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Author SHA1 Message Date
Jakob Stoklund Olesen
4a1b9d82a4 Use existing function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139055 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:52:49 +00:00
Jim Grosbach
83452b2064 Thumb2 parsing and encoding for CBZ/CBNZ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139054 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:46:10 +00:00
Jim Grosbach
6c3e11ea55 Thumb2 parsing and encoding for BXJ. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139053 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:43:09 +00:00
Jim Grosbach
cefd2020a6 Thumb2 parsing and encoding for BIC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139052 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:37:54 +00:00
Jim Grosbach
0b9a3d37c5 Thumb2 parsing and encoding for BFI. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139051 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:28:46 +00:00
Jim Grosbach
7413f41d3b Thumb2 parsing and encoding for BFC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139050 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:25:46 +00:00
Jim Grosbach
a110988b39 Thumb2 parsing and encoding of B instruction. 
Tweak handling of IT blocks a bit to enable this. The differentiation between
B and Bcc needs special sauce.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139049 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 23:22:08 +00:00
Andrew Trick
7a15a9ad97 Attempt to silence known valgrind errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139048 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:59:34 +00:00
Jakob Stoklund Olesen
439f71eb30 Remove unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139047 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:41:25 +00:00
Bill Wendling
47e208bbea Try to eliminate the use of the 'unwind' instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139046 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:41:11 +00:00
Eli Friedman
4136d23c48 Don't fast-isel for atomic load/store; some cases require extra handling missing from fast-isel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139044 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 22:33:24 +00:00
Jim Grosbach
5f25fb01b4 Thumb2 parsing and encoding for ASR. 
For other shift and rotate instructions, too. Tests for those forthcoming
as I work my way through the ISA.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139040 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:28:54 +00:00
Bill Wendling
d5941195e2 Better fix for this testcase. Update it to the new EH scheme entirely. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139039 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:27:08 +00:00
Bill Wendling
cc6927b9e1 Update for new EH stuff. (I'm not sure if this is 100% correct.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139038 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:24:17 +00:00
Andrew Trick
6984625d16 Test case update for unroll-scev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139037 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:21:03 +00:00
Andrew Trick
252ef7a61a Comment and clarifying assert. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139036 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:20:46 +00:00
Bill Wendling
271439053d No need to get fancy inserting a PHI node when the values are stored in stack 
slots. This fixes a bug where the number of nodes coming into the PHI node may
not equal the number of predecessors. E.g., two or more landingpad instructions
may require a PHI before reaching the eh.exception and eh.selector instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139035 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 21:17:08 +00:00
David Greene
011dca7fac Make RecordVal Name an Init 
Store a RecordVal's name as an Init to allow class-qualified Record
members to reference Records that have Init names.  We'll use this to
provide more programmability in how we name defs and their associated
members.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139031 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 20:12:07 +00:00
Kevin Enderby
d5705fe50d Change X86 disassembly to print immediates values as signed by default. Special 
case those instructions that the immediate is not sign-extend.  radr://8795217


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139028 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 20:01:23 +00:00
Jim Grosbach
8e0c7697fd Tidy up. Formatting. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139024 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:46:15 +00:00
Bill Wendling
9dc31e8705 Update comments to reflect reality. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139023 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:43:33 +00:00
Jim Grosbach
d2990107a9 Tidy up. 80 columns. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139022 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:43:25 +00:00
Jim Grosbach
5c1ac55542 Thumb2 parsing and encoding for AND (register). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139021 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:41:35 +00:00
Jakob Stoklund Olesen
8040e06434 Simplify by using isFullCopy(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139019 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:18:29 +00:00
Bill Wendling
d199aa012b Revert r138826 until PR10834 can be fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139018 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:15:04 +00:00
Jim Grosbach
f0851e5d95 Thumb2 parsing and encoding for ADD (register). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139017 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:14:46 +00:00
Duncan Sands
147272b8a7 Darwin wants ctors/dtors to be ordered the other way round to linux. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139015 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:07:19 +00:00
Kevin Enderby
98f213cd60 Fix the disassembly of the X86 "crc32w %ax, %eax" instruction. Bug 10702. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139014 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 18:03:03 +00:00
Jim Grosbach
ca52a7e38c Tests for Thumb2 AND (immediate) instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139013 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:44:27 +00:00
Jakub Staszak
9469d5cf48 Extra CHECK-NOT to make sure that GVN transform works properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139012 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:40:39 +00:00
Andrew Trick
dc07321164 -unroll-scev flag removal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139010 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:36:14 +00:00
Andrew Trick
12d1ebe943 Enable SCEV-based unrolling by default. 
This changes loop unrolling to use the same mechanism for trip count
computation as indvars. This is a stronger check that tends to unroll
more loops. A very common side-effect is that many single iteration
loops will be removed sooner. The real goal was simply to remove
dependence on canonical IVs.

