Commit Graph

1359 Commits

Author SHA1 Message Date
Chris Lattner
5fe575ff4f Eliminate SectionFlags, just embed a SectionKind into Section
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
2009-07-27 05:32:16 +00:00
Chris Lattner
0fcf4dc6d3 untangle a TargetAsmInfo hack where ELFTargetAsmInfo would create a
'unnamed' bss section, but some impls would want a named one.  Since
they don't have consistent behavior, just make each target do their
own thing, instead of doing something "sortof common" then having
targets change immutable objects later.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77165 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 19:23:28 +00:00
Chris Lattner
f40761d522 remove a densemap from TargetAsmInfo that was uniquing the targetflags strings,
just use a smallstring instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77144 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 07:33:58 +00:00
Chris Lattner
37088b3f82 make SectionKind keep track of whether a global had an explicit
section specified for it or not.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77142 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 07:14:28 +00:00
Chris Lattner
4c50922f6b make SectionKind know whether a symbol is weak or not in addition
to its classification.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77140 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 07:00:12 +00:00
Chris Lattner
37939c910f Make the kind actually be private.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77139 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 06:51:27 +00:00
Chris Lattner
2ceb60a677 rename Mergable -> Mergeable and Writable -> Writeable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77138 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 06:48:26 +00:00
Chris Lattner
2c5815d090 remove a bunch of helper functions, just use SectionKind::get instead.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77135 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 06:34:33 +00:00
Chris Lattner
5c2f789952 simplify getSectionForMergableConstant to take a SectionKind.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77134 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 06:26:55 +00:00
Chris Lattner
f15327290e precreate 4/8/16 byte mergable sections to simplify code.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77133 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 06:16:11 +00:00
Chris Lattner
8ca520944e introduce specialized mergable const sectionkinds for elements of size 4/8/16 to
simplify targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77132 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 06:11:33 +00:00
Chris Lattner
e346e180f3 Rearrange all the SectionKinds and structure them into a hierarchical
group instead of a bunch of random unrelated ideas.  Provide predicates
to categorize a SectionKind into a group, and use them instead of 
getKind() throughout the code.

This also renames a ton of SectionKinds to be more consistent and
evocative, and adds a huge number of comments on the enums so that
I will hopefully be able to remember how this stuff works long from
now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77129 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 05:44:20 +00:00
Daniel Dunbar
8977d087c6 Factor commonality in triple match routines into helper template for registering
classes, and migrate existing targets over.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77126 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 05:03:33 +00:00
Chris Lattner
38b77f8c93 fix isReadOnly predicate to not include data that has to be
writable because of teh dynamic linker.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77122 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 04:18:10 +00:00
Chris Lattner
f276990625 remove a dead enum case.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77121 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 04:09:02 +00:00
Chris Lattner
abb477f663 put normal data into .data instead of .data.rel on elf systems.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77116 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 03:06:11 +00:00
Daniel Dunbar
fa27ff296d Kill Target specific ModuleMatchQuality stuff.
- This was overkill and inconsistently implemented.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77114 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 02:22:58 +00:00
Daniel Dunbar
a5881e3060 Add TargetRegistry::lookupTarget.
- This is a simplified mechanism which just looks up a target based on the
   target triple, with a few additional flags.

 - Remove getClosestStaticTargetForModule, the moral equivalent is now:
     lookupTarget(Mod->getTargetTriple, true, false, ...);

