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5e680ad101
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43878 Commits

Author SHA1 Message Date
Matt Beaumont-Gay
5e680ad101 Fix a warning about a variable which is only used in an assertion. 
llvm-svn: 121206
 2010-12-07 23:26:21 +00:00
Devang Patel
cef2982b39 Add support to create variables, structs etc.. using DIBuilder. 
This is still work in progress.

llvm-svn: 121205
 2010-12-07 23:25:47 +00:00
Jakob Stoklund Olesen
9d6472e894 Switch LiveIntervalUnion from std::set to IntervalMap. 
This speeds up RegAllocBasic by 20%, not counting releaseMemory which becomes
way faster.

llvm-svn: 121201
 2010-12-07 23:18:47 +00:00
Bill Wendling
45bdb13970 Cleanup in the Darwin end. No functionality change. 
llvm-svn: 121198
 2010-12-07 23:11:00 +00:00
Evan Cheng
3bd9b95b4d Fix a bad prologue / epilogue codegen bug where the compiler would emit illegal 
vpush instructions to save / restore VFP / NEON registers like this:
vpush {d8,d10,d11}
vpop {d8,d10,d11}

vpush and vpop do not allow gaps in the register list.
rdar://8728956

llvm-svn: 121197
 2010-12-07 23:08:38 +00:00
Bill Wendling
4399d09458 A bit of cleanup: early exit ApplyFixup and cache the Fixup offset. No 
functionality change.

llvm-svn: 121195
 2010-12-07 23:05:20 +00:00
Jim Grosbach
77b631549c Binary encoding for ARM tLDRspi and tSTRspi. 
llvm-svn: 121186
 2010-12-07 21:50:47 +00:00
Owen Anderson
a23e10f29d Fix Thumb2 encoding of the S bit. 
llvm-svn: 121182
 2010-12-07 20:50:15 +00:00
Jim Grosbach
1aa6a676cf Refactor the ARM CMPz* patterns to just use the normal CMP instructions when 
possible. They were duplicates for everything exception the source pattern
before.

llvm-svn: 121179
 2010-12-07 20:41:06 +00:00
Evan Cheng
9af09ebf8b Code clean up; no functionality change. 
llvm-svn: 121176
 2010-12-07 20:11:46 +00:00
Evan Cheng
0295c17fbc Code clean up; no functionality change. 
llvm-svn: 121172
 2010-12-07 19:59:34 +00:00
Dan Gohman
54a78a9787 Remove the code from Function::dropAllReferences which replaced 
uses of the function's blocks with undef. This code isn't needed,
because BasicBlock's destructor handles such uses. Also, undef isn't
correct, since blockaddresses may still be used for comparisons
with null.

llvm-svn: 121170
 2010-12-07 19:56:51 +00:00
Bruno Cardoso Lopes
e11d870459 Remove target specific node MipsISD::CMov, which is not used because all conditional moves are directly matched using tablegen patterns. If there's a need in the future, we can introduce it again 
llvm-svn: 121164
 2010-12-07 19:04:14 +00:00
Bruno Cardoso Lopes
0e14644599 Match a pattern generated by a dag combiner opt where: 
(select (load (load tga0)) (load tga1)) => (load (select (load tga0) tga1))

Thanks to Akira for pointing that.

llvm-svn: 121163
 2010-12-07 19:00:20 +00:00
Jakob Stoklund Olesen
39e22e19bf Simplify assertion. 
llvm-svn: 121162
 2010-12-07 18:51:27 +00:00
Michael J. Spencer
3885add959 Support: Remove Alarm. It is unused (via local grep and google code search). 
llvm-svn: 121160
 2010-12-07 18:41:59 +00:00
Michael J. Spencer
3dc94b3cc1 Support/PathV2: Remove const from bool return types. 
llvm-svn: 121157
 2010-12-07 18:12:07 +00:00
Jim Grosbach
c99517ecc6 Encode the literal field for tCMPzi instruction. 
llvm-svn: 121153
 2010-12-07 17:48:24 +00:00
Rafael Espindola
866531d633 Fix absolute recording of differences of symbols in two sections. Reduced from ctor_dtor_count-2.cpp. 
llvm-svn: 121152
 2010-12-07 17:12:32 +00:00
Michael J. Spencer
7979bb402f Support/PathV2: Change most functions in the path namespace to return their work 
via their return value instead of an out parameter.

