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Author SHA1 Message Date
Anshuman Dasgupta
3c9459e229 Add new interfaces to support ldd's ReaderElf.cpp. 
Patch by Sid Manning!

llvm-svn: 160685
 2012-07-24 19:48:24 +00:00
Nuno Lopes
aa177bbdbc TargetLibraryInfo: add strn?cat, strn?cpy, and strn?len 
llvm-svn: 160678
 2012-07-24 17:25:06 +00:00
Nuno Lopes
06ac861756 teach objectsize about strdup() and strndup() 
llvm-svn: 160676
 2012-07-24 16:28:13 +00:00
Nadav Rotem
bd2b55bc74 Clean whitespaces. 
llvm-svn: 160668
 2012-07-24 10:51:42 +00:00
Nick Lewycky
6644694650 Teach globalopt to not nuke all stores to globals. Keep them around of they 
might be deliberate "one time" leaks, so that leak checkers can find them.
This is a reapply of r160602 with the fix that this time I'm committing the
code I thought I was committing last time; the I->eraseFromParent() goes
*after* the break out of the loop.

llvm-svn: 160664
 2012-07-24 07:21:08 +00:00
Craig Topper
227c1316f4 Change llvm_unreachable in SplitVectorOperand to report_fatal_error. Keeps release builds from crashing if code uses an intrinsic with an illegal type. 
llvm-svn: 160661
 2012-07-24 04:11:21 +00:00
Akira Hatanaka
dba3c8d511 Fix function MipsCodeEmitter::emitExternalSymbolAddress to pass test 
ExecutionEngine/test-fp.ll.
 
Patch by Petar Jovanovic.

llvm-svn: 160653
 2012-07-24 00:08:26 +00:00
Akira Hatanaka
b1ba835c42 Add basic ability to setup call frame, and make procedure calls. 
Hello world will compile and execute with this patch.

Patch by Reed Kotler.

llvm-svn: 160651
 2012-07-23 23:45:54 +00:00
Eric Christopher
39c63b7e55 Fix a "Bad fd number" error on some platforms due to a less portable 
redirection in the system call.

Patch by Andy Gibbs.

llvm-svn: 160644
 2012-07-23 20:54:17 +00:00
Nuno Lopes
8c7d50f03f make ConstantRange::zeroExtend() optimal 
llvm-svn: 160643
 2012-07-23 20:33:29 +00:00
Richard Trieu
6fd83cc91a Add operator== to APSInt. This will compare the signed bit before doing 
the comparison.  This prevents large unsigned integers from being equal to
signed negative integers of the same bit width.

llvm-svn: 160642
 2012-07-23 20:24:23 +00:00
Dan Gohman
b9b982cd41 An objc_retain can serve as a may-use for a different pointer. 
rdar://11931823.

llvm-svn: 160637
 2012-07-23 19:27:31 +00:00
Akira Hatanaka
50170a31a8 Add comment for relocations MO_HIGHER and HIGHEST in MipsBaseInfo.h. 
llvm-svn: 160636
 2012-07-23 19:19:20 +00:00
Micah Villmow
759c8c46ac Test revert of test changes. 
llvm-svn: 160632
 2012-07-23 16:42:45 +00:00
Micah Villmow
0482f60db4 Test commit. 
llvm-svn: 160631
 2012-07-23 16:37:24 +00:00
Nadav Rotem
6ade33c7ad Suppress a warning. 
llvm-svn: 160629
 2012-07-23 13:44:15 +00:00
Nadav Rotem
7385571bd2 Doxygenify the comments of ISD nodes. 
llvm-svn: 160623
 2012-07-23 09:04:00 +00:00
Sylvestre Ledru
bf8acb65ac Fix a typo (the the => the) 
llvm-svn: 160621
 2012-07-23 08:51:15 +00:00
Nadav Rotem
180a9e3758 Fixed DAGCombine optimizations which generate select_cc for targets 
that do not support it (X86 does not lower select_cc).

