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David Blaikie 2274808153 PR11740: Disable assembly debug info when assembly already contains line directives 
If there is already debug info in the assembly file, and user hope to
use -g option for compiling, we think we should not directly report an
error.

According to what GNU assembler did, it just reused the debug info in
the assembly file, and turned off the DEBUG_TYPE option so that there
will be no new debug info emitted by assembler. This fix is just as what
GNU assembler did.

The concern is the situation that there are two .text sections in the
assembly file, one with debug info and the other one without. Currently
with this fix, the assembler will no longer generate any debug info for
the second .text section. And this is what GNU assembler exactly did for
this situation. So I think this still make some sense.

Patch by Zhizhou Yang!

Differential Revision: http://reviews.llvm.org/D20002

llvm-svn: 270806
 		2016-05-26 00:22:26 +00:00
..
MCDisassembler Remove unnecessary header include. 2016-05-17 21:15:50 +00:00
MCParser PR11740: Disable assembly debug info when assembly already contains line directives 2016-05-26 00:22:26 +00:00
CMakeLists.txt Move ObjectYAML code to a new library. 2016-03-01 19:15:06 +00:00
ConstantPools.cpp [ARM,AArch64] Store source location of asm constant pool entries 2015-11-16 16:25:47 +00:00
ELFObjectWriter.cpp Revert r270569 (teach llvm-mc to generate compressed debug sections in zlib 2016-05-25 00:14:12 +00:00
LLVMBuild.txt
…
MCAsmBackend.cpp MachO: enable .data_region directives everywhere 2016-04-21 23:00:17 +00:00
MCAsmInfo.cpp [MachO] Add MachO alt-entry directive support. 2016-03-15 01:43:05 +00:00
MCAsmInfoCOFF.cpp [MC] Use LShr for constant evaluation of ">>" on non-arm64 darwin. 2015-11-11 00:51:36 +00:00
MCAsmInfoDarwin.cpp ARM: put extern __thread stubs in a special section. 2016-04-25 21:12:04 +00:00
MCAsmInfoELF.cpp [WebAssembly] Don't create a needless .note.GNU-stack section 2016-01-15 23:59:13 +00:00
MCAsmStreamer.cpp Revert "[MC] Support symbolic expressions in assembly directives" 2016-05-25 23:29:08 +00:00
MCAssembler.cpp There's no reason to use _ to name variables different just for construction. 2016-05-24 22:15:54 +00:00
MCCodeEmitter.cpp
…
MCCodeGenInfo.cpp
…
MCCodeView.cpp [codeview] Some cleanup of Symbol Records. 2016-05-17 23:50:21 +00:00
MCContext.cpp Revert r270569 (teach llvm-mc to generate compressed debug sections in zlib 2016-05-25 00:14:12 +00:00
MCDwarf.cpp Read discriminators correctly from object file. 2016-04-28 22:09:37 +00:00
MCELFObjectTargetWriter.cpp Always sort by offset first. NFC. 2015-12-17 15:08:24 +00:00
MCELFStreamer.cpp [mips] Use MipsMCExpr instead of MCSymbolRefExpr for all relocations. 2016-05-03 13:35:44 +00:00
MCExpr.cpp [MCExpr] avoid UB via negation of INT_MIN 2016-05-20 14:09:41 +00:00
MCFragment.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
MCInst.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
MCInstPrinter.cpp [llvm] Parameterizing the output stream for dumpbytes and outputting directly to stream. 2015-05-28 18:39:50 +00:00
MCInstrAnalysis.cpp
…
MCInstrDesc.cpp Replace uint16_t with the MCPhysReg typedef in many places. A lot of physical register arrays already use this typedef. 2015-12-05 07:13:35 +00:00
MCLabel.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
MCLinkerOptimizationHint.cpp MC: Tidy up LOH naming a bit. NFC. 2015-06-01 23:55:06 +00:00
MCMachOStreamer.cpp MachO: enable .data_region directives everywhere 2016-04-21 23:00:17 +00:00
MCMachObjectTargetWriter.cpp MC: Remove obsolete MachO UseAggressiveSymbolFolding. 2015-06-04 20:27:42 +00:00
MCNullStreamer.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MCObjectFileInfo.cpp Don't pass a Reloc::Model to MC. 2016-05-18 11:58:50 +00:00
MCObjectStreamer.cpp Revert "[MC] Support symbolic expressions in assembly directives" 2016-05-25 23:29:08 +00:00
MCObjectWriter.cpp Fix pr24486. 2015-10-05 12:07:05 +00:00
MCRegisterInfo.cpp [codeview] Bail on a DBG_VALUE register operand with no register 2016-02-16 21:49:26 +00:00
MCSchedule.cpp Add <type_traits> for is_pod, fixing r241947 2015-07-10 22:17:49 +00:00
MCSection.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
MCSectionCOFF.cpp Sink COFF.h MC include into .cpp files 2015-09-03 16:41:50 +00:00
MCSectionELF.cpp Bring r252305 back with a test fix. 2015-11-06 15:30:45 +00:00
MCSectionMachO.cpp [ADT] Switch a bunch of places in LLVM that were doing single-character 2015-09-10 06:12:31 +00:00
MCStreamer.cpp Revert "[MC] Support symbolic expressions in assembly directives" 2016-05-25 23:29:08 +00:00
MCSubtargetInfo.cpp (NFC) Change SubtargetFeatures::ToggleFeature and 2016-01-05 10:25:56 +00:00
MCSymbol.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
MCSymbolELF.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MCTargetOptions.cpp [MC, COFF] Support link /incremental conditionally 2015-12-21 22:09:27 +00:00
MCValue.cpp Annotate dump() methods with LLVM_DUMP_METHOD, addressing Richard Smith r259192 post commit comment. 2016-01-29 20:50:44 +00:00
MCWin64EH.cpp [MC] Create unique .pdata sections for every .text section 2016-05-02 23:22:18 +00:00
MCWinEH.cpp [MC] Create unique .pdata sections for every .text section 2016-05-02 23:22:18 +00:00
MachObjectWriter.cpp Reapply: "ARM: put correct symbol index on indirect pointers in __thread_ptr."" 2016-04-26 18:29:16 +00:00
StringTableBuilder.cpp Make StringTableBuilder to cache hash values. 2016-05-06 00:51:58 +00:00
SubtargetFeature.cpp [NFC] Header cleanup 2016-04-18 09:17:29 +00:00
WinCOFFObjectWriter.cpp [MC] Add support for encoding CodeView variable definition ranges 2016-02-05 01:55:49 +00:00
WinCOFFStreamer.cpp [Object] Make .alt_entry directive parsing MachO specific. 2016-04-11 18:33:45 +00:00