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Author SHA1 Message Date
Evan Cheng
78dd9dbdfb Eliminate a redudant check Eli pointed out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76762 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 18:08:05 +00:00
Sanjiv Gupta
3185a4ac6d Fixed build warning. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76761 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 17:58:47 +00:00
Devang Patel
e54abc90fe Introduce MetadataBase, a base class for MDString and MDNode. 
Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76759 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 17:43:22 +00:00
Daniel Dunbar
dbe77cfa0b Support writing a StringRef to a raw_ostream directly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76754 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 17:13:20 +00:00
Chris Lattner
59fec6a532 fix some wording problems Daniel pointed out, make a example actually real. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76751 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 16:54:14 +00:00
Chris Lattner
38c3363090 doxygenify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76750 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 16:53:56 +00:00
Chris Lattner
71d8f3b9e4 fix typo noticed by Duncan 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76747 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 16:30:39 +00:00
Ryan Flynn
b714c08eb8 cast signed APInt constructor params to uint64_t to suppress signedness warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76744 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 16:17:36 +00:00
Duncan Sands
a926697373 Add newline at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76736 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 13:20:41 +00:00
Richard Osborne
5550f62778 Thread local globals don't require special handling by the linker and so can 
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
 2009-07-22 11:01:00 +00:00
Torok Edwin
fd5545b789 Remove a comment that was copy+pasted from the wrong place, 
there is no MachineFunction here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76734 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 10:49:23 +00:00
Duncan Sands
ed4b2dc313 Revert commit 76707, it was breaking the llvm-gcc build 
on linux platforms.  The binutils assembler does not
recognize the "s" flag, see for example
http://sourceware.org/binutils/docs/as/Section.html 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76733 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 10:35:05 +00:00
Eli Friedman
6dae757a07 Don't give a massive inlining cost bonus to available_externally 
functions with a single use; eliminating the single use may eliminate 
the function from the current module, but usually doesn't eliminate 
it from the final program.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76730 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 08:12:59 +00:00
Evan Cheng
756da12ae4 Don't forget D16 - D31 are clobbered by calls and sjlj eh. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76729 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 06:46:53 +00:00
Evan Cheng
4a8b7d030b Add R12 to the list of registers clobbered by 16-bit Thumb calls as a pre-caution. r12 could be live once we have mixed 32-bit and 16-bit instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76728 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 06:37:28 +00:00
Evan Cheng
3b6627b944 Fix a obvious copy-n-paste bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76727 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 06:12:40 +00:00
Evan Cheng
8295d99bff Get rid one of the getRegisterNumbering. Also add D16 - D31. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76725 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 05:55:18 +00:00
Chris Lattner
219bd29c05 remove Bill from the author list: his contribution (describing llvm::Ostream 
and friends) has been removed awhile ago.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76724 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 05:43:01 +00:00
Chris Lattner
d283cb12f2 add some more topics to the coding standards doc: 
* Use Early Exits and 'continue' to Simplify Code
* Turn Predicate Loops into Predicate Functions
* Spaces Before Parentheses
* Namespace Indentation
* Anonymous Namespaces



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76723 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 05:40:54 +00:00
Eli Friedman
1126038436 Attempt to fix BuildBot breakage with MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76722 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 05:06:41 +00:00
Chris Lattner
d8afc46ffe fix some formatting stuff, patch by Edward O'Callaghan! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76718 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 04:21:40 +00:00
Eric Christopher
be9408ec86 Remove intrinsic support for __builtin_ia32_vec_set_v16qi and 
__builtin_ia32_vec_set_v4si as these should be lowered in the
front-end to inserts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 01:11:48 +00:00
Eli Friedman
3dae284f5e Add support for MMX VSETCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76713 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 01:06:52 +00:00
Sean Callanan
5292588ad4 Added the unconditional JMP with an 8-bit relocation for the 
assembler / disassembler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76712 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 01:05:20 +00:00
Evan Cheng
064a6eacab Add an entry. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76711 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:58:27 +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
828f704c10 set the ELF "small" flag on objects that end up in .rodata.cst4 consistently, 
updating a mips testcase to expect it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76707 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:41:56 +00:00
Chris Lattner
2804616ba3 don't set the small flag yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76706 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:30:39 +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
Owen Anderson
e922c02019 Get rid of the Pass+Context magic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76702 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:24:57 +00:00
Chris Lattner
7cf12c7efd reimplement Constant::ContainsRelocations as 
Constant::getRelocationInfo(), which has a much simpler
to use API.  It still should not be part of libvmcore, but
is better than it was.  Also teach it to be smart about 
hidden visibility.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76700 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:05:44 +00:00
Dan Gohman
9c5beed5f5 Misc. doc fixes following suggestions from Eli. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76699 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-22 00:04:19 +00:00
Evan Cheng
5d8f1cae76 Fixing cp island pass. Step 1: Determine whether the constant pool offset can be 
negative on an individual bases rather than basing on whether it's in thumb
mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76698 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:56:01 +00:00
Evan Cheng
7fdf962e5c Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76693 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:54:22 +00:00
Chris Lattner
b2fb9ccbb7 simplify code now that it is inlined. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76689 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:49:55 +00:00
Lang Hames
fae02a2ab1 Exposed PHIElimination pass within CodeGen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76688 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:47:33 +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
Eric Christopher
248f80d488 Add intrinsic for __builtin_ia32_vec_set_v4si which turns out to be 
pinsrd in sse4.1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76684 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:43:14 +00:00
Chris Lattner
1a1b323504 this doesn't break any of the 4 ia64 tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76683 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:42:24 +00:00
Chris Lattner
9d8052f08f alpha doesn't need to redefine this: it only supports PIC codegen anyway. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76682 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:41:35 +00:00
David Greene
80607c9b2b Add some support for iterative coalescers to calculate a joined live 
range's weight properly.  This is turned off right now in the sense that
you'll get an assert if you get into a situation that can only be caused
by an iterative coalescer.  All other code paths operate exactly as
before so there is no functional change with this patch.  The asserts
should be disabled if/when an iterative coalescer gets added to trunk.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76680 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:36:14 +00:00
Chris Lattner
354c0165e7 no really, I can spell! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76679 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:36:01 +00:00
Chris Lattner
cb45963643 add an API so target-independent codegen can determine if a constant 
pool entry will require relocations against it.  I implemented this
conservatively for ARM, someone who is knowledgable about it should
see if this can be improved.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76678 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:34:23 +00:00
Dan Gohman
ce9fe9fae5 Convert instcombine from using using getAnalysis<TargetData> to 
getAnalysisIfAvailable<TargetData>.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76676 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:21:54 +00:00
Dan Gohman
295643b805 Permit the IntPtrTy argument to isEliminableCastPair to be null, 
to help support use when TargetData is not available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76675 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:19:40 +00:00
Chris Lattner
aedb59a541 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76674 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:17:26 +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
Dan Gohman
0f4b285a5b Replace the original ad-hoc code for determining whether (v pred w) implies 
(x pred y) with more thorough code that does more complete canonicalization
before resorting to range checks. This helps it find more cases where
the canonicalized expressions match.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76671 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 23:03:19 +00:00
Evan Cheng
47b1e2afd0 Remove a big test case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76669 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-21 22:52:04 +00:00