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* Fix pr24486.Rafael Espindola2015-10-051-2/+2
| | | | | | | | | | | | | | | | | | This extends the work done in r233995 so that now getFragment (in addition to getSection) also works for variable symbols. With that the existing logic to decide if a-b can be computed works even if a or b are variables. Given that, the expression evaluation can avoid expanding variables as aggressively and that in turn lets the relocation code see the original variable. In order for this to work with the asm streamer, there is now a dummy fragment per section. It is used to assign a section to a symbol when no other fragment exists. This patch is a joint work by Maxim Ostapenko andy myself. llvm-svn: 249303
* MC: Add target hook to control symbol quotingMatt Arsenault2015-06-091-1/+1
| | | | llvm-svn: 239370
* MC: Clean up MCExpr naming. NFC.Jim Grosbach2015-05-301-5/+5
| | | | llvm-svn: 238634
* Move alignment from MCSectionData to MCSection.Rafael Espindola2015-05-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | This starts merging MCSection and MCSectionData. There are a few issues with the current split between MCSection and MCSectionData. * It optimizes the the not as important case. We want the production of .o files to be really fast, but the split puts the information used for .o emission in a separate data structure. * The ELF/COFF/MachO hierarchy is not represented in MCSectionData, leading to some ad-hoc ways to represent the various flags. * It makes it harder to remember where each item is. The attached patch starts merging the two by moving the alignment from MCSectionData to MCSection. Most of the patch is actually just dropping 'const', since MCSectionData is mutable, but MCSection was not. llvm-svn: 237936
* Fix uses of reserved identifiers starting with an underscore followed by an ↵David Blaikie2015-03-161-2/+2
| | | | | | | | | uppercase letter This covers essentially all of llvm's headers and libs. One or two weird cases I wasn't sure were worth/appropriate to fix. llvm-svn: 232394
* Canonicalize header guards into a common format.Benjamin Kramer2014-08-131-2/+2
| | | | | | | | | | Add header guards to files that were missing guards. Remove #endif comments as they don't seem common in LLVM (we can easily add them back if we decide they're useful) Changes made by clang-tidy with minor tweaks. llvm-svn: 215558
* If available, pass down the Fixup object to EvaluateAsRelocatable.Joerg Sonnenberger2014-08-101-1/+2
| | | | | | | At least on PowerPC, the interpretation of certain modifiers depends on the context they appear in. llvm-svn: 215310
* Move expression visitation logic up to MCStreamer.Rafael Espindola2014-06-251-1/+1
| | | | | | Remove the duplicate from MCRecordStreamer. No functionality change. llvm-svn: 211714
* Simplify the visitation of target expressions. No functionality change.Rafael Espindola2014-06-251-1/+1
| | | | llvm-svn: 211707
* [C++11] Add 'override' keywords and remove 'virtual'. Additionally add ↵Craig Topper2014-04-291-5/+5
| | | | | | 'final' and leave 'virtual' on some methods that are marked virtual without overriding anything and have no obvious overrides themselves. Sparc edition llvm-svn: 207502
* [Sparc] Emit correct relocations for PIC code when integrated assembler is used.Venkatraman Govindaraju2014-02-071-0/+10
| | | | llvm-svn: 200961
* [Sparc] Use SparcMCExpr::VariantKind itself as MachineOperand's target flags.Venkatraman Govindaraju2014-02-071-1/+1
| | | | llvm-svn: 200960
* [Sparc] Use %r_disp32 for pc_rel entries in gcc_except_table and eh_frame.Venkatraman Govindaraju2014-01-291-0/+1
| | | | | | | | Otherwise, assembler (gas) fails to assemble them with error message "operation combines symbols in different segments". This is because MC computes pc_rel entries with subtract expression between labels from different sections. llvm-svn: 200373
* [Sparc] Add support for parsing sparc asm modifiers such as %hi, %lo etc., Venkatraman Govindaraju2014-01-071-0/+2
| | | | | | Also, correct the offsets for FixupsKindInfo. llvm-svn: 198681
* [Sparc] Add target specific MCExpr class to handle sparc specific modifiers ↵Venkatraman Govindaraju2013-12-261-0/+98
like %hi, %lo, etc., llvm-svn: 198029
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