 - This no longer does the fuzzy matching with target data (based on endianness
   and pointer width) that getClosestStaticTargetForModule was doing, but this
   was deemed unnecessary.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77111 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 02:12:58 +00:00
Chris Lattner
30c4a3b9a8 finish simplifying DarwinTargetAsmInfo::SelectSectionForGlobal
for now.  Make the section switching directives more consistent
by not including \n and including \t for them all.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77107 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 01:24:18 +00:00
Chris Lattner
d601239833 simplify some predicates, add isMergableString()
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77103 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-26 00:50:43 +00:00
Chris Lattner
460d51e0c0 make SectionKind be a first-class pod struct instead of just
an enum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77096 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 23:21:55 +00:00
Chris Lattner
b4fc419d83 this is (unfortunately) several changes mixed together:
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
2009-07-25 18:57:34 +00:00
Chris Lattner
4f05591e61 document some invariants.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77084 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 18:11:58 +00:00
Daniel Dunbar
d6fd377f33 Simplify JIT target selection.
- 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
2009-07-25 10:09:50 +00:00
Daniel Dunbar
0c795d6187 Add new helpers for registering targets.
- Less boilerplate == good.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77052 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-25 06:49:55 +00:00
Chris Lattner
fbd3d4a5c3 fix some predicates
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76999 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 20:27:11 +00:00
Chris Lattner
0d4960c3ca change SectionKindForGlobal from being a public (and
previously virtual) function to being a static function
in the .cpp file.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76997 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 20:14:10 +00:00
Chris Lattner
b303504a56 make SectionKindForGlobal target independent, and therefore non-virtual.
It's classifications now include elf-specific discriminators.  Targets
that don't have these features (like darwin and pecoff) simply treat
data.rel like data, etc.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76993 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 19:15:47 +00:00
Chris Lattner
f20f250b6f we already know the sectionkind when invoking SelectSectionForGlobal,
pass it in instead of recomputing it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76990 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 18:42:53 +00:00
Chris Lattner
7420ab2191 make SectionForGlobal non-virtual, add a hook for pic16 to do its "address=" hack.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76989 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 18:34:27 +00:00
Jakob Stoklund Olesen
78d12644b9 Add support for promoting SETCC operations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76987 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 18:22:59 +00:00
Chris Lattner
2dcafe4b8f move ELF-specific code into ELFTargetAsmInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76976 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 17:02:17 +00:00
Chris Lattner
8adc547a91 make SectionFlagsForGlobal a private static function instead of a public
virtual one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76973 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 16:46:50 +00:00
Eli Friedman
23ed52752b Remove unused member functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76960 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 07:43:59 +00:00
Chris Lattner
78717cb63d Implement getSectionPrefixForUniqueGlobal to return null, indicating that
darwin does it's own unique and special and wonderful thing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76952 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 05:02:38 +00:00
Chris Lattner
55acc6807f Replace UniqueSectionForGlobal with getSectionPrefixForUniqueGlobal.
The later doesn't depend on any crazy LLVM IR stuff, and this
pulls the concatenation of prefix with GV name (the root problem behind
PR4584) out one level.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76948 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 04:49:34 +00:00
Chris Lattner
837f332372 document SectionFlags::Named better and make it more easily greppable by
eliminating isNamed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76946 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 04:26:19 +00:00
Chris Lattner
c440cc7f2c use section flags more correctly.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76944 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 04:08:17 +00:00
Chris Lattner
ad733cd851 remove more bits of small section support.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76937 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 03:16:53 +00:00
Chris Lattner
013e6b6309 Remove SectionKind::Small*. This was only used on mips, and is apparently
a sad mistake that is regretted. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76935 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 03:11:51 +00:00
Dan Gohman
d2cb3d2c32 Remove the IA-64 backend.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76920 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-24 00:30:09 +00:00
Chris Lattner
819c4f365f remove SectionFlags::Small: it is only used on Xcore, and we'll find
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
2009-07-22 23:27:22 +00:00
Chris Lattner
f1581564b6 inline the two MergeableConstSection implementations into their
only caller.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76710 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 00:47:11 +00:00
Chris Lattner
298414ec18 remove the SelectSectionForMachineConst hook, replacing it with
a new getSectionForMergableConstant hook.  This removes one dependence
of TAI on Type, and provides the hook with enough info to make the 
right decision based on whether the global has relocations etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76705 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 00:28:43 +00:00
Evan Cheng
fc6ad402fb Let each target determines whether a machine instruction is dead. If true, that allows late codeine passes to delete it.
This is considered a workaround. The problem is some targets are not modeling side effects correctly. PPC is apparently one of those. This patch allows ppc llvm-gcc to bootstrap on Darwin. Once we find out which instruction definitions are wrong, we can remove the PPCInstrInfo workaround.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76703 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-22 00:25:27 +00:00
Chris Lattner
97d2cae44b Now that RelocBehaviour() is never overloaded, it doesn't need to be
virtual.  Just inline it into its two current call sites in preparation
for simplifying the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76686 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 23:47:11 +00:00
Bruno Cardoso Lopes
82a70ccb24 Change ELFCodeEmitter logic to emit the constant pool and jump tables to
their appropriate sections before the code itself. They need to be emitted
before the function because on some targets (x86 but not x86_64) the later
may reference a JT or CP entry address


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76672 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 23:13:26 +00:00
Chris Lattner
939a8907ed make some stuff private.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76661 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 22:30:39 +00:00
Chris Lattner
bdf7a3ade1 improve comments.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76660 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 22:30:25 +00:00
Chris Lattner
7886ae9e3c inline a trivial method into its only call site and fix indentation of cases
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76654 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 21:29:08 +00:00
Chris Lattner
42b6418cc0 Remove some overridden functions in XCoreTargetAsmInfo that are
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
2009-07-21 21:26:32 +00:00
Eli Friedman
b3e7171926 Remove shift amount flavor. It isn't actually complete enough to
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
2009-07-21 20:12:16 +00:00
Chris Lattner
90f8b7073d Rename LessPrivateGlobalPrefix -> LinkerPrivateGlobalPrefix to match the
LLVM IR concept.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76590 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-21 17:30:51 +00:00
David Greene
76081c4ef7 Re-apply 75490, 75806 and 76177 with fixes and tests. Efficiency comes
next.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76486 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 22:02:59 +00:00
Eli Friedman
2f70f1a1d8 Remove FIXME that was already fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76457 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 19:45:16 +00:00
Daniel Dunbar
a3af370dc1 Add MCAsmParser interface.
- This provides the AsmParser interface to the target specific assembly
   parsers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76453 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 18:55:04 +00:00
Chris Lattner
1902fd9605 remove TargetAsmInfo::ExpandInlineAsm
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76445 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:59:32 +00:00
Chris Lattner
b810565152 Copy ExpandInlineAsm to TargetLowering from TargetAsmInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76441 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:51:36 +00:00
Chris Lattner
ff3d3adddb add some fixme's and cleanups. TargetAsmInfo shouldn't depend on VMCore eventually.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76439 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:47:48 +00:00
Chris Lattner
8f4e22ff9a remove dead forward decl
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76433 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:23:00 +00:00
Chris Lattner
83757c7fb5 rename TargetAsmInfo::getASDirective -> getDataASDirective
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76431 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 17:12:46 +00:00
Bruno Cardoso Lopes
0a38dc5fda For PC relative relocations where symbols are defined in the same section they
are referenced, ignore the relocation entry and patch the relocatable field with
the computed symbol offset directly


