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Author SHA1 Message Date
Jim Grosbach
0c49ac05cd Explicitly disallow predication in Thumb1 assembly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138562 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 17:23:55 +00:00
Craig Topper
ebc1db0fac Add more missing TB encodings to VEX instructions to allow them to be disassembled. Fixes remainder of PR10678. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138553 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 08:11:01 +00:00
Craig Topper
113061d39b Give ATTR_VEX higher priority when generating the disassembler context table. Fixes disassembling of VEX instructions with 'pp'=00. Fixes subset of PR10678. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138552 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 07:42:00 +00:00
Craig Topper
ea03659d23 Add TB encoding to VEROALL, VZEROUPPER, and VCVTPS2PD to allow them to be disassembled. Fixes PR10723. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138551 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 06:57:46 +00:00
Bill Wendling
8b6af8a2a9 LSR wants to split the landing pad's critical edge. Let it do it, but use the 
proper function to do it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138550 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 05:55:40 +00:00
Benjamin Kramer
2df9f8df95 Initialize member variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138548 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 04:04:18 +00:00
Bruno Cardoso Lopes
07b7f672a0 Add support for 256-bit versions of VSHUFPD and VSHUFPS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 02:58:26 +00:00
Bruno Cardoso Lopes
e7461c0353 Add memory version of SHUFPD to mask decoding! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138545 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 02:58:21 +00:00
Eli Friedman
4ba10867bd Remove empty directories. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138542 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 01:33:48 +00:00
Bill Wendling
76cf779bb8 Update tests to the newest EH syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138541 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 01:30:18 +00:00
Evan Cheng
77eaaf0a0c Hide -global-merge option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138540 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 01:22:49 +00:00
Bill Wendling
c5fb9d86b0 Add feature test for the new exception handling stuff. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138539 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 01:19:13 +00:00
Bill Wendling
89d4411cef When inserting new instructions, use getFirstInsertionPt instead of 
getFirstNonPHI so that it will skip over the landingpad instructions as well.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138537 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 01:08:34 +00:00
Evan Cheng
b8cfe4ff41 Add a command line option to disable global merge pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138536 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 01:00:36 +00:00
Evan Cheng
0f660260e6 Remove a out-of-place comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138534 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-25 00:54:42 +00:00
Bruno Cardoso Lopes
27831e5e6f Create a section for non-instructions patterns in the beginning of the 
file, and move more code around!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138521 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:11 +00:00
Bruno Cardoso Lopes
9993499057 Move code around! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138520 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:09 +00:00
Bruno Cardoso Lopes
de79231468 Organize UNPCK* patterns, also add remaining for AVX. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138519 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:06 +00:00
Bruno Cardoso Lopes
4cf4778ac4 Move remaining MOVDDUP patterns close to MOVDDUP defintion and duplicate 
the missing ones for AVX.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138518 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:04 +00:00
Bruno Cardoso Lopes
4724f25ed6 Organize and tidy up MOVDDUP section. Also update comments! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138517 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:18:02 +00:00
Bruno Cardoso Lopes
6140294363 Move MOVHLPS patterns close to MOVHLPS definition, and duplicate the 
pattern for 128-bit AVX mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138516 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:17:59 +00:00
Bruno Cardoso Lopes
954d5eabb7 Move all PSHUF* patterns close to the PSHUF* definitions. Also be 
explicit about which subtarget they refer to, and add AVX versions of
the ones we currently don't. Remove old and now wrong comments!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138515 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:17:57 +00:00
Bruno Cardoso Lopes
af002d8405 Move all SHUFP* patterns close to the SHUFP* definitions. Also be 
explicit about which subtarget they refer to, and add AVX versions of
the ones we currently don't. Make the mask check more strict, to be
clear it won't be used to match to 256-bit versions!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138514 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 23:17:55 +00:00
Owen Anderson
f44082091c Perform more thorough checking of t2IT mask parameters, which fixes all remaining crashers when disassembling the entire 16-bit instruction space. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138507 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 22:40:22 +00:00
Eli Friedman
f8f90f0174 Hook up 64-bit atomic load/store on x86-32. I plan to write more efficient implementations eventually. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138505 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 22:33:28 +00:00
Evan Cheng
5fbe5e783e Some autoconf tests use module level inline asm to test compiler's handling of 
.cfi_startproc. e.g. libffi:

