On Feb 1, 2008, at 8:07 PM, Evan Cheng wrote: > URL: http://llvm.org/viewvc/llvm-project?rev=46659&view=rev > Log: > SDIsel processes llvm.dbg.declare by recording the variable debug > information descriptor and its corresponding stack frame index in > MachineModuleInfo. This only works if the local variable is "homed" > in the stack frame. It does not work for byval parameter, etc. > Added ISD::DECLARE node type to represent llvm.dbg.declare > intrinsic. Now the intrinsic calls are lowered into a SDNode and > lives on through out the codegen passes. > For now, since all the debugging information recording is done at > isel time, when a ISD::DECLARE node is selected, it has the side > effect of also recording the variable. This is a short term solution > that should be fixed in time.
Nifty! Out of curiosity, why do you need a DECLARE MachineInstr? It seems like the 'recording' happens when the target-independent dag is selected to target-specific instructions, no? -Chris _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits
