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d832fa053b
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43952 Commits

Author SHA1 Message Date
Bill Wendling
d832fa053b Cleanup in the Darwin end. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:11:00 +00:00
Evan Cheng
06d65f5156 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


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:08:38 +00:00
Bill Wendling
52e635ea35 A bit of cleanup: early exit ApplyFixup and cache the Fixup offset. No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:05:20 +00:00
Jim Grosbach
d967cd096a Binary encoding for ARM tLDRspi and tSTRspi. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121186 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 21:50:47 +00:00
Owen Anderson
bdf714450b Fix Thumb2 encoding of the S bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121182 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 20:50:15 +00:00
Jim Grosbach
97a884d602 Refactor the ARM CMPz* patterns to just use the normal CMP instructions when 
possible. They were duplicates for everything exception the source pattern
before.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121179 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 20:41:06 +00:00
Evan Cheng
52f21e35e8 Code clean up; no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 20:11:46 +00:00
Evan Cheng
9801b5c822 Code clean up; no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121172 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 19:59:34 +00:00
Dan Gohman
a6399ae089 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 19:56:51 +00:00
Bruno Cardoso Lopes
bd3af09cef 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 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121164 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 19:04:14 +00:00
Bruno Cardoso Lopes
ab8d53a56a 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121163 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 19:00:20 +00:00
Jakob Stoklund Olesen
2b38c51f0e Simplify assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121162 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 18:51:27 +00:00
Michael J. Spencer
c20beb9cc5 Support: Remove Alarm. It is unused (via local grep and google code search). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121160 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 18:41:59 +00:00
Michael J. Spencer
12ccf67457 Support/PathV2: Remove const from bool return types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121157 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 18:12:07 +00:00
Jim Grosbach
5169220624 Encode the literal field for tCMPzi instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121153 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 17:48:24 +00:00
Rafael Espindola
545b77ef50 Fix absolute recording of differences of symbols in two sections. Reduced from ctor_dtor_count-2.cpp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 17:12:32 +00:00
Michael J. Spencer
5029159fbe Support/PathV2: Change most functions in the path namespace to return their work 
via their return value instead of an out parameter.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121149 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 17:04:04 +00:00
Daniel Dunbar
dc3b906173 build: Go back to dropping __eprintf reference when building with Clang, see 
comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121146 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 16:29:44 +00:00
Benjamin Kramer
6aa4943599 Add parens to pacify gcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121142 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 15:50:35 +00:00
Frits van Bommel
8e8cdc8fe0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 13:08:07 +00:00
Jay Foad
40f8f6264d 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 08:25:19 +00:00
Owen Anderson
0ea112f104 Don't leak the mutex when loading dynamic libraries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 07:56:20 +00:00
Rafael Espindola
3b3148f864 Fix relocations with weak definitions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121114 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 05:57:28 +00:00
Chris Lattner
1945d58025 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121111 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 04:33:29 +00:00
Michael J. Spencer
ca3a339d76 Support/PathV2: Cleanup separator handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 03:57:48 +00:00
Michael J. Spencer
936671b2ea 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121109 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 03:57:37 +00:00
Michael J. Spencer
ee271d8758 Support/PathV2: Move make_absolute from path to fs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121108 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 03:57:17 +00:00
Rafael Espindola
bf60dad984 Fix pcrel relocations that cross sections. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 03:50:14 +00:00
NAKAMURA Takumi
63fbb52163 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121103 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 02:43:45 +00:00
Eric Christopher
6a3e305326 Temporarily revert r121100 as it's causing clang to fail 
CodeGenCXX/virtual-base-ctor.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 02:41:11 +00:00
Chris Lattner
fb431099c5 fix PR8710 - teach global opt that some constantexprs are too complex to 
put in a global variable's initializer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121100 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:59:32 +00:00
Jakob Stoklund Olesen
1fe045279b Remove unused member. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:32:45 +00:00
Michael J. Spencer
69cbbbf005 Support/Unix/PathV2: Return the real error from realpath instead of any error 
that close or unlink set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:39 +00:00
Michael J. Spencer
79c3c3a1de Support/Unix/PathV2: Use 0770 instead of 0700 when creating a directory. Also use 
the standard macros instead of octal notation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:29 +00:00
Michael J. Spencer
fbd1bbd7fa Support/PathV2: Use SmallVector::clear instead of set_size. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:19 +00:00
Michael J. Spencer
ad8a14f24e Support/PathV2: Clarify and correct documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121091 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:23:08 +00:00
Michael J. Spencer
1522fce477 Support/PathV2: Move current_path from path to fs and fix the Unix implementation. 
Unix bug spotted by Dan Gohman.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121090 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:22:31 +00:00
Rafael Espindola
f10d2be573 Fix a crash reduced from gcc produced assembly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121085 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 01:09:54 +00:00
Owen Anderson
eb6779c5b9 Second attempt at converting Thumb2's LDRpci, including updating the gazillion places that need to know about it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 00:45:21 +00:00
Rafael Espindola
85f2ecc697 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121076 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 00:27:36 +00:00
Jim Grosbach
662a816e89 Add fixup for Thumb1 BL/BLX instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 23:57:07 +00:00
Frits van Bommel
6033b346e2 Implement jump threading of 'indirectbr' by keeping track of whether we're looking for ConstantInt*s or BlockAddress*s. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121066 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 23:36:56 +00:00
Devang Patel
b7313e274c 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121061 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:48:22 +00:00
Devang Patel
afeaae7a94 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121059 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:39:26 +00:00
Rafael Espindola
22373b230a Use references to simplify the code a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121050 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:30:54 +00:00
Wesley Peck
a3b2200472 Adding bug fix that was suppose to be part of 121044. 
patch contributed by Jack Whitham!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121049 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:19:28 +00:00
Wesley Peck
dc80380de8 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!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121044 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 22:06:49 +00:00
Jason W Kim
56a399023a Refactor ELFObjectWriter. 
+ ARM/X86/MBlaze now share a common RecordRelocation
+ ARM/X86/MBlaze arch specific routines are limited to GetRelocType()



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121043 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:57:34 +00:00
Chris Lattner
f51a6cc5bf replace a linear scan with a symtab lookup, reduce indentation. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121042 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:53:07 +00:00
Rafael Espindola
1dda29bdff use getSymbolOffset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121041 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-06 21:51:55 +00:00