PR: 13428

Together with Michael Kuperstein <michael.m.kuperstein@intel.com>

llvm-svn: 160619
 2012-07-23 07:59:50 +00:00
Craig Topper
7bb456e013 Tidy up. Fix indentation and remove trailing whitespace. 
llvm-svn: 160617
 2012-07-23 05:38:07 +00:00
Craig Topper
63f980aea7 Change llvm_unreachable in SplitVectorResult to report_fatal_error. Keeps release builds from crashing if code uses an intrinsic with an illegal type. For instance 256-bit AVX intrinsics without having AVX enabled. 
llvm-svn: 160616
 2012-07-23 04:34:49 +00:00
Chandler Carruth
bf1cf2cb40 Move the initialization of the bounds checking pass. The pass itself 
moved earlier. This fixes some layering issues.

llvm-svn: 160611
 2012-07-22 05:19:32 +00:00
NAKAMURA Takumi
d1e66968e3 ExecutionEngine/TargetSelect.cpp: Override default triple as LLVM_HOSTTRIPLE. 
In current implementation, JIT should run only on host.

llvm-svn: 160610
 2012-07-22 03:04:57 +00:00
NAKAMURA Takumi
d79a015152 autoconf: Re-introduce LLVM_HOSTTRIPLE since r143500, as rework of PR11060. 
cmake: Add LLVM_HOSTTRIPLE. For now, it is same as TARGET_TRIPLE.
llvm-svn: 160609
 2012-07-22 03:04:52 +00:00
Nick Lewycky
f1a5d95995 Revert r160602. 
llvm-svn: 160603
 2012-07-21 09:03:15 +00:00
Nick Lewycky
9d1d5bfd50 Teach globalopt to play nice with leak checkers. This is a reapplication of 
r160529 that was subsequently reverted. The fix was to not call
GV->eraseFromParent() right before the caller does the same. The existing
testcases already caught this bug if run under valgrind.

llvm-svn: 160602
 2012-07-21 08:29:45 +00:00
Akira Hatanaka
68623fbfd7 Fix Mips long branch pass. 
This pass no longer requires that the global pointer value be saved to the
stack or register since it uses bal instruction to compute branch distance.

llvm-svn: 160601
 2012-07-21 03:30:44 +00:00
Akira Hatanaka
508804a633 Add HIGHER and HIGHEST relocations to Mips backend. 
llvm-svn: 160599
 2012-07-21 03:09:04 +00:00
Akira Hatanaka
734a4a8569 Revert accidental commit. 
llvm-svn: 160598
 2012-07-21 02:20:33 +00:00
Akira Hatanaka
e87a027c19 Add VK_Mips_HIGHER and VK_Mips_HIGHEST to MCSymbolRefExpr::VariantKind. 
Test case will be added later when long branch patch is checked in.

llvm-svn: 160597
 2012-07-21 02:15:19 +00:00
Nuno Lopes
6147c101eb baby steps toward fixing some problems with inbound GEPs that overflow, as discussed 2 months ago or so. 
Make sure we do not emit index computations with NSW flags so that we dont get an undef value if the GEP overflows

llvm-svn: 160589
 2012-07-20 23:07:40 +00:00
Nuno Lopes
66a3934c7a move the bounds checking pass to the instrumentation folder, where it belongs. I dunno why in the world I dropped it in the Scalar folder in the first place. 
No functionality change.

llvm-svn: 160587
 2012-07-20 22:39:33 +00:00
Benjamin Kramer
87e459b047 Remove unused private member variables uncovered by the recent changes to clang's -Wunused-private-field. 
llvm-svn: 160583
 2012-07-20 22:05:57 +00:00
Galina Kistanova
f5bbc5a8ed Fix few warnings. 
llvm-svn: 160576
 2012-07-20 21:30:52 +00:00
Jakob Stoklund Olesen
e3c4840e77 Avoid folding loads that are unsafe to move. 
LiveRangeEdit::foldAsLoad() can eliminate a register by folding a load
into its only use. Only do that when the load is safe to move, and it
won't extend any live ranges.

This fixes PR13414.

llvm-svn: 160575
 2012-07-20 21:29:31 +00:00
Chandler Carruth
8ccda1151b Fix a dangling StringRef bug in the auto upgrader. In one case, we reset 
CI's name, and then used the StringRef pointing at its old name. I'm
fixing it by storing the name in a std::string, and hoisting the
renaming logic to happen always. This is nicer anyways as it will allow
the upgraded IR to have the same names as the input IR in more cases.

