From 81a148bd567f528baacb33b62c1b1c28dcc6a544 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Mon, 24 Sep 2007 21:43:52 +0000 Subject: [PATCH] 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. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42277 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/DwarfWriter.cpp | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib/CodeGen/DwarfWriter.cpp b/lib/CodeGen/DwarfWriter.cpp index 8250558b267..f962e487340 100644 --- a/lib/CodeGen/DwarfWriter.cpp +++ b/lib/CodeGen/DwarfWriter.cpp @@ -2196,6 +2196,11 @@ private: /// 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).