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76414 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-20 08:52:02 +00:00
Bruno Cardoso Lopes
e2b0ecd8be Use R_X86_64_32S to handle Jump Table Index relocation entries. Hide TAI usage inside getSection* functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76347 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 23:24:01 +00:00
Daniel Dunbar
edcb540496 Add some missing includes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 23:22:46 +00:00
Bruno Cardoso Lopes
617dd7baa6 Use a better name for the label relocations while emitting them for Jump Tables
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76334 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 20:52:11 +00:00
Bruno Cardoso Lopes
171375f73a Add support to properly reference private symbols on relocation entries.
Use proper relocation type to build relocations for JumpTables (rodata
sections).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76326 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 19:30:09 +00:00
Evan Cheng
5248468473 Enable cross register class coalescing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76281 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 02:10:10 +00:00
Evan Cheng
3837b64f41 Revert 76177 for now. It's messing up ARM asm printing. Also this significant debate about its efficiency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76279 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-18 01:43:53 +00:00
Daniel Dunbar
cbdf0e2455 Add llvm::InitializeAllTargetInfos and llvm::InitializeAllAsmParsers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76253 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 22:35:35 +00:00
Chris Lattner
e2cf37b88c Untangle a snarl that I discovered when updating the mangler,
starting in getCurrentFunctionEHName.  Among other problems,
we would try to privative a "foo.eh" label, but end up emitting
the label as _Lfoo.eh instead of L_foo.eh on darwin.  This is really
bad, and the linker has always tolerated these labels existing.
For now, just emit them as _foo.eh.