llvm-svn: 121149
 2010-12-07 17:04:04 +00:00
Daniel Dunbar
6d79685e20 build: Go back to dropping __eprintf reference when building with Clang, see 
comment.

llvm-svn: 121146
 2010-12-07 16:29:44 +00:00
Benjamin Kramer
fb17a54866 Add parens to pacify gcc. 
llvm-svn: 121142
 2010-12-07 15:50:35 +00:00
Frits van Bommel
e7f51111ce Remove some dead code from the jump threading pass. 
The last uses of these functions were removed in r113852 when LazyValueInfo was permanently enabled and removed the need for them.

llvm-svn: 121133
 2010-12-07 13:08:07 +00:00
Jay Foad
79e18ed269 PR5207: Change APInt methods trunc(), sext(), zext(), sextOrTrunc() and 
zextOrTrunc(), and APSInt methods extend(), extOrTrunc() and new method
trunc(), to be const and to return a new value instead of modifying the
object in place.

llvm-svn: 121120
 2010-12-07 08:25:19 +00:00
Owen Anderson
4ad5307d6a Don't leak the mutex when loading dynamic libraries. 
llvm-svn: 121119
 2010-12-07 07:56:20 +00:00
Rafael Espindola
da64b6aa50 Fix relocations with weak definitions. 
llvm-svn: 121114
 2010-12-07 05:57:28 +00:00
Chris Lattner
12c2c17ac7 reapply r121100 with a tweak to constant fold ConstExprs with TargetData 
(if available) as we go so that we get simple constantexprs not insane ones.
This fixes the failure of clang/test/CodeGenCXX/virtual-base-ctor.cpp
that the previous iteration of this patch had.

llvm-svn: 121111
 2010-12-07 04:33:29 +00:00
Michael J. Spencer
0ce07529b3 Support/PathV2: Cleanup separator handling. 
llvm-svn: 121110
 2010-12-07 03:57:48 +00:00
Michael J. Spencer
a96fe51fa6 Support/PathV2: Remove the error_code return type from all functions in the path 
namespace. None of them return anything except for success anyway. These will be
converted to returning their result soon.

llvm-svn: 121109
 2010-12-07 03:57:37 +00:00
Michael J. Spencer
7c3efd63d4 Support/PathV2: Move make_absolute from path to fs. 
llvm-svn: 121108
 2010-12-07 03:57:17 +00:00
Rafael Espindola
9ede5ef045 Fix pcrel relocations that cross sections. 
llvm-svn: 121107
 2010-12-07 03:50:14 +00:00
NAKAMURA Takumi
7947c9770a lib/Target/X86/X86MCAsmInfo.cpp: [PR8741] On Win64, specify explicit PrivateGlobalPrefix as ".L". 
Or, global symbols @Lxxxx might be treated as temporal symbol by MCSymbol.

llvm-svn: 121103
 2010-12-07 02:43:45 +00:00
Eric Christopher
cab6997dc8 Temporarily revert r121100 as it's causing clang to fail 
CodeGenCXX/virtual-base-ctor.cpp.

llvm-svn: 121102
 2010-12-07 02:41:11 +00:00
Chris Lattner
5996a47663 fix PR8710 - teach global opt that some constantexprs are too complex to 
put in a global variable's initializer.

llvm-svn: 121100
 2010-12-07 01:59:32 +00:00
Jakob Stoklund Olesen
48ba44334f Remove unused member. 
llvm-svn: 121098
 2010-12-07 01:32:45 +00:00
Michael J. Spencer
2953ba9e66 Support/Unix/PathV2: Return the real error from realpath instead of any error 
that close or unlink set.