 $ cat confopt.c 
asm (".cfi_startproc\n\t.cfi_endproc");

int main () { return 0; }

Teach MC / dwarf emission to handle these cfi directives which essentially
create an empty frame.

rdar://10017184


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138504 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 22:31:37 +00:00
Jim Grosbach
070260cb29 Update tests for 138501. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138502 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 22:30:18 +00:00
Jim Grosbach
b9d3ff8729 ARM asm backend initialize isThumbMode based on target triple. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138501 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 22:27:35 +00:00
Jim Grosbach
4d23e99d2a Thumb .n mnemonic qualifiers can be ignored for now. 
We'll need to pay attention to them when we start getting more serious about
the details of parsing thumb2 assembly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138500 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 22:19:48 +00:00
Jim Grosbach
f69c804036 Thumb parsing and encoding for SUB (SP minu immediate). 
Fix FiXME in test file. Remove FIXME for SUB (SP minus register) since that
form is Thumb2 only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138494 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 21:42:27 +00:00
Owen Anderson
12a1e3bbcb Be careful not to walk off the end of the operand info list while updating VFP predicates. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138492 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 21:35:46 +00:00
Jim Grosbach
72f39f8436 Thumb parsing and encoding support for ADD SP instructions. 
Fix the test FIXME and add parsing support for the ADD (SP plus immediate)
and ADD (SP plus register) instruction forms.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138488 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 21:22:15 +00:00
Eli Friedman
4317fe1fc6 Fix whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138487 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 21:17:30 +00:00
Eli Friedman
bbc87a3a9a Basic tests for atomic load and store on x86. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138486 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 21:16:59 +00:00
Bill Wendling
a4c86ab073 Skip the landingpad instruction when determining the insertion point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138481 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 21:06:46 +00:00
Eli Friedman
327236cd6c Basic x86 code generation for atomic load and store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138478 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 20:50:09 +00:00
Bill Wendling
b05fdd6bab Use getFirstInsertionPt instead of getFirstNonPHI so that it skips to the proper 
insertion place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138473 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 20:28:43 +00:00
Eli Friedman
c264b2f693 Some minor updates to atomic acquire/release docs in LangRef. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138472 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 20:28:39 +00:00
Nadav Rotem
4c7c0f2353 Implement Constant::isAllOnesValue(). Fix ConstantFolding to use the new api. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138469 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 20:18:38 +00:00
Jim Grosbach
df9ce6bbc5 When printing Thumb1 NOP ('mov r8, r8'), make sure to print the predicate. 
rdar://10015134

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138467 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 20:06:14 +00:00
Bruno Cardoso Lopes
356e988110 Mark VZEROALL as clobbering all YMM registers 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138461 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 18:48:33 +00:00
Jim Grosbach
f95aaf951b Add missing explicit writeback operand to tSTMIA_UPD. 
rdar://10014745

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138457 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 18:19:42 +00:00
Evan Cheng
3e74d6fdd2 Move TargetRegistry and TargetSelect from Target to Support where they belong. 
These are strictly utilities for registering targets and components.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138450 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 18:08:43 +00:00
Rafael Espindola
605e2b5184 Fix a crashing bug in SplitBlock when it is called on a block with no 
dominator information even though dominators were previously computed.

Patch by Nick Sumner.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138449 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 18:07:01 +00:00
Jim Grosbach
c7e0bb2325 Thumb add SP assembly syntax fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138448 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 18:04:27 +00:00
Jim Grosbach
5b81584f74 Thumb1 ADD/SUB SP instructions are predicable in Thumb2 mode. 
Add the predicate operand to the instructions. Update the back end
accordingly where the instructions are used. Restrict the SP operands
to actually only be SP, as otherwise these break assembly parsing for the
normal instruction variants.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138445 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 17:46:13 +00:00
Owen Anderson
e234d02204 Be stricter in enforcing IT instruction predicate values, so that we don't end up trying to print out an illegal predicate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138443 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 17:21:43 +00:00
Owen Anderson
ddaa513fce Port over more encoding tests to decoding tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138441 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 17:08:34 +00:00
Jim Grosbach
ee61d67c2f Tidy up. Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138437 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 16:44:17 +00:00
Richard Osborne
8f9c5cca4f Add Uses=[SP] to call instructions. This fixes a miscompilation with a 
variable sized alloca.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138433 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-24 13:32:43 +00:00