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llvm-6502/lib/MC
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Alexander Kornienko 8a99824c5a Revert r203962 and two revisions depending on it: r204028 and r204059. 
The revision I'm reverting breaks handling of transitive aliases. This blocks us
and breaks sanitizer bootstrap:
http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux-bootstrap/builds/2651
(and checked locally by Alexey).

This revision is the result of:

  svn merge -r204059:204058 -r204028:204027 -r203962:203961 .

+ the regression test added to test/MC/ELF/alias.s

Another way to reproduce the regression with clang:
  $ cat q.c
  void a1();
  void a2() __attribute__((alias("a1")));
  void a3() __attribute__((alias("a2")));
  void a1() {}

  $ ~/work/llvm-build/bin/clang-3.5-good -c q.c && mv q.o good.o && \
      ~/work/llvm-build/bin/clang-3.5-bad -c q.c && mv q.o bad.o && \
      objdump -t good.o bad.o

    good.o:     file format elf64-x86-64

    SYMBOL TABLE:
    0000000000000000 l    df *ABS*  0000000000000000 q.c
    0000000000000000 l    d  .text  0000000000000000 .text
    0000000000000000 l    d  .data  0000000000000000 .data
    0000000000000000 l    d  .bss   0000000000000000 .bss
    0000000000000000 l    d  .comment       0000000000000000 .comment
    0000000000000000 l    d  .note.GNU-stack        0000000000000000 .note.GNU-stack
    0000000000000000 l    d  .eh_frame      0000000000000000 .eh_frame
    0000000000000000 g     F .text  0000000000000006 a1
    0000000000000000 g     F .text  0000000000000006 a2
    0000000000000000 g     F .text  0000000000000006 a3



    bad.o:     file format elf64-x86-64

    SYMBOL TABLE:
    0000000000000000 l    df *ABS*  0000000000000000 q.c
    0000000000000000 l    d  .text  0000000000000000 .text
    0000000000000000 l    d  .data  0000000000000000 .data
    0000000000000000 l    d  .bss   0000000000000000 .bss
    0000000000000000 l    d  .comment       0000000000000000 .comment
    0000000000000000 l    d  .note.GNU-stack        0000000000000000 .note.GNU-stack
    0000000000000000 l    d  .eh_frame      0000000000000000 .eh_frame
    0000000000000000 g     F .text  0000000000000006 a1
    0000000000000000 g     F .text  0000000000000006 a2
    0000000000000000 g       .text  0000000000000000 a3




