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d305035155
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11581 Commits

Author SHA1 Message Date
Chris Lattner
d305035155 implement mc asmparser support for '.', which gets the 
current PC.  rdar://7834775

We now produce an identical .o file compared to the cctools
assembler for something like this:

_f0:
L0:
        jmp L1
        .long . - L0
L1:
        jmp A
        .long . - L1

        .zerofill __DATA,_bss,A,0



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101227 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-14 04:40:28 +00:00
Daniel Dunbar
07b3a041b4 Fix -Asserts warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 23:34:11 +00:00
Sean Callanan
535f4de469 Quick fix for build errors caused by undefined 
NULL.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101180 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 21:36:35 +00:00
Sean Callanan
9899f70a74 Fixed a nasty layering violation in the edis source 
code.  It used to #include the enhanced disassembly
information for the targets it supported straight
out of lib/Target/{X86,ARM,...} but now it uses a
new interface provided by MCDisassembler, and (so
far) implemented by X86 and ARM.

Also removed hacky #define-controlled initialization
of targets in edis.  If clients only want edis to
initialize a limited set of targets, they can set
--enable-targets on the configure command line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 21:21:57 +00:00
Dan Gohman
81bf03eb5c Eliminate MachineBasicBlock::const_livein_iterator and make 
MachineBasicBlock::livein_iterator a const_iterator, because
clients shouldn't ever be using the iterator interface to
mutate the livein set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101147 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 16:57:55 +00:00
Dan Gohman
13e73f483e Move MachineRegisterInfo's isLiveIn and isLiveOut out of line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 16:55:37 +00:00
Dan Gohman
5c982949bf Delete an unused member variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 16:51:39 +00:00
Owen Anderson
fd64901579 SCCVN, we hardly knew ye! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 05:24:08 +00:00
Daniel Dunbar
afc9a0c6b0 VMCore: Add Type::getIntN[Ptr]Ty, which are the obvious generic forms of 
Type::getInt{1,8,...}[Ptr]Ty, so code can consistently use the methods on Type
without occasionally needed to call IntegerType::get.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 01:39:07 +00:00
Daniel Dunbar
ee09d2781d IRBuilder: Add Create{Shl,LShr,And,Or,Xor} methods from uin64_t and APInt constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 01:38:57 +00:00
Chris Lattner
43ac721e3b add llvm codegen support for -ffunction-sections and -fdata-sections, 
patch by Sylvere Teissier!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-13 00:36:43 +00:00
Dan Gohman
53c66eacc4 Enhance ScalarEvolution::isKnownPredicate with support for 
loop conditions which are invariants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100995 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 22:16:48 +00:00
Dan Gohman
e48172710b Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 22:07:56 +00:00
Dan Gohman
d908bbf727 Fix a #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 19:27:52 +00:00
Dan Gohman
3948d0b8b0 Rename isLoopGuardedByCond to isLoopEntryGuardedByCond, to emphasise 
that it's only testing for the entry condition, not full loop-invariant
conditions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100979 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 19:27:13 +00:00
Benjamin Kramer
b61e94fcf8 utostr isn't going away too soon, try to make it slightly smaller. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100977 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-11 19:00:03 +00:00
Ted Kremenek
76e94e541c Move 'Optional' class from Clang to LLVM/ADT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 20:25:54 +00:00
Bob Wilson
666f8cb9b7 Fix up header comments to match the comment fixups I made in r100849. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100869 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 16:24:49 +00:00
Dan Gohman
094b1c851d Don't use reserved identifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100838 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-09 01:19:28 +00:00
Dan Gohman
e056781323 Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100824 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 23:03:40 +00:00
Chris Lattner
287df1bc03 delete a forwarding function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 21:34:17 +00:00
Chris Lattner
74aae4726a move elf section uniquing to MCContext. Along the way 
merge XCore's section into MCSectionELF


