diff options
| author | Jim Grosbach <grosbach@apple.com> | 2010-10-19 23:27:08 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2010-10-19 23:27:08 +0000 |
| commit | e4ad387a5a88dae20f0f7578e55170bbc8eee2a9 (patch) | |
| tree | f9c3cee8133510908555374961d222159566e233 /include/llvm/CodeGen | |
| parent | db4708cf86cece22539ff022cc0601612dd02ead (diff) | |
Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any
setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116879 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/CodeGen')
| -rw-r--r-- | include/llvm/CodeGen/ISDOpcodes.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/llvm/CodeGen/ISDOpcodes.h b/include/llvm/CodeGen/ISDOpcodes.h index 2e23f4e44e..76829b78eb 100644 --- a/include/llvm/CodeGen/ISDOpcodes.h +++ b/include/llvm/CodeGen/ISDOpcodes.h @@ -107,6 +107,13 @@ namespace ISD { // and returns an outchain. EH_SJLJ_LONGJMP, + // OUTCHAIN = EH_SJLJ_DISPATCHSETUP(INCHAIN, context) + // This corresponds to the eh.sjlj.dispatchsetup intrinsic. It takes an + // incput chain and a pointer to the sjlj function context as inputs and + // returns an outchain. By default, this does nothing. Targets can lower + // this to unwind setup code if needed. + EH_SJLJ_DISPATCHSETUP, + // TargetConstant* - Like Constant*, but the DAG does not do any folding, // simplification, or lowering of the constant. They are used for constants // which are known to fit in the immediate fields of their users, or for |