This patch also fixes problems with ".eh" labels on unnamed
functions and eliminates two strangely defined TargetAsmInfo
hooks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76231 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 20:46:40 +00:00
Daniel Dunbar
092a9dda2d Sketch support for target specific assembly parser.
- Not fully enabled yet, need a configure regeneration.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76230 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 20:42:00 +00:00
David Greene
ab9238e876 Add logic to align instruction operands to columns for pretty-printing.
No target uses this currently.  This patch only adds the mechanism so
that local installations can choose to enable this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76177 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-17 14:24:46 +00:00
Evan Cheng
378445303b Let callers decide the sub-register index on the def operand of rematerialized instructions.
Avoid remat'ing instructions whose def have sub-register indices for now. It's just really really hard to get all the cases right.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75900 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 09:20:10 +00:00
Daniel Dunbar
ff9834ab9d Kill off last uses of TargetMachineRegistry class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75892 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 02:41:19 +00:00
Daniel Dunbar
c981da0192 Fix gcc 4.0 build failure, can't rely on access inside nested friended class.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75891 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 02:38:28 +00:00
Daniel Dunbar
603bea3274 Add registered target list to --version output.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75889 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 02:06:09 +00:00
Daniel Dunbar
4ce78ee3be Add explicit comment that clients can call target initialization functions
multiple times.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75880 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-16 01:13:00 +00:00
Daniel Dunbar
5d77cad60b Lift addAssemblyEmitter into LLVMTargetMachine.
- No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75859 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 23:34:19 +00:00
Daniel Dunbar
cfe9a605ee Lift DumpAsm / -print-emitted-asm functionality into LLVMTargetMachine.
- No intended functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75848 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 22:33:19 +00:00
Daniel Dunbar
51b198af83 Reapply TargetRegistry refactoring commits.
--- Reverse-merging r75799 into '.':
 U   test/Analysis/PointerTracking
U    include/llvm/Target/TargetMachineRegistry.h
U    include/llvm/Target/TargetMachine.h
U    include/llvm/Target/TargetRegistry.h
U    include/llvm/Target/TargetSelect.h
U    tools/lto/LTOCodeGenerator.cpp
U    tools/lto/LTOModule.cpp
U    tools/llc/llc.cpp
U    lib/Target/PowerPC/PPCTargetMachine.h
U    lib/Target/PowerPC/AsmPrinter/PPCAsmPrinter.cpp
U    lib/Target/PowerPC/PPCTargetMachine.cpp
U    lib/Target/PowerPC/PPC.h
U    lib/Target/ARM/ARMTargetMachine.cpp
U    lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
U    lib/Target/ARM/ARMTargetMachine.h
U    lib/Target/ARM/ARM.h
U    lib/Target/XCore/XCoreTargetMachine.cpp
U    lib/Target/XCore/XCoreTargetMachine.h
U    lib/Target/PIC16/PIC16TargetMachine.cpp
U    lib/Target/PIC16/PIC16TargetMachine.h
U    lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
U    lib/Target/Alpha/AlphaTargetMachine.cpp
U    lib/Target/Alpha/AlphaTargetMachine.h
U    lib/Target/X86/X86TargetMachine.h
U    lib/Target/X86/X86.h
U    lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.h
U    lib/Target/X86/AsmPrinter/X86AsmPrinter.cpp
U    lib/Target/X86/AsmPrinter/X86IntelAsmPrinter.h
U    lib/Target/X86/X86TargetMachine.cpp
U    lib/Target/MSP430/MSP430TargetMachine.cpp
U    lib/Target/MSP430/MSP430TargetMachine.h
U    lib/Target/CppBackend/CPPTargetMachine.h
U    lib/Target/CppBackend/CPPBackend.cpp
U    lib/Target/CBackend/CTargetMachine.h
U    lib/Target/CBackend/CBackend.cpp
U    lib/Target/TargetMachine.cpp
U    lib/Target/IA64/IA64TargetMachine.cpp
U    lib/Target/IA64/AsmPrinter/IA64AsmPrinter.cpp
U    lib/Target/IA64/IA64TargetMachine.h
U    lib/Target/IA64/IA64.h
U    lib/Target/MSIL/MSILWriter.cpp
U    lib/Target/CellSPU/SPUTargetMachine.h
U    lib/Target/CellSPU/SPU.h
U    lib/Target/CellSPU/AsmPrinter/SPUAsmPrinter.cpp
U    lib/Target/CellSPU/SPUTargetMachine.cpp
U    lib/Target/Mips/AsmPrinter/MipsAsmPrinter.cpp
U    lib/Target/Mips/MipsTargetMachine.cpp
U    lib/Target/Mips/MipsTargetMachine.h
U    lib/Target/Mips/Mips.h
U    lib/Target/Sparc/AsmPrinter/SparcAsmPrinter.cpp
U    lib/Target/Sparc/SparcTargetMachine.cpp
U    lib/Target/Sparc/SparcTargetMachine.h
U    lib/ExecutionEngine/JIT/TargetSelect.cpp
U    lib/Support/TargetRegistry.cpp


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75820 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 20:24:03 +00:00
Stuart Hastings
2286f8dc4c Revert 75762, 75763, 75766..75769, 75772..75775, 75778, 75780, 75782 to repair broken LLVM-GCC build.
Will revert 75770 in the llvm-gcc trunk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75799 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 17:27:11 +00:00
Duncan Sands
8cb6626df1 Remove StringConstantPrefix now that the only user
(llvm-gcc) has gone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75781 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 12:39:48 +00:00
Daniel Dunbar
6c05796294 Kill off old (TargetMachine level, not Target level) match quality functions.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75780 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 12:26:05 +00:00
Daniel Dunbar
03f4bc5d6c Provide TargetMachine implementations with reference to Target they were created
from.
 - This commit is almost entirely propogating the reference through the
   TargetMachine subclasses' constructor calls.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75778 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 12:11:05 +00:00
Daniel Dunbar
6501145ec6 Kill off unused TargetMachineRegistry methods and ivars.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75774 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 11:48:36 +00:00
Daniel Dunbar
54785e6df0 Migrate llc and the JIT to using the TargetRegistry for lookups.
- They still use the TargetMachineRegistry to populate the contents of the
   -march option (via the listener interface). We can't just populate it in the
   option parser because we can't expect the TargetRegistry to be populated yet
   (we no longer rely on static constructors).

 - There are a couple ways to finish killing off TargetMachineRegistry, but I
   haven't figured out the cleanest one yet...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75773 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 11:36:15 +00:00
Daniel Dunbar
4d1be777f8 Include the Target& in the TargetMachineRegisterEntry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75772 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 11:23:49 +00:00
Daniel Dunbar
3fb7eee9c2 Allow multiple registrations of the same target.
- This doesn't necessarily seem like a good idea, but the JIT unittest
   currently relies on it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75769 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 10:32:44 +00:00
Daniel Dunbar
aca81c49d9 Initialize the target info via the InitializeNativeTarget() hook.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75768 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 10:29:55 +00:00
Daniel Dunbar
e0bda7df1a Reimplement TargetMachineRegistry in terms of TargetRegistry.
- This is a temporary hack to aid in incremental refactoring, for now we
   allocate a new TargetMachineRegistryEntry on every getClosest... call.

