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4 Commits

Author SHA1 Message Date
Chandler Carruth
12664a0b17 [Layering] Move DIBuilder.h into the IR library where its implementation 
already lives.

llvm-svn: 203038
 2014-03-06 00:22:06 +00:00
Craig Topper
3e4c697ca1 [C++11] Add 'override' keyword to virtual methods that override their base class. 
llvm-svn: 202953
 2014-03-05 09:10:37 +00:00
Chandler Carruth
442f784814 [cleanup] Re-sort all the includes with utils/sort_includes.py. 
llvm-svn: 202811
 2014-03-04 10:07:28 +00:00
Diego Novillo
f5041ce558 Pass to emit DWARF path discriminators. 
DWARF discriminators are used to distinguish multiple control flow paths
on the same source location. When this happens, instructions across
basic block boundaries will share the same debug location.

This pass detects this situation and creates a new lexical scope to one
of the two instructions. This lexical scope is a child scope of the
original and contains a new discriminator value. This discriminator is
then picked up from MCObjectStreamer::EmitDwarfLocDirective to be
written on the object file.

This fixes http://llvm.org/bugs/show_bug.cgi?id=18270.

llvm-svn: 202752
 2014-03-03 20:06:11 +00:00