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* now that getOrCreateSection is all object-file specific,Chris Lattner2009-08-081-10/+7
| | | | | | | | give the impls an object-file-specific name. In the future they can take different arguments etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78495 91177308-0d34-0410-b5e6-96231b3b80d8
* make printInstruction return void since its result is omitted. Make the Chris Lattner2009-08-081-1/+1
| | | | | | | error condition get trapped with an assert. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78449 91177308-0d34-0410-b5e6-96231b3b80d8
* don't check the result of printInstruction anymore.Chris Lattner2009-08-081-4/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78444 91177308-0d34-0410-b5e6-96231b3b80d8
* Major calling convention code refactoring.Dan Gohman2009-08-052-110/+127
| | | | | | | | | | | | | | | | | | | | Instead of awkwardly encoding calling-convention information with ISD::CALL, ISD::FORMAL_ARGUMENTS, ISD::RET, and ISD::ARG_FLAGS nodes, TargetLowering provides three virtual functions for targets to override: LowerFormalArguments, LowerCall, and LowerRet, which replace the custom lowering done on the special nodes. They provide the same information, but in a more immediately usable format. This also reworks much of the target-independent tail call logic. The decision of whether or not to perform a tail call is now cleanly split between target-independent portions, and the target dependent portion in IsEligibleForTailCallOptimization. This also synchronizes all in-tree targets, to help enable future refactoring and feature work. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78142 91177308-0d34-0410-b5e6-96231b3b80d8
* Move most targets TargetMachine constructor to only taking a target triple.Daniel Dunbar2009-08-022-5/+4
| | | | | | | - The C, C++, MSIL, and Mips backends still need the module. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77927 91177308-0d34-0410-b5e6-96231b3b80d8
* Add extra SEXT pattern.Richard Osborne2009-08-021-0/+16
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77920 91177308-0d34-0410-b5e6-96231b3b80d8
* Normalize Subtarget constructors to take a target triple string instead ofDaniel Dunbar2009-08-023-7/+4
| | | | | | | | | | | Module*. Also, dropped uses of TargetMachine where unnecessary. The only target which still takes a TargetMachine& is Mips, I would appreciate it if someone would normalize this to match other targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77918 91177308-0d34-0410-b5e6-96231b3b80d8
* move dwarf debug info section selection stuff from TAI toChris Lattner2009-08-021-12/+0
| | | | | | | TLOF, unifying all the dwarf targets at the same time. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77889 91177308-0d34-0410-b5e6-96231b3b80d8
* xcore TAI doesn't need TM.Chris Lattner2009-08-023-4/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77868 91177308-0d34-0410-b5e6-96231b3b80d8
* remove TargetAsmInfo::TM, which is now dead. The basic TAI class now Chris Lattner2009-08-022-5/+4
| | | | | | | no longer depends on TM! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77863 91177308-0d34-0410-b5e6-96231b3b80d8
* Make SectionKind::get() private.Chris Lattner2009-08-021-5/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77835 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove "JumpTableDataSection" from TAI, instead, have AsmPrinterChris Lattner2009-08-011-1/+1
| | | | | | | | | | | | | | compute it based on what it knows. As part of this, rename getSectionForMergeableConstant to getSectionForConstant because it works for non-mergable constants also. The only functionality change from this is that Xcore will start dropping its jump tables into readonly section instead of data section in -static mode. This should be fine as the linker resolves the relocations. If this is a problem, let me know and we'll come up with another solution. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77833 91177308-0d34-0410-b5e6-96231b3b80d8
* REmove dead fields of TAI.Chris Lattner2009-08-011-1/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77820 91177308-0d34-0410-b5e6-96231b3b80d8
* update for renameChris Lattner2009-08-011-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77817 91177308-0d34-0410-b5e6-96231b3b80d8
* Change SectionKind to be a property that is true of a *section*, itChris Lattner2009-08-011-5/+8
| | | | | | | | | | | | | | | | | | | | should have no state that is specific to particular globals in the section. In this case, it means the removal of the "isWeak" and "ExplicitSection" bits. MCSection uses the new form of SectionKind. To handle isWeak, I introduced a new SectionInfo class, which is SectionKind + isWeak, and it is used by the part of the code generator that does classification of a specific global. The ExplicitSection disappears. It is moved onto MCSection as a new "IsDirective" bit. Since the Name of a section is either a section or directive, it makes sense to keep this bit in MCSection. Ultimately the creator of MCSection should canonicalize (e.g.) .text to whatever the actual section is. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77803 91177308-0d34-0410-b5e6-96231b3b80d8