 - No intended functionality change, other than the leaked memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75766 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 09:53:37 +00:00
Daniel Dunbar
4883630360 Mark Target's creation routines as const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75763 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 09:38:10 +00:00
Daniel Dunbar
4246790aa8 Register Target's TargetMachine and AsmPrinter in the new registry.
- This abuses TargetMachineRegistry's constructor for now, this will get
   cleaned up in time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75762 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 09:22:31 +00:00
Daniel Dunbar
7a46d7898e Fix thinko
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75760 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 08:56:49 +00:00
Daniel Dunbar
6461716b50 Include Target specific Info initialization routine when initializing all
targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75756 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 07:48:39 +00:00
Daniel Dunbar
73b3ec4134 Address some review comments on TargetRegistry.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75753 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 07:09:29 +00:00
Daniel Dunbar
bb06129140 Add new TargetRegistry.
Targets implement a single global Target structure which will live in a new
<Target>/TargetInfo library; this will be present in any image which the target
is usable in.
 - Optional target specific classes can then be registered and attached to the
   Target description.

 - Registration for normal Targets will be done via the initialization functions
   instead of using static constructors.

 - This allows clients to use a single interface to obtain target data, without
   requiring the code generator be linked in. It also provides a natural
   extension point for adding new optional target data (assembler parser,
   disassembler, etc.).

 - This also provides a new entry point for obtaining a target for a particular
   triple (without a module).

 - Not yet used, however this should eventually replace the TargetMachineRegistry.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75739 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-15 04:24:58 +00:00
David Greene
71847813bc Have asm printers use formatted_raw_ostream directly to avoid a
dynamic_cast<>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75670 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 20:18:05 +00:00
Torok Edwin
c23197a26f llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable.
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75640 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-14 16:55:14 +00:00
Dan Gohman
2e4da5e4ab Delete a spurious const.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75493 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 20:46:11 +00:00
David Greene
014700c1a8 Add infrastructure to allow post instruction printing action triggers.
We'll eventually use this to print comments in asm files and do other
fun things.

This adds interfaces to the AsmPrinter and changes TableGen to invoke
the postInstructionAction when appropriate.  It also add parameters to
TargetAsmInfo to control comment layout.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75490 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 20:25:48 +00:00
Jakob Stoklund Olesen
ee787ff01a Add CCIfSRet calling convention predicate.
The blackfin calling convention uses a different register for sret arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75417 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-12 13:15:50 +00:00
Torok Edwin
c25e7581b9 assert(0) -> LLVM_UNREACHABLE.
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-11 20:10:48 +00:00
Evan Cheng
261ce1d5f8 Remove TargetInstrInfo::CommuteChangesDestination and added findCommutedOpIndices which returns the operand indices which are swapped (when applicable). This allows for some code clean up and future enhancements.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75264 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-10 19:15:51 +00:00
Evan Cheng
bfa5cf144a 80 col violation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75226 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-10 05:20:19 +00:00
Evan Cheng
910139f9ca Targets sometimes assign fixed stack object to spill certain callee-saved
registers based on dynamic conditions. For example, X86 EBP/RBP, when used as
frame register has to be spilled in the first fixed object. It should inform
PEI this so it doesn't get allocated another stack object. Also, it should not
be spilled as other callee-saved registers but rather its spilling and restoring
are being handled by emitPrologue and emitEpilogue. Avoid spilling it twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75116 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-09 06:53:48 +00:00
Bruno Cardoso Lopes
ac57e6e498 Add the Object Code Emitter class. Original patch by Aaron Gray, I did some
cleanup, removed some #includes and moved Object Code Emitter out-of-line.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74813 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-06 05:09:34 +00:00
Duncan Sands
98749f851d In this unreachable code, return an initialized value.
This stops gcc warning about possible uses of an uninitialized
value when compiling with assertions turned off.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74775 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-03 16:00:23 +00:00
Tilmann Scheller
ffd0200abf Implement the SVR4 ABI for PowerPC.
Implement LowerFORMAL_ARGUMENTS_SVR4().
Implement LowerCALL_SVR4().
Add support for split arguments.
Implement by value parameter passing for aggregates.
Add support for variable argument lists.
Create the spill area for argument registers of variable argument functions no longer at a fixed offset.
Make sure callee saved registers are spilled to the correct stack offsets.
Change allocation order of non-volatile floating-point registers.
Add VRSAVE to the list of callee-saved registers, add CallConvLowering for vararg calls.
Add support for variable argument calls with Vector arguments.
Add support for VR and VRSAVE save area, improve allocation order for non-volatile vector registers.
Stop creating illegal i8 values in LowerVASTART().
Add memory access width hints.
Make sure to reserve space on the stack for the frame pointer.
When using the SVR4 ABI, reserve r13 for the Small Data Area pointer.
Assure that the frame pointer is spilled to the correct location on the stack.
Some FP registers were not marked as volatile.
Make sure the i64 words from a long double are passed either both in registers or both on the stack.
Only put integer arguments in registers which are not marked with the inreg flag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74765 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-03 06:45:56 +00:00
Tilmann Scheller
6b61cd185e Add NumFixedArgs attribute to CallSDNode which indicates the number of fixed arguments in a vararg call.
With the SVR4 ABI on PowerPC, vector arguments for vararg calls are passed differently depending on whether they are a fixed or a variable argument. Variable vector arguments always go into memory, fixed vector arguments are put 
into vector registers. If there are no free vector registers available, fixed vector arguments are put on the stack.

