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RuntimeLibcalls: Make sure _Unwind_Resume entries are mutually exclusive #164195

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RuntimeLibcalls: Make sure _Unwind_Resume entries are mutually exclusive #164195

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13 changes: 11 additions & 2 deletions llvm/include/llvm/IR/RuntimeLibcalls.td
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Original file line number Diff line number Diff line change
Expand Up @@ -59,6 +59,11 @@ def ExceptionModelIsNotNone : RuntimeLibcallPredicate<
[{ExceptionModel != ExceptionHandling::None}]
>;

def ExceptionModelHasUnwindResume : RuntimeLibcallPredicate<
[{ExceptionModel != ExceptionHandling::None &&
ExceptionModel != ExceptionHandling::SjLj}]
>;

def ExceptionModelIsSjLj : RuntimeLibcallPredicate<
[{ExceptionModel == ExceptionHandling::SjLj}]
>;
Expand Down Expand Up @@ -1153,8 +1158,10 @@ def __ssp_canary_word : RuntimeLibcallImpl<STACK_CHECK_GUARD>;
//===----------------------------------------------------------------------===//

defvar ExceptionModelCalls = (add
LibcallImpls<(add DefaultExceptionHandlingLibcalls),
LibcallImpls<(add __cxa_end_cleanup),
ExceptionModelIsNotNone>,
LibcallImpls<(add _Unwind_Resume),
ExceptionModelHasUnwindResume>,
LibcallImpls<(add SjLjExceptionHandlingLibcalls),
ExceptionModelIsSjLj>
);
Expand Down Expand Up @@ -1396,8 +1403,10 @@ defset list<RuntimeLibcallImpl> WinArm64ECSjLjExceptionHandlingLibcalls = {
}

defvar ExceptionModelCallsArm64EC = (add
LibcallImpls<(add WinArm64ECDefaultExceptionHandlingLibcalls),
LibcallImpls<(add arm64ec___cxa_end_cleanup),
ExceptionModelIsNotNone>,
LibcallImpls<(add arm64ec__Unwind_Resume),
ExceptionModelHasUnwindResume>,
LibcallImpls<(add WinArm64ECSjLjExceptionHandlingLibcalls),
ExceptionModelIsSjLj>
);
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