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Author SHA1 Message Date
Wesley Peck
41400da31e 1. Finishing MBlaze MC asm parser test cases 
2. Parsing .word directive in MBlaze asm parser
3. Fixing hack where memory instructions reversed order of last two parameters
4. Fixing many improperly encoded instructions
5. Support parsing special instructions (MFS,MTS,etc.)
6. Removing unused functions from inst printer


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118941 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 23:30:17 +00:00
Devang Patel
522ad74e4b Remove DW_AT_start_scope support. It is incomplete and superseeded by location entries support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118940 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 23:20:42 +00:00
Owen Anderson
7a6b810dcb Attemt to provide correct encodings for Thumb2 binary operators. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118939 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 23:18:11 +00:00
Evan Cheng
893d7fe209 Eliminate ARM::MOVi2pieces. Just use MOVi32imm and expand it to either movi+orr or movw+movt depending on the subtarget. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118938 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 23:03:38 +00:00
Eric Christopher
c0394c0b8c Make this happen for ARM like x86. Don't entirely bail out when 
an address is in a different block, get it into a register and go
from there.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118936 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 22:52:32 +00:00
Evan Cheng
875a6ac09a Add conditional mvn instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118935 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 22:42:47 +00:00
Jim Grosbach
e1634e9351 Zap a copy/paste-o bit of dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118926 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 21:29:10 +00:00
Jim Grosbach
2716e25c2c Refactor to parameterize some ARM load/store encoding patterns. Preparatory 
to splitting the load/store pre/post indexed instructions into [r, r] and
[r, imm] forms.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 21:28:15 +00:00
Owen Anderson
5de6d841a5 First stab at providing correct Thumb2 encodings, start with adc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118924 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 21:12:40 +00:00
Duncan Sands
88c3df7afb Have GVN simplify instructions as it goes. For example, consider 
"%z = %x and %y".  If GVN can prove that %y equals %x, then it turns
this into "%z = %x and %x".  With the new code, %z will be replaced
with %x everywhere (and then deleted).  Previously %z would be value
numbered too, which is a waste of time.  Also, while a clever value
numbering algorithm would give %z the same value number as %x, our
current one doesn't do so (at least I don't think it does).  The new
logic has an essentially equivalent effect to what you would get if
%z was given the same value number as %x, i.e. it should make value
numbering smarter.  While there, get hold of target data once at the
start rather than a gazillion times all over the place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118923 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 21:10:24 +00:00
Evan Cheng
529916ca4a Add some missing isel predicates on def : pat patterns to avoid generating VFP vmla / vmls (they cause stalls). Disabling them in isel is properly not a right solution, I'll look into a proper solution next. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118922 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 20:32:20 +00:00
Jim Grosbach
b39e6488ee Kill more unused stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118921 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 19:27:45 +00:00
Benjamin Kramer
1261a2ff99 MCELF: Copy the symbol name only if we're going to modify it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118920 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 19:26:04 +00:00
Jim Grosbach
a0a6a47c02 Remove unused class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118919 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 19:24:53 +00:00
Rafael Espindola
9d9ae9fb59 Add --enable-docs. Patch by NAKAMURA Takumi. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118918 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 19:24:06 +00:00
Dan Gohman
52668c9a30 When the definition of an address value is in a different block 
from the user of the address, fall back to just using the
address in a register instead of bailing out of fast-isel
altogether.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118917 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 19:14:00 +00:00
Chris Lattner
269f10b316 accept lret as an alias for lretl, fixing the reopened part of PR8592 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118916 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:54:56 +00:00
Rafael Espindola
bac0ad9eda Remove what looks like dead code in the production of debug lines. 
We only produce debug line information if we have seen a line directive, so
this code is dead. Also, if we want to be bug by bug compatible with
gas and sometimes produce "empty" .debug_line sections, this will
match the content produced by gas.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118914 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:41:26 +00:00
Andrew Trick
f06202f8e8 typo (4th checkin for one fix) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118913 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:36:03 +00:00
Andrew Trick
11f20edcf9 Emacs auto-fill bug. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118908 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:17:46 +00:00
Jim Grosbach
d75c3f136b Fill in the default predication bits for ARM unconditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118907 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 18:13:26 +00:00
Andrew Trick
4252ffdef6 Test case for PR8287: SD scheduling time. Fixed in r118904. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118906 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 17:57:22 +00:00
Jim Grosbach
80f9e6724f Encoding for ARM LDRSB instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118905 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 17:52:59 +00:00
Andrew Trick
de91f3c5eb Fixes PR8287: SD scheduling time. The fix is a failsafe that prevents 
catastrophic compilation time in the event of unreasonable LLVM
IR. Code quality is a separate issue--someone upstream needs to do a
better job of reducing to llvm.memcpy. If the situation can be reproduced with
any supported frontend, then it will be a separate bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118904 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 17:50:46 +00:00
Chris Lattner
6b5e3978e3 implement PR8592: empirically "lretq" is a "lret" with a rex.w prefix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118903 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 17:41:20 +00:00
Chris Lattner
a29aae7aca tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118896 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 17:24:29 +00:00
Rafael Espindola
d4a352609f gnu as support both % and @ before types, do the same. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118893 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 15:47:08 +00:00
Dan Gohman
c9d8a75e44 Re-disable TBAA for now; it broke MultiSource/Applications/JM/lencod, 
at least.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118890 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 11:21:08 +00:00
Kalle Raiskila
7ea1ab5f41 Fix memory access lowering on SPU, adding 
support for the case where alignment<value size.

