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...to do initially. > > Long term, we could lower all potentially trapping operations to > intrinsics that we 'invoke' at the IR level. See also Peter Collingbourne's > proposal for iload and istore instructions here ( > http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-April/071732.html). > > With the outlining approach, in addition to noinline, we need to invent > another function attribute to prevent functionattrs from inferring nounwind > and readonly, or the optimizers will delete the invoke unwind edge or > entire call site. > > --- > > The nex...

..., which is what I propose to do initially. Long term, we could lower all potentially trapping operations to intrinsics that we 'invoke' at the IR level. See also Peter Collingbourne's proposal for iload and istore instructions here (http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-April/071732.html). With the outlining approach, in addition to noinline, we need to invent another function attribute to prevent functionattrs from inferring nounwind and readonly, or the optimizers will delete the invoke unwind edge or entire call site. --- The next challenge is actually catching the excep...