The NumFixedArgs attribute allows to decide for an argument in a vararg call whether it belongs to the fixed or variable portion of the parameter list.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74764 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-03 06:44:53 +00:00
Bruno Cardoso Lopes
3d62a412fb Remove getFunctionAlignment from TargetELFInfo and use new MachineFunction alignment method
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74686 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-02 02:13:13 +00:00
Bill Wendling
b4202b84d7 Update comments to make it clear that the function alignment is the Log2 of the
bytes and not bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74624 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-01 18:50:55 +00:00
Bill Wendling
20c568f366 Add an "alignment" field to the MachineFunction object. It makes more sense to
have the alignment be calculated up front, and have the back-ends obey whatever
alignment is decided upon.

This allows for future work that would allow for precise no-op placement and the
like.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74564 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-30 22:38:32 +00:00
David Greene
02a6218774 Increase limit for OpActions array
The OpActions array had a limit of 32 value types, so change it to use
MVT::MAX_ALLOWED_VALUETYPE in its declaration and change the accesses to
this array to work with a VT.getSimpleVT() that is larger than 32.

Also, add a comment to the place where MVT::MAX_ALLOWED_VALUETYPE is
defined indicating that it must be a multiple of 32.

This is part of the work allow MVT::LAST_VALUETYPE be greater than 32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74130 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-24 22:22:02 +00:00
David Greene
f2e19d5dcf This increases the maximum for MVT::LAST_VALUETYPE
This change doubles the allowable value for MVT::LAST_VALUETYPE. It does
this by doing several things.

1. Introduces MVT::MAX_ALLOWED_LAST_VALUETYPE which in this change has a
value of 64.  This value contains the current maximum for the
MVT::LAST_VALUETYPE.

2. Instead of checking "MVT::LAST_VALUETYPE <= 32", all of those uses
now become "MVT::LAST_VALUETYPE <= MVT::MAX_ALLOWED_LAST_VALUETYPE"

3. Changes the dimension of the ValueTypeActions from 2 elements to four
elements and adds comments ahead of the declaration indicating the it is
"(MVT::MAX_ALLOWED_LAST_VALUETYPE/32) * 2".  This at least lets us find
what is affected if and when MVT::MAX_ALLOWED_LAST_VALUETYPE gets
changed.

4. Adds initializers for the new elements of ValueTypeActions.

This does NOT add any types in MVT. That would be done separately.

This doubles the size of ValueTypeActions from 64 bits to 128 bits and
gives us the freedom to add more types for AVX.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74110 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-24 19:41:55 +00:00
Bob Wilson
a96751fc8f Provide InitializeAllTargets and InitializeNativeTarget functions in the
C bindings.  Change all the backend "Initialize" functions to have C linkage.
Change the "llvm/Config/Targets.def" header to use C-style comments to avoid
compile warnings.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74026 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-23 23:59:40 +00:00
Douglas Gregor
bcba7f95c2 Work around build problem with OpenJDK, which defines X86 as a
macro. Fixes PR 4427. Patch by Xerxes Rånby!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73961 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-23 17:21:35 +00:00
Bruno Cardoso Lopes
0d3193ef3c Add more methods to gather target specific elf stuff
Support for .text relocations, implementing TargetELFWriter overloaded methods for x86/x86_64.
Use a map to track global values to their symbol table indexes
Code cleanup and small fixes



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73894 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-22 19:16:16 +00:00
Chris Lattner
c12430644a implement support for lowering subregs when preparing to print
LEA64_32r, eliminating a bunch of modifier logic stuff on addr modes.

Implement support for printing mbb labels as operands.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73817 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-20 07:03:18 +00:00
Devang Patel
1e86a66b00 mv CodeGen/DebugLoc.h Support/DebugLoc.h
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73786 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-19 22:08:58 +00:00
Chris Lattner
4e0f25b603 merge the common darwin settings from the X86/PPC/ARM targets
into DarwinTargetAsmInfo.cpp.  The remaining differences should
be evaluated.  It seems strange that x86/arm has .zerofill but ppc
doesn't, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73742 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-19 00:08:39 +00:00
Chris Lattner
a93ca92379 move mangler quote handling from asm printers to TargetAsmInfo.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73738 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-18 23:41:35 +00:00
Chris Lattner
b839c3f577 simplify macro debug info directive handling.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73736 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-18 23:31:37 +00:00
Evan Cheng
f9f1da17f8 - Update register allocation hint after coalescing. This is done by the target since the hint is target dependent. This is important for ARM register pair hints.
- Register allocator should resolve the second part of the hint (register number) before passing it to the target since it knows virtual register to physical register mapping.
- More fixes to get ARM load / store double word working.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73671 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-18 02:04:01 +00:00
Chris Lattner
5f1a5c7f57 Add a utility header that makes it easy to link in the right set
of targets for various purposes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73610 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-17 16:42:01 +00:00
Anton Korobeynikov
0d492bdf4d Address more comments :)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73430 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-15 22:08:48 +00:00
Anton Korobeynikov
52edfc7a6d Document ABIType enum. Patch by Sandeep Patel!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73427 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-15 21:46:02 +00:00
Evan Cheng
358dec5180 Part 1.
- Change register allocation hint to a pair of unsigned integers. The hint type is zero (which means prefer the register specified as second part of the pair) or entirely target dependent.
- Allow targets to specify alternative register allocation orders based on allocation hint.

