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| author | David Majnemer <david.majnemer@gmail.com> | 2015-03-27 04:17:07 +0000 |
|---|---|---|
| committer | David Majnemer <david.majnemer@gmail.com> | 2015-03-27 04:17:07 +0000 |
| commit | db573736fdcd5cb377c2e585039beaf665bcf64b (patch) | |
| tree | a3d4d6f3cf17bdf21398abcf9f6cb397256d830b /docs | |
| parent | 6284bcd95b6f9c1fcf54985c8361640044067987 (diff) | |
WinEH: Create a parent frame alloca for HandlerType xdata tables
We don't have any logic to emit those tables yet, so the SDAG lowering
of this intrinsic is just a stub. We can see the intrinsic in the
prepared IR, though.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233354 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/ExceptionHandling.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/docs/ExceptionHandling.rst b/docs/ExceptionHandling.rst index 21de19b075..26774e63ed 100644 --- a/docs/ExceptionHandling.rst +++ b/docs/ExceptionHandling.rst @@ -551,6 +551,17 @@ This object is used by Windows native exception handling on non-x86 platforms where xdata unwind information is used. It is typically an 8 byte chunk of memory treated as two 32-bit integers. +``llvm.eh.parentframe`` +---------------------- + +.. code-block:: llvm + + void @llvm.eh.parentframe(i8*) + +This intrinsic designates the provided static alloca as the object which holds +the address of the parent frame. +This object is used by Windows native exception handling on non-x86 platforms +where xdata unwind information is used. SJLJ Intrinsics --------------- |