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12796 Commits

Author SHA1 Message Date
Jan Wen Voung
7df9bf0092 Move logic of determining ELF entsize from the .s printer to initialization 
time. That way, the EntrySize field is initialized for other code paths, 
namely, the .ll -> .o code path.

llvm-svn: 115141
 2010-09-30 05:59:22 +00:00
Jason W Kim
7822e6aab5 Tiny patch for proof-of-concept cleanup of ARMAsmPrinter::EmitStartOfAsmFile() 
Small test for sanity check of resulting ARM .s file.
Tested against -r115129.

llvm-svn: 115133
 2010-09-30 02:45:56 +00:00
Rafael Espindola
3e2630deca Make it possible for the MCObjectWriter to decide if a given fixup is fully 
resolved or not. Different object files have different restrictions and
different native assemblers have different idiosyncrasies we want to emulate
for now.

Move the existing MachO logic to the new place and implement an ELF one that
gets fixups to globals right.

llvm-svn: 115131
 2010-09-30 02:22:20 +00:00
Jim Grosbach
046ae5dbac Let a target specify whether it wants an assembly printer to be the MC version 
or not. TableGen needs to generate the printInstruction() function as taking
an MCInstr* or a MachineInstr*, depending. Default to the old non-MC
version so that everything not yet using MC continues to just work without
fidding.

llvm-svn: 115126
 2010-09-30 01:29:54 +00:00
Owen Anderson
aafc02daa9 Revert r115099 (adding early jump threading). It's not clear if the benefits are worth the compile time cost. 
llvm-svn: 115106
 2010-09-29 23:31:09 +00:00
Devang Patel
41e2a94595 Let FE mark a variable as artificial variable. 
llvm-svn: 115102
 2010-09-29 23:07:21 +00:00
Owen Anderson
2511059a16 Early CFG simplification can fold conditionals down to selects, which is often a good thing, but it can also 
hide jump threading opportunities by turning control flow into data flow.  Run an early JumpThreading pass
(adds approximately an additional 1% to optimization time on SPEC), allowing it to get a shot at these cases
first.  Fixes <rdar://problem/8447345>.

llvm-svn: 115099
 2010-09-29 22:57:02 +00:00
Evan Cheng
b44d480808 Model Cortex-a9 load to SUB, RSB, ADD, ADC, SBC, RSC, CMN, MVN, or CMP 
pipeline forwarding path.

llvm-svn: 115098
 2010-09-29 22:42:35 +00:00
Devang Patel
f600d9f0ed Add support to let FE encode method access specifier. 
llvm-svn: 115089
 2010-09-29 21:44:16 +00:00
Devang Patel
bbd003ab48 Generalize DISubprogram element to encode various flags instead of just one boolean for isArtificial. 
This is a backword compatible change.

llvm-svn: 115084
 2010-09-29 21:04:46 +00:00
Chris Lattner
b7bfd3de07 remove PointerTracking from mainline, Edwin is going to move it out to ClamAV 
for LLVM 2.9

llvm-svn: 115062
 2010-09-29 18:43:27 +00:00
Chris Lattner
cbecb9a4d3 implement rdar://8456378 and PR7557 - support for the fstsw, 
an instruction that requires a WHOLE NEW wonderful kind of alias.

llvm-svn: 115015
 2010-09-29 01:50:45 +00:00
Chris Lattner
9b9a847b8c change the protocol TargetAsmPArser::MatchInstruction method to take an 
MCStreamer to emit into instead of an MCInst to fill in.  This allows the
matcher extra flexibility and is more convenient.

llvm-svn: 115014
 2010-09-29 01:42:58 +00:00
Evan Cheng
39c462b4f1 Add support to model pipeline bypass / forwarding. 
llvm-svn: 115005
 2010-09-28 23:50:49 +00:00
Owen Anderson
c0e1200323 Part one of switching to using a more sane heuristic for determining if-conversion profitability. 
Rather than having arbitrary cutoffs, actually try to cost model the conversion.

For now, the constants are tuned to more or less match our existing behavior, but these will be
changed to reflect realistic values as this work proceeds.

llvm-svn: 114973
 2010-09-28 18:32:13 +00:00
Devang Patel
e1f502ee26 Provide an interface to let FEs anchor debug info for types. 
llvm-svn: 114969
 2010-09-28 18:08:20 +00:00
Bill Wendling
3e1b942231 Add a new scope type "LTO_SYMBOL_SCOPE_DEFAULT_CAN_BE_HIDDEN" for the 
"linker_private_weak_auto_def" linkage type for LTO.

llvm-svn: 114868
 2010-09-27 20:17:45 +00:00
Daniel Dunbar
7179426193 MC/AsmParser: Handle exponents in floating point literals. 
llvm-svn: 114861
 2010-09-27 20:12:52 +00:00
Rafael Espindola
843df9bbed Remove unused argument. 
llvm-svn: 114852
 2010-09-27 18:13:03 +00:00
Benjamin Kramer
cd6c025b08 Push twines deeper into SourceMgr's error handling methods. 
llvm-svn: 114847
 2010-09-27 17:42:11 +00:00
Dan Gohman
8443b40d5f writeGraph doesn't need its ShortNames argument. 
llvm-svn: 114842
 2010-09-27 16:59:51 +00:00
Dan Gohman
830a560eef Don't construct a redundant GraphWriter object. 
llvm-svn: 114838
 2010-09-27 16:54:13 +00:00
Dan Gohman
96a88043ca Factor out code from the standalone WriteGraph function into a helper 
function on GraphWriter.

llvm-svn: 114837
 2010-09-27 16:44:11 +00:00
Dan Gohman
3c72647fd5 Constify properlyDominates in the same manner as dominates. 
Add constified overloads for findNearestCommonDominator.