Part 2.
- Use the register allocation hint system to implement more aggressive load / store multiple formation.
- Aggressively form LDRD / STRD. These are formed *before* register allocation. It has to be done this way to shorten live interval of base and offset registers. e.g.
v1025 = LDR v1024, 0
v1026 = LDR v1024, 0
=>
v1025,v1026 = LDRD v1024, 0

If this transformation isn't done before allocation, v1024 will overlap v1025 which means it more difficult to allocate a register pair.

- Even with the register allocation hint, it may not be possible to get the desired allocation. In that case, the post-allocation load / store multiple pass must fix the ldrd / strd instructions. They can either become ldm / stm instructions or back to a pair of ldr / str instructions.

This is work in progress, not yet enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73381 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-15 08:28:29 +00:00
Evan Cheng
90f95f88c6 Move register allocation preference (or hint) from LiveInterval to MachineRegisterInfo. This allows more passes to set them.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73346 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14 20:22:55 +00:00
Bruno Cardoso Lopes
ae9163f0e2 Introduce new BinaryObject (blob) class, ELF Writer modified to use it. BinaryObject.h by Aaron Gray
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73333 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-14 07:53:21 +00:00
Bruno Cardoso Lopes
d00d4159d4 Use forward declarations and move TargetELFWriterInfo impl to a new file.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73209 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11 22:13:00 +00:00
Bruno Cardoso Lopes
c997d45ae5 Support for ELF Visibility
Emission for globals, using the correct data sections
Function alignment can be computed for each target using TargetELFWriterInfo
Some small fixes



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73201 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11 19:16:03 +00:00
David Greene
f5aefbdb79 Change IndexedModeAction representation.
This changes the IndexedModeAction representation to remove the
limitation on the number of value types in MVT.  This limitation
prevents us from specifying AVX types.

Prior to this change IndexedModActions was represented as follows...

uint64_t IndexedModeActions[2][ISD::LAST_INDEXED_MODE];

the first dimension was used to represent loads, then stores.  This
imposed a limitation of 32 on the number of value types that could be
handled with this method.  The value type was used to shift the two bits
into and out of the approprate bits in the uint64_t.

With this change the array is now represented as ...

uint8_t IndexedModeActions[MVT::LAST_VALUETYPE][2][ISD::LAST_INDEXED_MODE];

Takes more space but removes the limitation on MVT::LAST_VALUETYPE.  The
first dimension is now the value_type for the reference.  The second
dimension is the load [0] vs. store[1].  The third dimension represents
the various modes for load store.  Accesses are now direct, no shifting
or masking.

There are other limitations that need to be removed, so that
MVT::LAST_VALUETYPE can be greater than 32.  This is merely the first
step towards that goal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73104 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-09 00:19:10 +00:00
David Greene
63ec51d86b Oops, didn't mean to commit 73102 yet. Revert it.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73103 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08 23:54:42 +00:00
David Greene
9df4eb8cfe Change IndexedModeAction representation.
This changes the IndexedModeAction representation to remove the
limitation on the number of value types in MVT.  This limitation
prevents us from specifying AVX types.

Prior to this change IndexedModActions was represented as follows...

uint64_t IndexedModeActions[2][ISD::LAST_INDEXED_MODE];

the first dimension was used to represent loads, then stores.  This
imposed a limitation of 32 on the number of value types that could be
handled with this method.  The value type was used to shift the two bits
into and out of the approprate bits in the uint64_t.

With this change the array is now represented as ...

uint8_t IndexedModeActions[MVT::LAST_VALUETYPE][2][ISD::LAST_INDEXED_MODE];

Takes more space but removes the limitation on MVT::LAST_VALUETYPE.  The
first dimension is now the value_type for the reference.  The second
dimension is the load [0] vs. store[1].  The third dimension represents
the various modes for load store.  Accesses are now direct, no shifting
or masking.

There are other limitations that need to be removed, so that
MVT::LAST_VALUETYPE can be greater than 32.  This is merely the first
step towards that goal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73102 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08 23:53:19 +00:00
Anton Korobeynikov
0eebf653a7 The attached patches implement most of the ARM AAPCS-VFP hard float
ABI. The missing piece is support for putting "homogeneous aggregates"
into registers.

