[llvm-commits] [llvm] r69252 - /llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp

[Devang Patel]

Author: dpatel
Date: Wed Apr 15 20:31:54 2009
New Revision: 69252

URL: http://llvm.org/viewvc/llvm-project?rev=69252&view=rev
Log:
If location where the function was inlined is not know then do not emit debug info describing inlinied region.

Modified:
    llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp?rev=69252&r1=69251&r2=69252&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/FastISel.cpp Wed Apr 15 20:31:54 2009
@@ -387,12 +387,14 @@
       unsigned SrcFile = DW->getOrCreateSourceID(CompileUnit.getDirectory(Dir),
                                                  CompileUnit.getFilename(FN));
 
-      // Record the source line.
-      unsigned Line = Subprogram.getLineNumber();
-      unsigned LabelID = DW->RecordSourceLine(Line, 0, SrcFile);
-      setCurDebugLoc(DebugLoc::get(MF.getOrCreateDebugLocID(SrcFile, Line, 0)));
-      if (!Subprogram.describes(MF.getFunction())) {
+      if (!Subprogram.describes(MF.getFunction()) && !PrevLoc.isUnknown()) {
         // This is a beginning of an inlined function.
+        
+        // Record the source line.
+        unsigned Line = Subprogram.getLineNumber();
+        unsigned LabelID = DW->RecordSourceLine(Line, 0, SrcFile);
+        setCurDebugLoc(DebugLoc::get(MF.getOrCreateDebugLocID(SrcFile, Line, 0)));
+
         const TargetInstrDesc &II = TII.get(TargetInstrInfo::DBG_LABEL);
         BuildMI(MBB, DL, II).addImm(LabelID);
         DebugLocTuple PrevLocTpl = MF.getDebugLocTuple(PrevLoc);
@@ -401,6 +403,10 @@
                                  PrevLocTpl.Line,
                                  PrevLocTpl.Col);
       } else {
+        // Record the source line.
+        unsigned Line = Subprogram.getLineNumber();
+        setCurDebugLoc(DebugLoc::get(MF.getOrCreateDebugLocID(SrcFile, Line, 0)));
+        
         // llvm.dbg.func_start also defines beginning of function scope.
         DW->RecordRegionStart(cast<GlobalVariable>(FSI->getSubprogram()));
       }