x86 is break even.
ARM performance changes to expect (+ is good):
External/SPEC/CFP2000/183.equake/183.equake +13%
SingleSource/Benchmarks/Dhrystone/fldry     +21%
MultiSource/Applications/spiff/spiff         +3%
SingleSource/Benchmarks/Stanford/Puzzle     -14%

The Puzzle regression is actually an improvement in loop optimization
that defeats GVN: rdar://problem/10065079.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139009 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:26:28 +00:00
Jim Grosbach
aca878c5e6 Add FIXME. Thumb2 ADR encoding choice is non-trivial. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139008 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:21:59 +00:00
Jakub Staszak
8370d91f1e Return undef value (instead of arbitrary) for wrong or undef index in 
ConstantVector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139007 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 17:01:40 +00:00
Jakub Staszak
4c6b8bee2a ConstantVector returns arbitrary value for the wrong index. 
This fixes PR10813.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139006 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 15:43:43 +00:00
Jakub Staszak
8cec759339 Compare type size instead of type _store_ size to make sure that BitCastInst 
will be valid. This fixes PR10820.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139005 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 14:57:37 +00:00
Kalle Raiskila
989621f1f8 Pass signed (not unsigned) 10 bit field to SPU 'ori' instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139004 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 10:05:01 +00:00
Craig Topper
5ffedb9352 Make IC_VEX* not inherit from IC_*. Prevents instructions with no VEX form from disassembling to their non-VEX form. Also prevents weak filter collisons that were keeping valid VEX instructions from decoding properly. Make VEX_L* not inherit from VEX_* because the VEX.L bit always important. This stops packed int VEX encodings from being disassembled when specified with VEX.L=1. Fixes PR10831 and PR10806. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138997 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 04:17:54 +00:00
Bill Wendling
24fbb5875c Perform the upgrading of the old EH to the new EH in a more sane manner. 
Perform the upgrading in steps.

* First, create a map of the invokes to the EH intrinsics.

* Next, take that mapping and determine if the invoke's unwind destination has a
  single predecessor. If not, then create a new empty block to hold the new
  landingpad instruction.

* Create a landingpad instruction into the uwnind destination. Fill it with the
  values from the old selector. Map the old intrinsic calls to the new
  landingpad values (there may be multiple landingpad instructions per instrinic
  call pairs).

* Go through the old intrinsic calls, create a PHI node when necessary, and then
  replace their values with the new values from the landingpad instructions.

* Delete all dead instructions.

* ???

* Profit!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138990 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 01:30:08 +00:00
Bill Wendling
b0b9a67f98 Update to new EH scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138989 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-02 01:25:11 +00:00
Owen Anderson
a1c110045a Merge the ARM disassembler header into the implementation file, since it is not externally exposed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138982 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 23:35:51 +00:00
Owen Anderson
a6804444e8 Fix 80 columns violations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138980 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 23:23:50 +00:00
Dan Gohman
6b13cd4154 Revert r131152, r129796, r129761. This code is currently considered 
to be unreliable on platforms which require memcpy calls, and it is
complicating broader legalize cleanups. It is hoped that these cleanups
will make memcpy byval easier to implement in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138977 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 23:07:08 +00:00
Benjamin Kramer
36a16015ac Don't drop alignment info on local common symbols. 
- On COFF the .lcomm directive has an alignment argument.
- On ELF we fall back to .local + .comm

Based on a patch by NAKAMURA Takumi.

Fixes PR9337, PR9483 and PR10128.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138976 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 23:04:27 +00:00
Eli Friedman
7df496d2ad Null-initialize to shut up -Wuninitialized warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138974 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 22:27:41 +00:00
James Molloy
ee06443945 Fix apparent build error caused by r138948 on certain versions of GCC with -Werror. Sorry for the inconvenience. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138973 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 22:01:14 +00:00
Bill Wendling
6bb4e7e8e8 Reduce indentation. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138968 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 21:29:49 +00:00
Bill Wendling
c8c0fd3993 Change worklist driven deletion to be an iterative process. 
Duncan noticed this!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138967 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 21:28:33 +00:00
Eli Friedman
770e16fe17 Fix test; sorry for any inconvenience. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138966 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 21:25:42 +00:00
Eli Friedman
86b5db8c01 Fix an issue with the IR sink pass found by inspection. (I'm not sure anyone is actually using this, but might as well fix it since I found the issue.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138965 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-09-01 21:21:24 +00:00