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Author SHA1 Message Date
Chris Lattner
ade5faaac4 factor some labels, simplify some code. 
llvm-svn: 98429
 2010-03-13 07:40:56 +00:00
Benjamin Kramer
3b2398d288 Add some parens and silence a warning. 
llvm-svn: 98428
 2010-03-13 07:40:34 +00:00
Bob Wilson
163aa28fa1 Attempt to appease the arm-linux buildbot by fixing the JIT encodings for new 
base register updating load/store-multiple instructions.

llvm-svn: 98427
 2010-03-13 07:34:35 +00:00
Chris Lattner
836e8b5d1b various cleanups. 
llvm-svn: 98426
 2010-03-13 07:26:18 +00:00
Daniel Dunbar
e8b67adb94 MC/Mach-O: PCrel relocations weren't using the right base address, they are 
relative to the fragment address, not its offset. This was masked by the text
section normally being at address 0.

llvm-svn: 98420
 2010-03-13 02:38:00 +00:00
Daniel Dunbar
33c92a1a88 llvm-mc: Support -n, useful for comparing -integrated-as output since the 
compiler may not lead with the text section.

llvm-svn: 98418
 2010-03-13 02:20:57 +00:00
Daniel Dunbar
92c67d1d56 llvm-mc: Support -arch as a simplified form of -triple. 
llvm-svn: 98417
 2010-03-13 02:20:38 +00:00
Evan Cheng
34c5c9af6f Fix a typo in ValueTracking that's causing instcombine to delete needed shift instructions. 
llvm-svn: 98416
 2010-03-13 02:20:29 +00:00
Chris Lattner
bfdbd2f3a2 reimplement the string pool used for inlined function 
entries to not thrash std::strings and MCSymbols.

llvm-svn: 98415
 2010-03-13 02:17:42 +00:00
Jeffrey Yasskin
940d9caf7d Remove the last memory leak from the VMCore unit tests. 
Tested: valgrind --leak-check=full unittests/VMCore/Debug/VMCoreTests
llvm-svn: 98414
 2010-03-13 02:15:08 +00:00
Chris Lattner
14eafddc99 switch to the text section at the start of the .s file for darwin/x86 
targets.  This is a temporary hack for the .o file writer that Daniel
wants :)

llvm-svn: 98413
 2010-03-13 02:10:00 +00:00
Jeffrey Yasskin
5dea722948 Remove a memory leak from MetadataTest. 
Tested: valgrind --leak-check=full unittests/VMCore/Debug/VMCoreTests
llvm-svn: 98412
 2010-03-13 01:39:20 +00:00
Jeffrey Yasskin
9058ef4163 Remove a memory leak from VerifierTest. 
Tested: valgrind --leak-check=full unittests/VMCore/Debug/VMCoreTests
llvm-svn: 98411
 2010-03-13 01:34:56 +00:00
Jeffrey Yasskin
819ce89d8f Delete MDNodes when LLVMContext is destroyed. Previous attempts: r97918, r97788. 
Tested: clang debug bootstrap, llvm-gcc bootstrap, `make check-lit`
after configuring with --with-llvmgccdir (and this did run the
FrontendC* tests this time)

llvm-svn: 98410
 2010-03-13 01:26:15 +00:00
Bob Wilson
0e8a3d7a13 Change ARM ld/st multiple instructions to have variant instructions for 
writebacks to the address register.  This gets rid of the hack that the
first register on the list was the magic writeback register operand.  There
was an implicit constraint that if that operand was not reg0 it had to match
the base register operand.  The post-RA scheduler's antidependency breaker
did not understand that constraint and sometimes changed one without the
other.  This also fixes Radar 7495976 and should help the verifier work
better for ARM code.

There are now new ld/st instructions explicit writeback operands and explicit
constraints that tie those registers together.

llvm-svn: 98409
 2010-03-13 01:08:20 +00:00
Devang Patel
e0b931e0ed Do not ignore arg_size() impact while counting bb instructions. 
llvm-svn: 98408
 2010-03-13 01:05:02 +00:00
Daniel Dunbar
9ffe22ec23 MC/X86: Add temporary hack to match shrl $1,%eax correctly, to support testing 
other functionality on 403.gcc compiled at -O0.

llvm-svn: 98405
 2010-03-13 00:47:29 +00:00
Daniel Dunbar
3eab04b641 MC/X86: Add an XFAIL test where we aren't matching the correct instruction 
because we don't understand how the specific instruction is doing sign
extension.

llvm-svn: 98404
 2010-03-13 00:47:25 +00:00
Devang Patel
40477c7760 Remove extra parameter. 
llvm-svn: 98403
 2010-03-13 00:45:31 +00:00
Bob Wilson
99388e001e Combine the code to build VLDM and VSTM instructions, since they are 
mostly the same.

llvm-svn: 98402
 2010-03-13 00:43:32 +00:00
Devang Patel
882e43e3cc Do not overestimate code size reduction in presense of debug info. 
Use CodeMetrics.analyzeBasicBlock() to estimate BB size.

llvm-svn: 98401
 2010-03-13 00:10:20 +00:00
Bob Wilson
a9130d7c7d Tidy up. No functional changes. 
llvm-svn: 98398
 2010-03-12 22:50:09 +00:00
Daniel Dunbar
8ad9589475 MC/Mach-O: Implement initial support for relaxation. 
- The implementation is currently very brain dead and inefficient, but I have a
   clear plan on how to fix it.

