| Issue |
98113
|
| Summary |
Assertion `TFI->hasReservedCallFrame(MF) && "Cannot use SP to access the emergency spill slot in " "functions without a reserved call frame"' failed.
|
| Labels |
llvm:codegen,
llvm:crash
|
| Assignees |
|
| Reporter |
thevinster
|
I'm debugging a crash that's happening in the Prologue/Epilogue Insertion & Frame Finalization backend with an assertion failure of the following:
```
virtual bool llvm::ARMBaseRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator, int, unsigned int, RegScavenger *) const: Assertion `TFI->hasReservedCallFrame(MF) && "Cannot use SP to access the emergency spill slot in " "functions without a reserved call frame"' failed.
```
I'm able to reduce the crash to this [IR](https://gist.github.com/thevinster/8eed8d9ac10986b13d24866db874d4b3). Running `llc` on this file with `-O0` on this input crashes on both LLVM main and on release/18.x.
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