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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
..
Analysis add -da-delinearize runs and checks to MIV testcases 2014-02-21 18:15:18 +00:00
Assembler Bug 18228 - Fix accepting bitcasts between vectors of pointers with a 2014-01-22 19:21:33 +00:00
Bindings Don't try to set a dummy DataLayout. It is parsed now. 2014-02-25 20:41:28 +00:00
Bitcode Ensure bitcode encoding of instructions and their operands stays stable. 2014-03-02 15:26:36 +00:00
BugPoint Debug Info: update testing cases to specify the debug info version number. 2013-11-23 01:16:29 +00:00
CodeGen [mips] Prevent %lo relocation being used on MSA loads and stores. 2014-03-03 14:31:21 +00:00
DebugInfo Add DWARF discriminator support to DILexicalBlocks. 2014-03-03 18:53:17 +00:00
ExecutionEngine Ignore old JIT tests in AARch64 - CMake style 2014-02-25 09:31:00 +00:00
Feature Disable most IR-level transform passes on functions marked 'optnone'. 2014-02-06 00:07:05 +00:00
FileCheck FileCheck: fix a bug with multiple --check-prefix options. Similar to r194565 2013-11-20 13:25:05 +00:00
Instrumentation [msan] Handle X86 SIMD bitshift intrinsics. 2014-03-03 13:47:42 +00:00
Integer
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JitListener Debug Info: update testing cases to specify the debug info version number. 2013-11-22 21:49:45 +00:00
LTO Add back r201608, r201622, r201624 and r201625 2014-02-19 17:23:20 +00:00
Linker Revert "Use count 0." 2014-02-27 03:10:10 +00:00
MC [mips] support FK_Data_2 and FK_Data_8 to fix big-endian debug data 2014-03-03 14:27:49 +00:00
Object Now that it is possible, use the mangler in IRObjectFile. 2014-02-28 02:17:23 +00:00
Other [PM] Wire up the Verifier for the new pass manager and connect it to the 2014-01-20 11:34:08 +00:00
TableGen [TableGen] Correctly generate implicit anonymous prototype defs in multiclasses 2014-01-02 20:47:09 +00:00
Transforms Pass to emit DWARF path discriminators. 2014-03-03 20:06:11 +00:00
Unit With rpaths being set correctly, SHLIBPATH_VAR is not needed anymore. 2014-02-28 16:16:51 +00:00
Verifier [PM] Make the verifier work independently of any pass manager. 2014-01-19 02:22:18 +00:00
YAMLParser [Support][YAML] Add support for accessing tags and tag handle substitution. 2013-10-18 22:38:04 +00:00
tools Relax COFF string table check 2014-02-26 19:51:44 +00:00
.clang-format Add .clang-format without column limit to subdirectory tests/. 2013-11-19 04:26:05 +00:00
CMakeLists.txt [CMake] Remove dependency on non-existing profile_rt-shared. Patch by Brad King. 2014-02-24 15:07:06 +00:00
Makefile With rpaths being set correctly, SHLIBPATH_VAR is not needed anymore. 2014-02-28 16:16:51 +00:00
Makefile.tests
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TestRunner.sh
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lit.cfg PGO: llvm-profdata: tool for merging profiles 2014-02-17 23:22:49 +00:00
lit.site.cfg.in Eliminate inappropriate use of FindProgramByName() from lli 2014-01-22 21:52:35 +00:00