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@204137 91177308-0d34-0410-b5e6-96231b3b80d8
2014-03-18 10:36:11 +00:00
..
MCDisassembler [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-08 07:14:16 +00:00
MCParser MC: change runtime check to an assertion 2014-03-17 17:13:57 +00:00
CMakeLists.txt Remove MCPureStreamer. 2014-02-27 16:17:34 +00:00
ELFObjectWriter.cpp Revert r203962 and two revisions depending on it: r204028 and r204059. 2014-03-18 10:36:11 +00:00
LLVMBuild.txt
MachObjectWriter.cpp Try harder to evaluate expressions when printing assembly. 2014-03-12 16:55:59 +00:00
Makefile
MCAsmBackend.cpp Simplify a really complicated check for Arch == X86_64. 2014-03-11 21:22:57 +00:00
MCAsmInfo.cpp Move get[S|U]LEB128Size() to LEB128.h. 2014-02-22 14:00:39 +00:00
MCAsmInfoCOFF.cpp Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call 2014-02-13 14:44:26 +00:00
MCAsmInfoDarwin.cpp Re-commit: Demote EmitRawText call in AsmPrinter::EmitInlineAsm() and remove hasRawTextSupport() call 2014-02-13 14:44:26 +00:00
MCAsmInfoELF.cpp Refactor the setting of PrivateGlobalPrefix. 2013-12-02 23:39:26 +00:00
MCAsmStreamer.cpp DebugInfo: Use MC line table file entry uniquing for non-asm input as well. 2014-03-17 18:13:58 +00:00
MCAssembler.cpp Try harder to evaluate expressions when printing assembly. 2014-03-12 16:55:59 +00:00
MCAtom.cpp [weak vtables] Remove a bunch of weak vtables 2013-11-19 00:57:56 +00:00
MCCodeEmitter.cpp
MCCodeGenInfo.cpp
MCContext.cpp MC: don't create a backtrace for diagnostics. 2014-03-14 22:41:58 +00:00
MCDisassembler.cpp Change MCDisassembler::setSymbolizer to take unique_ptr by value. 2014-03-07 09:38:02 +00:00
MCDwarf.cpp DebugInfo: Avoid emitting standard opcode lengths in debug_line.dwo headers where opcodes are never used anyway 2014-03-18 02:13:23 +00:00
MCELF.cpp [mc] Fix ELF st_other flag. 2013-12-05 00:34:11 +00:00
MCELFObjectTargetWriter.cpp Provide basic type safety for array_pod_sort comparators. 2013-09-22 14:09:50 +00:00
MCELFStreamer.cpp Always print the implicit .text at the start of an asm file. 2014-03-05 20:09:15 +00:00
MCExpr.cpp Try harder to evaluate expressions when printing assembly. 2014-03-12 16:55:59 +00:00
MCExternalSymbolizer.cpp Replace OwningPtr<T> with std::unique_ptr<T>. 2014-03-06 05:51:42 +00:00
MCFunction.cpp Style cleanup following David's review for r188876. 2013-08-21 19:40:25 +00:00
MCInst.cpp
MCInstPrinter.cpp [MC] When MCInstPrint::printAnnotation uses a comment stream, it has to ensure 2013-10-01 19:21:24 +00:00
MCInstrAnalysis.cpp MC: Disassembled CFG reconstruction. 2013-05-24 01:07:04 +00:00
MCLabel.cpp
MCMachObjectTargetWriter.cpp
MCMachOStreamer.cpp [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-08 07:02:02 +00:00
MCModule.cpp MC CFG: Split MCBasicBlocks to mirror atom splitting. 2013-08-21 07:28:24 +00:00
MCModuleYAML.cpp Replace OwningPtr<T> with std::unique_ptr<T>. 2014-03-06 05:51:42 +00:00
MCNullStreamer.cpp DebugInfo: Improve reuse of file table entries in asm debug info 2014-03-17 01:52:11 +00:00
MCObjectDisassembler.cpp [C++11] Introduce ObjectFile::symbols() to use range-based loops. 2014-03-17 07:28:19 +00:00
MCObjectFileInfo.cpp MC: Remove superfluous section attribute flag definitions 2014-03-07 07:36:05 +00:00
MCObjectStreamer.cpp MCDwarf: Rename MCDwarfFileTable to MCDwarfLineTable 2014-03-13 21:59:51 +00:00
MCObjectSymbolizer.cpp [C++11] Introduce ObjectFile::symbols() to use range-based loops. 2014-03-17 07:28:19 +00:00
MCObjectWriter.cpp
MCRegisterInfo.cpp Make SubRegIndex size mandatory, following r183020. 2013-05-31 23:45:26 +00:00
MCRelocationInfo.cpp Re-sort all of the includes with ./utils/sort_includes.py so that 2014-01-07 11:48:04 +00:00
MCSection.cpp
MCSectionCOFF.cpp MC COFF: Emit the 'b' section flag for .bss sections in GNU assembly 2013-12-17 22:12:40 +00:00
MCSectionELF.cpp Remove AllowQuotesInName and friends from MCAsmInfo. 2013-11-13 14:01:59 +00:00
MCSectionMachO.cpp MC: Appease the buildbots 2014-03-10 01:04:18 +00:00
MCStreamer.cpp DebugInfo: Improve reuse of file table entries in asm debug info 2014-03-17 01:52:11 +00:00
MCSubtargetInfo.cpp Reverting r199886 (Prevent repetitive warnings for unrecognized processors and features) 2014-01-25 16:56:18 +00:00
MCSymbol.cpp Revert r203962 and two revisions depending on it: r204028 and r204059. 2014-03-18 10:36:11 +00:00
MCSymbolizer.cpp Replace OwningPtr<T> with std::unique_ptr<T>. 2014-03-06 05:51:42 +00:00
MCValue.cpp
MCWin64EH.cpp Fix alignment of unwind data. 2013-09-15 18:01:09 +00:00
SubtargetFeature.cpp Reverting r199886 (Prevent repetitive warnings for unrecognized processors and features) 2014-01-25 16:56:18 +00:00
WinCOFFObjectWriter.cpp [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-08 07:02:02 +00:00
WinCOFFStreamer.cpp [C++11] Add 'override' keyword to virtual methods that override their base class. 2014-03-08 07:02:02 +00:00