From d0adbb5b7da2d1238fdf1a30734a001a0103aab0 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Mon, 26 Jan 2009 07:41:49 +0000 Subject: Add data structure to define and track debug location during codegen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63008 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/MachineFunction.cpp | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'lib/CodeGen/MachineFunction.cpp') diff --git a/lib/CodeGen/MachineFunction.cpp b/lib/CodeGen/MachineFunction.cpp index 8bae7bbb92..0d442af7ed 100644 --- a/lib/CodeGen/MachineFunction.cpp +++ b/lib/CodeGen/MachineFunction.cpp @@ -378,6 +378,33 @@ MachineFunction& MachineFunction::get(const Function *F) return *mc; } +/// lookUpDebugLocId - Look up the DebugLocTuple index with the given +/// filename, line, and column. It may add a new filename and / or +/// a new DebugLocTuple. +unsigned MachineFunction::lookUpDebugLocId(const char *Filename, unsigned Line, + unsigned Col) { + unsigned FileId; + StringMap::iterator I = + DebugLocInfo.DebugFilenamesMap.find(Filename); + if (I != DebugLocInfo.DebugFilenamesMap.end()) + FileId = I->second; + else { + // Add a new filename. + FileId = DebugLocInfo.NumFilenames++; + DebugLocInfo.DebugFilenames.push_back(Filename); + DebugLocInfo.DebugFilenamesMap[Filename] = FileId; + } + + struct DebugLocTuple Tuple(FileId, Line, Col); + DebugIdMapType::iterator II = DebugLocInfo.DebugIdMap.find(Tuple); + if (II != DebugLocInfo.DebugIdMap.end()) + return II->second; + // Add a new tuple. + DebugLocInfo.DebugLocations.push_back(Tuple); + DebugLocInfo.DebugIdMap[Tuple] = DebugLocInfo.NumDebugLocations; + return DebugLocInfo.NumDebugLocations++; +} + //===----------------------------------------------------------------------===// // MachineFrameInfo implementation //===----------------------------------------------------------------------===// -- cgit v1.2.3-18-g5258