 - The good news is, it works and correctly assembles 403.gcc (when built with
   Clang, at '-Os', '-Os -g', and '-O3'). Even better, at '-Os' and '-Os -g',
   the resulting binary is exactly equivalent to that when built with the system
   assembler. So it probably works! :)

llvm-svn: 98396
 2010-03-12 22:07:14 +00:00
Bob Wilson
41bb0dca48 Remove obsolete comments. VLDM is implemented in ARMInstrVFP.td. 
llvm-svn: 98395
 2010-03-12 22:00:08 +00:00
Jeffrey Yasskin
876e602378 Fix LLVM build when the user specifies CPPFLAGS on the make command line. 
llvm-svn: 98394
 2010-03-12 21:42:14 +00:00
Chris Lattner
14ab9784f4 remove gone method, grr symlinks. 
llvm-svn: 98392
 2010-03-12 21:30:49 +00:00
Chris Lattner
4d7171c334 remove special case code that isn't needed anymore. 
llvm-svn: 98391
 2010-03-12 21:21:19 +00:00
Chris Lattner
5a5ea25649 inline GetGlobalValueSymbol into the rest its callers and 
remove it.

llvm-svn: 98390
 2010-03-12 21:19:23 +00:00
Chris Lattner
7a2e6110bc inline the now-trivial implementation of GetGlobalValueSymbol into 
some of its callers.

llvm-svn: 98388
 2010-03-12 21:09:07 +00:00
Chris Lattner
33f470bec2 eliminate the X86 version of GetGlobalValueSymbol, allowing 
it to be non-virtual and soon disappear.

llvm-svn: 98387
 2010-03-12 21:06:41 +00:00
Chris Lattner
41dbe0a1bd prune #includes, this file should be removed pending hte cygwin stub issue being resolved. 
llvm-svn: 98386
 2010-03-12 21:04:31 +00:00
Chris Lattner
ff05ae7a33 move fastcall/stdcall mangling up into Mangler. 
llvm-svn: 98384
 2010-03-12 21:03:47 +00:00
Daniel Dunbar
642fbbe84d MC: Factor out MCAssembler::EvaluateFixup, and simplify. 
llvm-svn: 98381
 2010-03-12 21:00:49 +00:00
Daniel Dunbar
14b9ff70e1 MC: Constify MCAsmLayout argument to MCExpr::EvaluteAs... 
llvm-svn: 98380
 2010-03-12 21:00:45 +00:00
Daniel Dunbar
71473e6b15 MC: Add MCAssembler::addFixup, which enforces that fixups are added in order. 
llvm-svn: 98379
 2010-03-12 21:00:38 +00:00
Chris Lattner
c101ad818c give Mangler access to TargetData. 
llvm-svn: 98378
 2010-03-12 20:47:28 +00:00
Chris Lattner
5611fd3bc7 make DecorateCygMingName a static method. 
llvm-svn: 98377
 2010-03-12 20:43:52 +00:00
Benjamin Kramer
19c12c8ef4 Add a virtual destructor and give vtable a home. 
llvm-svn: 98376
 2010-03-12 20:41:29 +00:00
Chris Lattner
4781fd7ca5 minor tidying, only do work if a function is 
actually X86_StdCall or X86_FastCall.

llvm-svn: 98374
 2010-03-12 19:48:03 +00:00
Chris Lattner
63328f1348 eliminate the string form of DecorateCygMingName 
llvm-svn: 98373
 2010-03-12 19:42:40 +00:00
Chris Lattner
2fd7c89502 remove the FnArgWords cache to make way for future changes. 
llvm-svn: 98372
 2010-03-12 19:31:03 +00:00
Bill Wendling
21a9744045 Add a beta-test for placing the LSDA into the TEXT section on X86. 
llvm-svn: 98370
 2010-03-12 19:20:40 +00:00
Devang Patel
04d151f5a6 Fix llc crash on invalid input. 
llvm-svn: 98369
 2010-03-12 19:18:30 +00:00
Chris Lattner
741b3e4e5f Remove some dead code. This method only gets called on 
definitions.

llvm-svn: 98368
 2010-03-12 19:14:18 +00:00
Chris Lattner
0bcd93798a use Mang->getSymbol instead of duplicating the logic, reduce indentation. 
llvm-svn: 98367
 2010-03-12 19:04:14 +00:00
Chris Lattner
01e70df9b2 finally give Mangler a getSymbol method, which returns an MCSymbol 
for a global instead of messing around with string buffers.

llvm-svn: 98366
 2010-03-12 18:55:20 +00:00
Chris Lattner
04cd48f865 remove dead code. 
llvm-svn: 98365
 2010-03-12 18:49:32 +00:00
Chris Lattner
683801add5 simplify code to use OutContext.GetOrCreateTemporarySymbol with 
no arguments instead of having to come up with a unique name.
This also makes the code less fragile.

llvm-svn: 98364
 2010-03-12 18:47:50 +00:00
Chris Lattner
956582f876 make the mangler take an MCContext instead of an MAI. 
No functionality change.

llvm-svn: 98363
 2010-03-12 18:44:54 +00:00
Chris Lattner
f4dce6a6d8 remove MAI argument from createAsmStreamer since it 
can get it from the context now.

llvm-svn: 98361
 2010-03-12 18:28:53 +00:00