llvm-svn: 121094
 2010-12-07 01:23:39 +00:00
Michael J. Spencer
6874ebd344 Support/Unix/PathV2: Use 0770 instead of 0700 when creating a directory. Also use 
the standard macros instead of octal notation.

llvm-svn: 121093
 2010-12-07 01:23:29 +00:00
Michael J. Spencer
cfd185355b Support/PathV2: Use SmallVector::clear instead of set_size. 
llvm-svn: 121092
 2010-12-07 01:23:19 +00:00
Michael J. Spencer
a59a7b3965 Support/PathV2: Clarify and correct documentation. 
llvm-svn: 121091
 2010-12-07 01:23:08 +00:00
Michael J. Spencer
898af0f235 Support/PathV2: Move current_path from path to fs and fix the Unix implementation. 
Unix bug spotted by Dan Gohman.

llvm-svn: 121090
 2010-12-07 01:22:31 +00:00
Rafael Espindola
c98cc0b286 Fix a crash reduced from gcc produced assembly. 
llvm-svn: 121085
 2010-12-07 01:09:54 +00:00
Owen Anderson
81f8b084e6 Second attempt at converting Thumb2's LDRpci, including updating the gazillion places that need to know about it. 
llvm-svn: 121082
 2010-12-07 00:45:21 +00:00
Rafael Espindola
8dad37785c Sorry for such a large commit. The summary is that only MachO cares about the 
actuall addresses in a .o file, so it is better to let the MachO writer compute
it.

This is good for two reasons. First, areas that shouldn't care about
addresses now don't have access to it. Second, the layout of each section
is independent. I should use this in a subsequent commit to speed it up.

Most of the patch is just removing the section address computation. The two
interesting parts are the change on how we handle padding in the end
of sections and how MachO can get the address of a-b when a and b are in
different sections.

Since now the expression evaluation normally doesn't know the section address,
it will think that a-b needs relocation and let the MachO writer know. Once
it has computed the section addresses, it calls back the expression evaluation
with the section addresses to resolve these expressions.

The remaining problem is the handling of padding. Currently it will create
a special alignment fragment at the end. Since that fragment doesn't update
the alignment of the section, it needs the real address to be computed.

Since now the layout will not compute a-b with a and b in different sections,
the only effect that the special alignment fragment has is update the
address size of the section. This can also be done by the MachO writer.

llvm-svn: 121076
 2010-12-07 00:27:36 +00:00
Jim Grosbach
2d361b9318 Add fixup for Thumb1 BL/BLX instructions. 
llvm-svn: 121072
 2010-12-06 23:57:07 +00:00
Frits van Bommel
1494a2f6fe Implement jump threading of 'indirectbr' by keeping track of whether we're looking for ConstantInt*s or BlockAddress*s. 
llvm-svn: 121066
 2010-12-06 23:36:56 +00:00
Devang Patel
12459bc442 Undefined value in reg 0 may need a marker to identify end of source range. 
This will be used to truncate live range of DBG_VALUE instruction by register allocator and friends.

llvm-svn: 121061
 2010-12-06 22:48:22 +00:00
Devang Patel
6fe7fe8dd4 If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0. 
llvm-svn: 121059
 2010-12-06 22:39:26 +00:00
Rafael Espindola
82d3d8dc2c Use references to simplify the code a bit. 
llvm-svn: 121050
 2010-12-06 22:30:54 +00:00
Wesley Peck
ffdbf99b57 Adding bug fix that was suppose to be part of 121044. 
patch contributed by Jack Whitham!

llvm-svn: 121049
 2010-12-06 22:19:28 +00:00
Wesley Peck
996c76c27e Fixed reversed operands for IDIV and CMP instructions in MBlaze backend. 
Use BRAD instead of BRD for indirect branches in MBlaze backend.

patch contributed by Jack Whitham!

llvm-svn: 121044
 2010-12-06 22:06:49 +00:00