These cases were silently miscompiled before this patch.
Now they are overly verbose -especially storing is- and
any front-end should still avoid misaligned memory 
accesses as much as possible. The bit juggling algorithm
added here probably has some room for improvement still.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118889 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 10:14:03 +00:00
Eric Christopher
d0c82a683e Fix up a few more spots of addrmode2 (or not) changes that were 
missed. Update some comments accordingly.

Fixes rdar://8652289


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118888 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 09:48:30 +00:00
Dan Gohman
b238536ada Enable TBAA. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118884 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 06:20:01 +00:00
Lang Hames
5e77f4b1d2 Fix some style issues in PBQP. Patch by David Blaikie. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118883 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 05:47:21 +00:00
Dan Gohman
720a2ed6d9 Enhance DSE to handle the case where a free call makes more than 
one store dead. This is especially noticeable in
SingleSource/Benchmarks/Shootout/objinst.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 02:19:17 +00:00
Dan Gohman
02df7e90cf Filecheckize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118874 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 02:02:39 +00:00
Dale Johannesen
0e03456a65 Remove possibly useful info from comment, per Chris. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118865 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 00:43:18 +00:00
Bruno Cardoso Lopes
7d5652dcd5 Enable mips32 mul instruction. Patch by Akira Hatanaka <ahatanaka@mips.com> 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118864 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 00:38:32 +00:00
Chris Lattner
97928d136a describe the preferred approach to silencing 'unused variable warnings' due to asserts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118863 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 00:19:41 +00:00
Chris Lattner
ccb5c677c6 add operand iterator apis to MachineInstr, patch by ether zhhb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118862 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 00:00:21 +00:00
Jim Grosbach
e50e6bcd90 Start of support for binary emit of 16-it Thumb instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118859 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 23:41:09 +00:00
Owen Anderson
8f14391314 Fill out support for Thumb2 encodings of NEON instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 23:12:55 +00:00
Wesley Peck
48bcda4dd6 The BRK instruction in the MicroBlaze is a branch-and-link. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 22:21:08 +00:00
Nick Lewycky
67b6464377 Doxygenify 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118846 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:51:44 +00:00
Dan Gohman
6d8eb156e6 Add helper functions for computing the Location of load, store, 
and vaarg instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118845 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:50:19 +00:00
Wesley Peck
ef5b390263 Fix tblgen instruction errors exposed by MC asm parser tests 
Fix minimum 16-bit signed value error exposed by MC asm parser tests
Add initial MC asm parser tests for the MBlaze backend


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118844 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:40:53 +00:00
Owen Anderson
57dac88f77 Add correct Thumb2 encodings for NEON vst[1,2,3,4] and vld[1,2,3,4]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118843 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:36:43 +00:00
Dan Gohman
888cbda188 Don't forget the TBAA info, if available. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118842 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:27:26 +00:00
Dan Gohman
4d70a29490 Factor out Instruction::isSafeToSpeculativelyExecute's code for 
testing for dereferenceable pointers into a helper function,
isDereferenceablePointer.  Teach it how to reason about GEPs
with simple non-zero indices.

Also eliminate ArgumentPromtion's IsAlwaysValidPointer,
which didn't check for weak externals or out of range gep
indices.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118840 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:23:25 +00:00
Owen Anderson
410cb57524 Flesh out tests for Thumb2 encodings of NEON instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118837 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:15:47 +00:00
Dan Gohman
32d1fe52e2 Delete unneeded ssp attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:08:46 +00:00
Eric Christopher
79ab2fe01a Revert the accidental commit I made reverting the previous commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118835 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 20:50:14 +00:00