| Issue |
152238
|
| Summary |
SystemZFrameLowering modifies underlying IR module
|
| Labels |
backend:SystemZ
|
| Assignees |
|
| Reporter |
arsenm
|
[This](https://github.com/llvm/llvm-project/blob/ee6afeb72ef2cee918c1338c926c481ad36aa915/llvm/lib/Target/SystemZ/SystemZFrameLowering.cpp#L577) may illegally modify the IR if `mcount` isn't already declared in the module.
It shouldn't be necessary to have an IR declaration, at this point only the symbol name should be be necessary to emit the call
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