Another bug found by AddressSanitizer. Woot.

llvm-svn: 160572
 2012-07-20 21:09:18 +00:00
Jakob Stoklund Olesen
3eb650542a Split loop exiting edges more aggressively. 
PHIElimination splits critical edges when it predicts it can resolve
interference and eliminate copies. It doesn't split the edge if the
interference wouldn't be resolved anyway because the phi-use register is
live in the critical edge anyway.

Teach PHIElimination to split loop exiting edges with interference, even
if it wouldn't resolve the interference. This removes the necessary
copies from the loop, which is still an improvement from injecting the
copies into the loop.

The test case demonstrates the improvement. Before:

LBB0_1:
  cmpb  $0, (%rdx)
  leaq  1(%rdx), %rdx
  movl  %esi, %eax
  je  LBB0_1

After:

LBB0_1:
  cmpb  $0, (%rdx)
  leaq  1(%rdx), %rdx
  je  LBB0_1

  movl  %esi, %eax

llvm-svn: 160571
 2012-07-20 20:49:53 +00:00
Benjamin Kramer
febc556c2e Try to unbreak the windows build. 
llvm-svn: 160567
 2012-07-20 19:49:33 +00:00
Daniel Dunbar
2e8b52dffd SourceMgr: Use has_colors() instead of just is_displayed() before trying to use 
color.

llvm-svn: 160559
 2012-07-20 18:29:44 +00:00
Daniel Dunbar
76b9c78855 raw_ostream: Add a has_colors() method. 
llvm-svn: 160558
 2012-07-20 18:29:41 +00:00
Daniel Dunbar
f398977a19 Process: Add sys::Process::FileDescriptorHasColors(). 
llvm-svn: 160557
 2012-07-20 18:29:38 +00:00
Daniel Dunbar
e5881c76d8 lit: Use close_fds=True on UNIX, to avoid file descriptor pollution of 
subprocesses.

llvm-svn: 160556
 2012-07-20 18:29:34 +00:00
Richard Osborne
f82086baa5 Fix assertion in jump threading (PR13405). 
GetBestDestForJumpOnUndef() assumes there is at least 1 successor, which isn't
true if the block ends in an indirect branch with no successors. Fix this by
bailing out earlier in this case.

llvm-svn: 160546
 2012-07-20 10:36:17 +00:00
Kostya Serebryany
a57ebfbe10 [asan] make sure that the crash callbacks do not get merged (Chandler's idea: insert an empty InlineAsm). Change the order in which the new BBs are inserted: the slow path BB is insert between old BBs, the crash BB is inserted at the end. Don't create an empty BB (introduced by recent commits). Update the test. The experimental code that does manual crash callback merge will most likely be deleted later. 
llvm-svn: 160544
 2012-07-20 09:54:50 +00:00
Craig Topper
015d52b2dc Don't use implicit register operands to calculate L-bit for AVX instructions. Needed because super reg defs and kills are added as implicit operands on 128-bit instructions. Fixes PR13349. Patch by Jose Fonseca. 
llvm-svn: 160543
 2012-07-20 07:03:46 +00:00
Owen Anderson
b1d0514bb6 Make RegisterOperand a subclass of DAGOperand so that RegisterOperands can be passed into multiclasses that take DAGOperands as multiclass parameters. 
llvm-svn: 160540
 2012-07-20 03:38:19 +00:00
Nick Lewycky
62064c6cc3 Revert r160529 due to crashes. 
llvm-svn: 160532
 2012-07-19 23:59:21 +00:00
Pete Cooper
4a544942c5 Fix crash in machine verifier when trying to print the def of a register which has no def 
llvm-svn: 160531
 2012-07-19 23:40:38 +00:00
Nick Lewycky
8a31eaccbd Don't wipe out global variables that are probably storing pointers to heap 
memory. This makes clang play nice with leak checkers.

llvm-svn: 160529
 2012-07-19 22:35:28 +00:00
Galina Kistanova
93e0e20314 Reverting r 160419. 
llvm-svn: 160525
 2012-07-19 21:43:55 +00:00