Patch by Sandeep Patel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73095 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08 22:53:56 +00:00
David Greene
e1b469170b Make IntInits and ListInits typed. This helps deduce types of !if and
other operators.  For the rare cases where a list type cannot be
deduced, provide a []<type> syntax, where <type> is the list element
type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73078 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-08 20:23:18 +00:00
Bruno Cardoso Lopes
f5b0c5a1c7 Remove elf specific info from ELFWriter.h to Elf.h. Code cleanup and more comments added
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72982 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-06 03:56:29 +00:00
Devang Patel
578efa920a Add new function attribute - noimplicitfloat
Update code generator to use this attribute and remove NoImplicitFloat target option.
Update llc to set this attribute when -no-implicit-float command line option is used.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72959 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-05 21:57:13 +00:00
Nate Begeman
abc0199680 Adapt the x86 build_vector dagcombine to the current state of the legalizer.
build vectors with i64 elements will only appear on 32b x86 before legalize.
Since vector widening occurs during legalize, and produces i64 build_vector 
elements, the dag combiner is never run on these before legalize splits them
into 32b elements.

Teach the build_vector dag combine in x86 back end to recognize consecutive 
loads producing the low part of the vector.

Convert the two uses of TLI's consecutive load recognizer to pass LoadSDNodes
since that was required implicitly.

Add a testcase for the transform.

Old:
	subl	$28, %esp
	movl	32(%esp), %eax
	movl	4(%eax), %ecx
	movl	%ecx, 4(%esp)
	movl	(%eax), %eax
	movl	%eax, (%esp)
	movaps	(%esp), %xmm0
	pmovzxwd	%xmm0, %xmm0
	movl	36(%esp), %eax
	movaps	%xmm0, (%eax)
	addl	$28, %esp
	ret

New:
	movl	4(%esp), %eax
	pmovzxwd	(%eax), %xmm0
	movl	8(%esp), %eax
	movaps	%xmm0, (%eax)
	ret




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72957 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-05 21:37:30 +00:00
Devang Patel
d18e31ae17 Add new function attribute - noredzone.
Update code generator to use this attribute and remove DisableRedZone target option.
Update llc to set this attribute when -disable-red-zone command line option is used.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72894 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-04 22:05:33 +00:00
Dale Johannesen
874ae251c3 Revert 72707 and 72709, for the moment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72712 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-02 03:12:52 +00:00
Dale Johannesen
4150d83abe Make the implicit inputs and outputs of target-independent
ADDC/ADDE use MVT::i1 (later, whatever it gets legalized to)
instead of MVT::Flag.  Remove CARRY_FALSE in favor of 0; adjust
all target-independent code to use this format.

Most targets will still produce a Flag-setting target-dependent
version when selection is done.  X86 is converted to use i32
instead, which means TableGen needs to produce different code
in xxxGenDAGISel.inc.  This keys off the new supportsHasI1 bit
in xxxInstrInfo, currently set only for X86; in principle this
is temporary and should go away when all other targets have
been converted.  All relevant X86 instruction patterns are
modified to represent setting and using EFLAGS explicitly.  The
same can be done on other targets.

The immediate behavior change is that an ADC/ADD pair are no
longer tightly coupled in the X86 scheduler; they can be
separated by instructions that don't clobber the flags (MOV).
I will soon add some peephole optimizations based on using
other instructions that set the flags to feed into ADC.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72707 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-01 23:27:20 +00:00
Bruno Cardoso Lopes
a3f99f9033 First patch in the direction of splitting MachineCodeEmitter in two subclasses:
JITCodeEmitter and ObjectCodeEmitter. No functional changes yet. Patch by Aaron Gray



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72631 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30 20:51:52 +00:00
Bill Wendling
4d4eab219a Untabify.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72603 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-30 00:58:37 +00:00
Evan Cheng
abdbc57abb Default isNarrowingProfitable to false.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72561 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-29 05:31:40 +00:00
Evan Cheng
8b944d39b3 Added optimization that narrow load / op / store and the 'op' is a bit twiddling instruction and its second operand is an immediate. If bits that are touched by 'op' can be done with a narrower instruction, reduce the width of the load and store as well. This happens a lot with bitfield manipulation code.
e.g.
orl     $65536, 8(%rax)
=>
orb     $1, 10(%rax)

Since narrowing is not always a win, e.g. i32 -> i16 is a loss on x86, dag combiner consults with the target before performing the optimization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72507 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-28 00:35:15 +00:00
Anton Korobeynikov
41a024385f Propagate CPU string out of SubtargetFeatures
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@72335 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-23 19:50:50 +00:00
Evan Cheng
6ebf7bc740 Run code placement optimization for targets that want it (arm and x86 for now).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71726 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-13 21:42:09 +00:00
Dan Gohman
f46ef0450f Clarify a comment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71561 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-12 17:08:34 +00:00
Jay Foad
8d730fbde5 Don't #include DerivedTypes.h from TargetData.h.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71468 91177308-0d34-0410-b5e6-96231b3b80d8
2009-05-11 19:38:09 +00:00