu/../sysdeps/x86_64/start.S:117:0
zsh: IOT instruction (core dumped) flang-new -fc1 -emit-mlir -o - i128.f90
```
9223372036854775808_16 is the smallest number that triggers this bug. 9223372036854775807_16 works. In either case, `-emit-llvm` works.
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