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5d0d288
2013 May 08
1
[LLVMdev] Clarifying the state of setjmp/longjmp support in LLVM and Clang
I'm trying to make sense in the support for setjmp/longjmp in Clang and
LLVM, with only partial success. I'll try to summarize my findings in the
hope that someone can shed some light on why things are the way they are
and what I'm missing.
Clang.
Clang recognizes two forms of setjmp (all I say here applies to longjmp
similarly):
* __builtin_setjmp: gets lowered to calling the