llvm-svn: 114834
 2010-09-27 16:33:31 +00:00
Dan Gohman
773c8a1c76 Add support for viewing graphviz graphs with xdot.py. 
llvm-svn: 114832
 2010-09-27 16:28:34 +00:00
Dan Gohman
f9d7d6c9f9 Add an all() method to BitVector, for testing whether all bits are set. 
llvm-svn: 114830
 2010-09-27 15:48:37 +00:00
Dan Gohman
e024d78aab Remove WriteGraph's Name argument, which it didn't use, and 
rename writeHeader's Name argument to Title, to be consistent
with WriteGraph.

llvm-svn: 114829
 2010-09-27 15:34:19 +00:00
Dan Gohman
31cdf8db52 Fix indentation. 
llvm-svn: 114827
 2010-09-27 14:44:14 +00:00
Chris Lattner
0ebcc18dec the latest assembler that runs on powerpc 10.4 machines doesn't 
support aligned comm.  Detect when compiling for 10.4 and don't
emit an alignment for comm.  THis will hopefully fix PR8198.

llvm-svn: 114817
 2010-09-27 06:44:54 +00:00
Oscar Fuentes
2291919711 Avoid warnings about implicit conversions to `bool' in MSVC. This time 
for real.

Patch by Nathan Jeffords!

llvm-svn: 114796
 2010-09-25 20:27:36 +00:00
Jakob Stoklund Olesen
53ffe6c58b Avoid using VNInfo::getCopy as much as possible. I want to get rid of it. 
llvm-svn: 114794
 2010-09-25 18:10:38 +00:00
Lang Hames
fb22f00975 Removed VNInfo::isDefAccurate(). Def "accuracy" can be checked by testing whether LiveIntervals::getInstructionFromIndex(def) returns NULL. 
llvm-svn: 114791
 2010-09-25 12:04:16 +00:00
Che-Liang Chiou
0eaf890a31 Add ret instruction to PTX backend 
llvm-svn: 114788
 2010-09-25 07:46:17 +00:00
Che-Liang Chiou
ab93b6355a Remove trailing spaces of CallingConv.h 
llvm-svn: 114787
 2010-09-25 07:02:30 +00:00
Jakob Stoklund Olesen
af7994784c Remove SlotIndex::PHI_BIT. It is no longer used by anything. 
llvm-svn: 114779
 2010-09-25 00:45:18 +00:00
Jakob Stoklund Olesen
794b5e00d7 Terminator gaps were unused. Might as well delete them. 
llvm-svn: 114776
 2010-09-24 23:58:56 +00:00
Nicolas Geoffray
3a40b52aea Attach a DebugLoc to a GC point in order to get precise information in the JIT of a GC point. 
llvm-svn: 114736
 2010-09-24 17:27:50 +00:00
Daniel Dunbar
eacb42cfee MC/Lexer: Add 'Real' token type for floating point literals. 
llvm-svn: 114718
 2010-09-24 01:59:31 +00:00
Owen Anderson
4fc55c0e02 Revert r114703 and r114702, removing the isConditionalMove flag from instructions. After further 
reflection, this isn't going to achieve the purpose I intended it for.  Back to the drawing board!

llvm-svn: 114710
 2010-09-23 23:45:25 +00:00
Owen Anderson
d1753f939a Add an TargetInstrDesc bit to indicate that a given instruction is a conditional move. 
Not intended functionality change, as nothing uses this yet.

llvm-svn: 114702
 2010-09-23 22:44:10 +00:00
Jim Grosbach
ed295d62f5 trailing whitespace 
llvm-svn: 114680
 2010-09-23 18:07:04 +00:00
Oscar Fuentes
095c140c09 Avoid warnings about conversions to `bool' in MS compilers. 
Patch by Nathan Jeffords!

llvm-svn: 114662
 2010-09-23 16:59:44 +00:00
Lang Hames
f670bff621 Moved the PBQP allocator class out of the header and back in to the cpp file to hide the gory details. 
Allocator instances can now be created by calling createPBQPRegisterAllocator.

Tidied up use of CoalescerPair as per Jakob's suggestions.

Made the new PBQPBuilder based construction process the default. The internal construction process
remains in-place and available via -pbqp-builder=false for now. It will be removed shortly if the new
process doesn't cause any regressions.

llvm-svn: 114626
 2010-09-23 04:28:54 +00:00
Jim Grosbach
d8735f1db1 Add support for ELF PLT references for ARM MC asm printing. Adding a 
new VariantKind to the MCSymbolExpr seems like overkill, but I'm not sure
there's a more straightforward way to get the printing difference captured.
(i.e., x86 uses @PLT, ARM uses (PLT)).

llvm-svn: 114613
 2010-09-22 23:27:36 +00:00
Dan Gohman
d299070514 Make SetVector's remove indicate whether it actually removed something. 
llvm-svn: 114612
 2010-09-22 23:20:04 +00:00
Rafael Espindola
3cfff6e0c5 Avoid some Mach-O specific alignment being done on ELF. 
llvm-svn: 114594
 2010-09-22 22:27:05 +00:00
Chris Lattner
04d9e1641f allow target-specific label suffixes, patch by Yuri Gribov! 
llvm-svn: 114592
 2010-09-22 22:19:53 +00:00
Dan Gohman
3ae6b70330 Fix uninitialized TBAAFlag field values. 
llvm-svn: 114591
 2010-09-22 22:18:07 +00:00
Dan Gohman
d69790d841 Teach memdep about TBAA tags. 
llvm-svn: 114588
 2010-09-22 21:41:02 +00:00
Dan Gohman
879cf5573e Constify. 
llvm-svn: 114574
 2010-09-22 20:11:43 +00:00