* Add newline at end of file to remove gcc warning.Nick Lewycky2009-08-011-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77791 91177308-0d34-0410-b5e6-96231b3b80d8
* switch off of 'Section' onto MCSection. We're not properly usingChris Lattner2009-07-313-6/+10
| | | | | | | | MCSection subclasses yet, but this is a step in the right direction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77708 91177308-0d34-0410-b5e6-96231b3b80d8
* Move types back to the 2.5 API.Owen Anderson2009-07-291-3/+3
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77516 91177308-0d34-0410-b5e6-96231b3b80d8
* pass the mangler down into the various SectionForGlobal methods.Chris Lattner2009-07-291-2/+2
| | | | | | | No functionality change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77432 91177308-0d34-0410-b5e6-96231b3b80d8
* Change ConstantArray to 2.5 API.Owen Anderson2009-07-281-1/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77347 91177308-0d34-0410-b5e6-96231b3b80d8
* Rip all of the global variable lowering logic out of TargetAsmInfo. SinceChris Lattner2009-07-287-38/+67
| | | | | | | | | | | | | | | | | | | | | | | it is highly specific to the object file that will be generated in the end, this introduces a new TargetLoweringObjectFile interface that is implemented for each of ELF/MachO/COFF/Alpha/PIC16 and XCore. Though still is still a brutal and ugly refactoring, this is a major step towards goodness. This patch also: 1. fixes a bunch of dangling pointer problems in the PIC16 backend. 2. disables the TargetLowering copy ctor which PIC16 was accidentally using. 3. gets us closer to xcore having its own crazy target section flags and pic16 not having to shadow sections with its own objects. 4. fixes wierdness where ELF targets would set CStringSection but not CStringSection_. Factor the code better. 5. fixes some bugs in string lowering on ELF targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77294 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate getNamed/getUnnamedSection, adding a new and unified ↵Chris Lattner2009-07-271-5/+7
| | | | | | | | | getOrCreateSection instead. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77186 91177308-0d34-0410-b5e6-96231b3b80d8
* Eliminate SectionFlags, just embed a SectionKind into SectionChris Lattner2009-07-271-6/+6
| | | | | | | instead and drive things based off of that. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77184 91177308-0d34-0410-b5e6-96231b3b80d8
* Factor commonality in triple match routines into helper template for registeringDaniel Dunbar2009-07-261-10/+1
| | | | | | | classes, and migrate existing targets over. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77126 91177308-0d34-0410-b5e6-96231b3b80d8
* Kill Target specific ModuleMatchQuality stuff.Daniel Dunbar2009-07-261-11/+1
| | | | | | | - This was overkill and inconsistently implemented. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77114 91177308-0d34-0410-b5e6-96231b3b80d8
* this is (unfortunately) several changes mixed together:Chris Lattner2009-07-251-3/+3
| | | | | | | | | | | | | | | | | 1. Spell SectionFlags::Writeable as "Writable". 2. Add predicates for deriving SectionFlags from SectionKinds. 3. Sink ELF-specific getSectionPrefixForUniqueGlobal impl into ELFTargetAsmInfo. 4. Fix SectionFlagsForGlobal to know that BSS/ThreadBSS has the BSS bit set (the real fix for PR4619). 5. Fix isSuitableForBSS to not put globals with explicit sections set in BSS (which was the reason #4 wasn't fixed earlier). 6. Remove my previous hack for PR4619. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77085 91177308-0d34-0410-b5e6-96231b3b80d8
* Simplify JIT target selection.Daniel Dunbar2009-07-251-6/+1
| | | | | | | | | | | - Instead of requiring targets to define a JIT quality match function, we just have them specify if they support a JIT. - Target selection for the JIT just gets the host triple and looks for the best target which matches the triple and has a JIT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77060 91177308-0d34-0410-b5e6-96231b3b80d8
* Add new helpers for registering targets.Daniel Dunbar2009-07-253-26/+7
| | | | | | | - Less boilerplate == good. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77052 91177308-0d34-0410-b5e6-96231b3b80d8
* More migration to raw_ostream, the water has dried up around the iostream hole.Daniel Dunbar2009-07-252-8/+10
| | | | | | | | | | | - Some clients which used DOUT have moved to DEBUG. We are deprecating the "magic" DOUT behavior which avoided calling printing functions when the statement was disabled. In addition to being unnecessary magic, it had the downside of leaving code in -Asserts builds, and of hiding potentially unnecessary computations. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77019 91177308-0d34-0410-b5e6-96231b3b80d8
* Revert the ConstantInt constructors back to their 2.5 forms where possible, ↵Owen Anderson2009-07-241-2/+1
| | | | | | thanks to contexts-on-types. More to come. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77011 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove unused member functions.Eli Friedman2009-07-242-26/+0
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76960 91177308-0d34-0410-b5e6-96231b3b80d8
* remove SectionFlags::Small: it is only used on Xcore, and we'll findChris Lattner2009-07-221-11/+6