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 21:26:26 +00:00
Chris Lattner
22772214de remove the TargetLoweringObjectFileMachO::getMachoSection 
api and update clients to use MCContext instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:40:11 +00:00
Chris Lattner
f0559e4b24 move macho section uniquing from MCParser and TLOF to MCContext where 
the compiler and asmparser now unique to the same sections.  This fixes
rdar://7835021.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:30:37 +00:00
Evan Cheng
a57fabe815 Coalescer should not delete copy instructions whose defs are partially dead. e.g. 
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 20:02:37 +00:00
Dan Gohman
113902e9fb Add a -lint pass which checks for common sources of undefined or likely 
unintended behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 18:47:09 +00:00
Dan Gohman
88ccf742a3 Fix a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100783 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 17:41:04 +00:00
Benjamin Kramer
180c3d4edd Provide operator delete for BumpPtrAllocator and RecyclingAllocator. They will 
never be called but msvc complains that they're missing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100766 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 15:22:35 +00:00
Evan Cheng
c3b0c341e7 Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-08 07:37:57 +00:00
Evan Cheng
2dbc8bdfe9 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:51:38 +00:00
Chris Lattner
38686bdffd introduce a new recoverable error handling API to LLVMContext 
and use it in one place in inline asm handling stuff.  Before
we'd generate this for an invalid modifier letter:

$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl    ${0:Z}'
INLINEASM <es:abc incl    ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>


Now we generate this:

$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl    ${0:Z}'
asm.c:3:12: note: generated from here
  __asm__ ("incl    %Z0" : "+r" (X));
           ^
1 error generated.

This is much better but still admittedly not great ("why" is the operand 
invalid??), codegen should try harder with its diagnostics :)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100723 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:40:44 +00:00
Chris Lattner
b0094c2404 rename llvm_install_error_handler -> install_fatal_error_handler 
and friends.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100717 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:12:29 +00:00
Eric Christopher
71988f1e5b Add support for stpncpy_chk. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 23:00:07 +00:00
Chris Lattner
75361b69f3 rename llvm::llvm_report_error -> llvm::report_fatal_error 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:58:41 +00:00
Chris Lattner
1ca6531e2e remove some unneeded errorhandling stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100703 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:44:07 +00:00
Chris Lattner
f88c856a47 minor tidying up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100702 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:41:29 +00:00
Dan Gohman
448db1cdef Generalize IVUsers to track arbitrary expressions rather than expressions 
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.

This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.

This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 22:27:08 +00:00
Anton Korobeynikov
4b38debf59 Remove late ARM codegen optimization pass committed by accident. 
It is not ready for public yet.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100673 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:23:27 +00:00
Anton Korobeynikov
9ad709b523 Since tblgen bug was fixed (thanks Jakob!) we don't need InstrStage2 hack anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100667 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:21:41 +00:00
Anton Korobeynikov
391b3431e2 Make use of new reserved/required scheduling stuff: introduce VFP and NEON locks to model domain cross stalls precisly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100646 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:19:40 +00:00
Anton Korobeynikov
96085a36db Initial support for different kinds of FU reservation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:19:32 +00:00
Anton Korobeynikov
977dfcefa1 Add hook to insert late LLVM=>LLVM passes just before isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 18:18:42 +00:00
Chris Lattner
decc267151 Three changes: 
1. Introduce some enums and accessors in the InlineAsm class
   that eliminate a ton of magic numbers when handling inline
   asm SDNode.
2. Add a new MDNodeSDNode selection dag node type that holds
   a MDNode (shocking!)
3. Add a new argument to ISD::INLINEASM nodes that hold !srcloc
   metadata, propagating it to the instruction emitter, which
   drops it.

No functionality change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 05:20:54 +00:00
Evan Cheng
d94671a25e Post regalloc LICM. Work in progress. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100592 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-07 00:41:17 +00:00
Bill Wendling
aa59c88a6e Make this hack more specific to the Apple gcc 4.2 non-LLVM compiler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 20:07:21 +00:00
Chris Lattner
779804353d this accessor doesn't need to copy the string. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:37:22 +00:00
Chris Lattner
b019491b8d enhance SMDiagnostic to also maintain a pointer to the SourceMgr. 
Add a simplified constructor for clients that don't have locations
like "file not found" errors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 18:06:18 +00:00
Jakob Stoklund Olesen
adc6e06ff0 Avoid overflowing a signed integer which triggers undefined behaviour. 
Overflowing an unsigned integer is fine and behaves as you would expect.
Also fix a pasto, allowing SignExtend64 to take a 64-bit argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 03:12:43 +00:00
Chris Lattner
885d94143d propagate cookie management out one layer of function calls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100510 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:58:50 +00:00
Chris Lattner
421ccd9892 Give MachineModuleInfo an actual Module*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100508 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-04-06 00:51:52 +00:00