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Vedant Kumar 86dbd92334 [MC/AsmParser] Avoid setting MCSymbol.IsUsed in some cases 
Avoid marking some MCSymbols as used in MC/AsmParser.cpp when no uses
exist. This fixes a bug in parseAssignmentExpression() which
inadvertently sets IsUsed, thereby triggering:

    "invalid re-assignment of non-absolute variable"

on otherwise valid code. No other functionality change intended.

The original version of this patch touched many calls to MCSymbol
accessors. On rafael's advice, I have stripped this patch down a bit.

As a follow-up, I intend to find the call sites which intentionally set
IsUsed and force them to do so explicitly.

Differential Revision: http://reviews.llvm.org/D12347

llvm-svn: 246457
 		2015-08-31 17:44:53 +00:00
..
MCDisassembler Remove and forbid raw_svector_ostream::flush() calls. 2015-08-13 18:12:56 +00:00
MCParser [MC/AsmParser] Avoid setting MCSymbol.IsUsed in some cases 2015-08-31 17:44:53 +00:00
CMakeLists.txt MC: Remove the copy of MCSchedModel in MCSubtargetInfo 2015-07-10 22:13:43 +00:00
ConstantPools.cpp MC: Clean up MCExpr naming. NFC. 2015-05-30 01:25:56 +00:00
ELFObjectWriter.cpp Convert a member variable to a local one. 2015-07-02 16:59:57 +00:00
LLVMBuild.txt Nuke MCAnalysis. 2014-09-02 22:32:20 +00:00
MCAsmBackend.cpp [MC] Allow backends to decide relaxation for unresolved fixups. 2015-05-30 18:42:22 +00:00
MCAsmInfo.cpp MC: Add target hook to control symbol quoting 2015-06-09 00:31:39 +00:00
MCAsmInfoCOFF.cpp [MC] Use LShr for constant evaluation of ">>" on ELF/arm64--darwin. 2015-04-28 01:37:11 +00:00
MCAsmInfoDarwin.cpp [MC] Use LShr for constant evaluation of ">>" on ELF/arm64--darwin. 2015-04-28 01:37:11 +00:00
MCAsmInfoELF.cpp Move alignment from MCSectionData to MCSection. 2015-05-21 19:20:38 +00:00
MCAsmStreamer.cpp Remove and forbid raw_svector_ostream::flush() calls. 2015-08-13 18:12:56 +00:00
MCAssembler.cpp [MC] Split the layout part of MCAssembler::finish() into its own method. NFC. 2015-08-26 05:09:49 +00:00
MCCodeEmitter.cpp
…
MCCodeGenInfo.cpp MC: MCCodeGenInfo naming update. NFC. 2015-05-15 19:13:31 +00:00
MCContext.cpp Revert "Centralize the information about which object format we are using." 2015-08-14 15:48:41 +00:00
MCDwarf.cpp Silence a sign mismatch warning; NFC. 2015-08-10 15:22:39 +00:00
MCELFObjectTargetWriter.cpp Pass a MCSymbol to needsRelocateWithSymbol. 2015-05-29 18:26:09 +00:00
MCELFStreamer.cpp Remove and forbid raw_svector_ostream::flush() calls. 2015-08-13 18:12:56 +00:00
MCExpr.cpp MCExpr: Avoid UB by evaluating this shift as unsigned 2015-06-23 07:32:55 +00:00
MCInst.cpp Fixup. 2015-02-05 01:13:47 +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 MC: Constify MCSubtargetInfo in getDeprecationInfo(), NFC 2015-07-08 17:30:55 +00:00
MCLabel.cpp
…
MCLinkerOptimizationHint.cpp MC: Tidy up LOH naming a bit. NFC. 2015-06-01 23:55:06 +00:00
MCMachOStreamer.cpp Remove and forbid raw_svector_ostream::flush() calls. 2015-08-13 18:12:56 +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 Revert "Centralize the information about which object format we are using." 2015-08-14 15:48:41 +00:00
MCObjectStreamer.cpp Remove and forbid raw_svector_ostream::flush() calls. 2015-08-13 18:12:56 +00:00
MCObjectWriter.cpp MC: Clean up naming in MCObjectWriter. NFC. 2015-06-04 22:24:41 +00:00
MCRegisterInfo.cpp
…
MCSchedule.cpp Add <type_traits> for is_pod, fixing r241947 2015-07-10 22:17:49 +00:00
MCSection.cpp Store a bit in MCSection saying if it was registered with MCAssembler. 2015-06-01 01:30:01 +00:00
MCSectionCOFF.cpp MC: Add target hook to control symbol quoting 2015-06-09 00:31:39 +00:00
MCSectionELF.cpp MC: Add target hook to control symbol quoting 2015-06-09 00:31:39 +00:00
MCSectionMachO.cpp Implement unique sections with an unique ID. 2015-04-04 18:02:01 +00:00
MCStreamer.cpp [X86] Add .intel_syntax noprefix directive to intel-syntax x86 asm output 2015-07-22 10:49:44 +00:00
MCSubtargetInfo.cpp MC: Only allow changing feature bits in MCSubtargetInfo 2015-07-10 22:52:15 +00:00
MCSymbol.cpp [MC] Switch static const to an enum to silence MSVC linker warnings 2015-07-10 21:50:04 +00:00
MCSymbolELF.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MCSymbolizer.cpp Move MCSymbolizer's constructor into header. It's trivial - there's no need for 2014-03-27 02:42:52 +00:00
MCTargetOptions.cpp [llvm-mc] Add --no-warn flag with -W alias to disable outputting warnings while assembling. 2015-07-27 22:39:14 +00:00
MCValue.cpp Use operator<< instead of print in a few more places. 2015-05-27 13:05:42 +00:00
MCWin64EH.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MCWinEH.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
MachObjectWriter.cpp [MC/MachO] Make some MachObjectWriter methods more generic. NFC. 2015-08-26 05:09:46 +00:00
Makefile Nuke MCAnalysis. 2014-09-02 22:32:20 +00:00
StringTableBuilder.cpp MachObjectWriter: optimize the string table for common suffices 2014-10-06 17:05:19 +00:00
SubtargetFeature.cpp [ARM] Add knowledge of FPU subtarget features to TargetParser 2015-06-05 13:29:24 +00:00
WinCOFFObjectWriter.cpp Revert r240137 (Fixed/added namespace ending comments using clang-tidy. NFC) 2015-06-23 09:49:53 +00:00
WinCOFFStreamer.cpp Remove and forbid raw_svector_ostream::flush() calls. 2015-08-13 18:12:56 +00:00
YAML.cpp Invert the MC -> Object dependency. 2014-07-03 02:01:39 +00:00