| | | | | | | a better solution for it in the future. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76818 91177308-0d34-0410-b5e6-96231b3b80d8
* Thread local globals don't require special handling by the linker and so canRichard Osborne2009-07-221-0/+7
| | | | | | | be placed in the standard data / bss sections. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76735 91177308-0d34-0410-b5e6-96231b3b80d8
* Get rid of the Pass+Context magic.Owen Anderson2009-07-221-4/+4
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
* remove the last bits of SectionFlagsForGlobal. There is some flag here thatChris Lattner2009-07-212-30/+2
| | | | | | | | | | depends on XS1A, but I think the ReadOnlySection is already set up for this and there is no testcase that this breaks. If this is really needed, we can add the appropriate parameterization to TargetAsmInfo in the future to support this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76667 91177308-0d34-0410-b5e6-96231b3b80d8
* don't mask out the small flag and then reapply it later.Chris Lattner2009-07-211-15/+1
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76666 91177308-0d34-0410-b5e6-96231b3b80d8
* if Xcore doesn't support TLS, it doesn't have to worry about thread local ↵Chris Lattner2009-07-211-1/+1
| | | | | | LLVM IR, it should be rejected by a front-end. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76665 91177308-0d34-0410-b5e6-96231b3b80d8
* remove the Xcore implementation of SelectSectionForGlobal. While you haveChris Lattner2009-07-212-22/+0
| | | | | | | to twist your brain to see it, I believe it is the same as ELFTargetAsmInfo::SelectSectionForGlobal. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76664 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove the XCore custom implementation of MergeableConstSection, relying onChris Lattner2009-07-212-18/+0
| | | | | | | | | the generic ELF version instead. This will result in its mergable constant sections getting named ".rodata.cst4" instead of ".cp.const4", but the linker looks at the section flags, not the name of the section AFAICT. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76659 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove some overridden functions in XCoreTargetAsmInfo that areChris Lattner2009-07-212-67/+3
| | | | | | | | implemented exactly the same way as its ELFTargetAsmInfo subclass has them. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76653 91177308-0d34-0410-b5e6-96231b3b80d8
* Remove shift amount flavor. It isn't actually complete enough to Eli Friedman2009-07-211-2/+0
| | | | | | | | | | be useful, and it's currently unused. (Some issues: it isn't actually rich enough to capture the semantics on many architectures, and semantics can vary depending on the type being shifted.) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76633 91177308-0d34-0410-b5e6-96231b3b80d8
* make AsmPrinter::doFinalization iterate over the global variablesChris Lattner2009-07-211-12/+2
| | | | | | | | and call PrintGlobalVariable, allowing elimination and simplification of various targets. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76604 91177308-0d34-0410-b5e6-96231b3b80d8
* reduce indentation by using an early exit.Chris Lattner2009-07-211-73/+68
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76596 91177308-0d34-0410-b5e6-96231b3b80d8
* Add plumbing for the `linker_private' linkage type. This type is meant forBill Wendling2009-07-201-0/+2
| | | | | | | | | | "private" symbols which the assember shouldn't strip, but which the linker may remove after evaluation. This is mostly useful for Objective-C metadata. This is plumbing, so we don't have a use of it yet. More to come, etc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76385 91177308-0d34-0410-b5e6-96231b3b80d8
* Tweak cmake files for the four targets that don't split CodeGen out.Daniel Dunbar2009-07-191-1/+1
| | | | | | | | - We should canonicalize this and get rid of the cmake and llvm-config hacks to support both variants. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76350 91177308-0d34-0410-b5e6-96231b3b80d8
* Add dependencies from TargetInfo onto .td generation.Daniel Dunbar2009-07-191-0/+1
| | | | | | | | - Shouldn't really be necessary, but currently .inc files get included into some main target headers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76349 91177308-0d34-0410-b5e6-96231b3b80d8
* Put Target definitions inside Target specific header, and llvm namespace.Daniel Dunbar2009-07-183-2/+5
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76344 91177308-0d34-0410-b5e6-96231b3b80d8
* Handle void in XCoreTargetLowering::isLegalAddressingMode. Triggers in Eli Friedman2009-07-171-0/+5
| | | | | | | | test/CodeGen/Generic. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76162 91177308-0d34-0410-b5e6-96231b3b80d8
* Combine an unaligned store of unaligned load into a memmove.Richard Osborne2009-07-162-0/+54
| | | | git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75908 91177308-0d34-0410-b5e6-96231b3b80d8
* Lower the threshold at which memcpy / memmove / memset stop being expandedRichard Osborne2009-07-161-0/+3
| | | | | | | inline in the XCore. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75906 91177308-0d34-0410-b5e6-96231b3b80d8
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