Author: djg Date: Mon Sep 24 16:43:52 2007 New Revision: 42277 URL: http://llvm.org/viewvc/llvm-project?rev=42277&view=rev Log: Don't emit .debug_line header data if there aren't any lines to put in it, such as will happen when .loc directives are used.
Modified: llvm/trunk/lib/CodeGen/DwarfWriter.cpp Modified: llvm/trunk/lib/CodeGen/DwarfWriter.cpp URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/DwarfWriter.cpp?rev=42277&r1=42276&r2=42277&view=diff ============================================================================== --- llvm/trunk/lib/CodeGen/DwarfWriter.cpp (original) +++ llvm/trunk/lib/CodeGen/DwarfWriter.cpp Mon Sep 24 16:43:52 2007 @@ -2196,6 +2196,11 @@ /// EmitDebugLines - Emit source line information. /// void EmitDebugLines() { + // If there are no lines to emit (such as when we're using .loc directives + // to emit .debug_line information) don't emit a .debug_line header. + if (SectionSourceLines.empty()) + return; + // Minimum line delta, thus ranging from -10..(255-10). const int MinLineDelta = -(DW_LNS_fixed_advance_pc + 1); // Maximum line delta, thus ranging from -10..(255-10). _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits