Author: void Date: Mon Jan 28 03:15:03 2008 New Revision: 46449 URL: http://llvm.org/viewvc/llvm-project?rev=46449&view=rev Log: If the function has no machine instructions, then emit a "nop" so that the function label isn't associated with something it shouldn't be.
Modified: llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp Modified: llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp?rev=46449&r1=46448&r2=46449&view=diff ============================================================================== --- llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp (original) +++ llvm/trunk/lib/Target/ARM/ARMAsmPrinter.cpp Mon Jan 28 03:15:03 2008 @@ -233,6 +233,16 @@ // Emit pre-function debug information. DW.BeginFunction(&MF); + if (Subtarget->isTargetDarwin()) { + // If the function is empty, then we need to emit *something*. Otherwise, + // the function's label might be associated with something that it wasn't + // meant to be associated with. We emit a noop in this situation. + MachineFunction::iterator I = MF.begin(); + + if (++I == MF.end() && MF.front().empty()) + O << "\tnop\n"; + } + // Print out code for the function. for (MachineFunction::const_iterator I = MF.begin(), E = MF.end(); I != E; ++I) { _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits