search for: alloc_object

...uct is? I have my gc_allocate() method Note: There's absolutely nothing special about the name @llvm_gc_allocate, it's just a gentle suggestion. In fact, if you're using the "model 1" heap tracing strategy, you probably want to use something like this: %class.object* @alloc_object(%runtime.class* %vtable, i32 %nbytes) This way, the vtable pointer is guaranteed to be initialized before the collector can possibly see it. (A null vtable could be defended against in the collector, but that's an expensive spot to put a branch.) > but I have no idea how big the struct...

...method > > Note: There's absolutely nothing special about the name > @llvm_gc_allocate, it's just a gentle suggestion. In fact, if you're > using the "model 1" heap tracing strategy, you probably want to use > something like this: > > %class.object* @alloc_object(%runtime.class* %vtable, i32 %nbytes) an excellent idea. At the moment I am just doing structs not objects so that I can figure things out. > You can again use a constant expression here. Specifically: > > i32 ptrtoint(gep %mytype* null, i32 1 to i32) > > ConstantExpr has a helpe...

On Apr 21, 2008, at 6:23 PM, Gordon Henriksen wrote: > On Apr 21, 2008, at 20:09, Terence Parr wrote: > >> Ok, I *might* be getting this from the assembly code. ... From >> that, it will push/pop in functions? If so, that's easy enough. :) > > Yup! Sounds like you've got it. Yup, what i was missing and what somebody should add to the doc is that

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