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Author SHA1 Message Date
Evan Cheng
bc7deb0f75 Add support to match @llvm.prefetch to pld / pldw / pli. rdar://8601536. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118152 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 05:14:24 +00:00
Bill Wendling
cdbbec43a8 Put the PC encoding in the correct bit position. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 04:57:44 +00:00
Eric Christopher
000cf708ef Invert these branches by default, it makes assembly comparisons a little 
easier to read.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118148 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 04:29:11 +00:00
Bill Wendling
92b5a2eb16 The MC code couldn't handle ARM LDR instructions with negative offsets: 
vldr.64 d1, [r0, #-32]

The problem was with how the addressing mode 5 encodes the offsets. This change
makes sure that the way offsets are handled in addressing mode 5 is consistent
throughout the MC code. It involves re-refactoring the "getAddrModeImmOpValue"
method into an "Imm12" and "addressing mode 5" version. But not to worry! The
majority of the duplicated code has been unified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 01:49:29 +00:00
Dan Gohman
394d6298bc Fix DAGCombiner to avoid going into an infinite loop when it 
encounters (and:i64 (shl:i64 (load:i64), 1), 0xffffffff).
This fixes rdar://8606584.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 01:47:46 +00:00
Jim Grosbach
2915eb4430 Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118141 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 01:35:15 +00:00
Jim Grosbach
0a2287b909 Remove the no longer used 'Modifier' optional operand to the ARM 
printOperand() asm printer helper functions. rdar://8425198

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118140 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 01:11:15 +00:00
Jim Grosbach
496e2b2908 Remove unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118139 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 01:07:48 +00:00
Jim Grosbach
e6913600c7 Break ARM addrmode4 (load/store multiple base address) into its constituent 
parts. Represent the operation mode as an optional operand instead.
rdar://8614429

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118137 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 01:01:43 +00:00
Evan Cheng
8239daf7c8 Two sets of changes. Sorry they are intermingled. 
1. Fix pre-ra scheduler so it doesn't try to push instructions above calls to
   "optimize for latency". Call instructions don't have the right latency and
   this is more likely to use introduce spills.
2. Fix if-converter cost function. For ARM, it should use instruction latencies,
   not # of micro-ops since multi-latency instructions is completely executed
   even when the predicate is false. Also, some instruction will be "slower"
   when they are predicated due to the register def becoming implicit input.
   rdar://8598427


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118135 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 00:45:17 +00:00
Evan Cheng
41957f6eb2 Modify scheduling itineraries to correct instruction latencies (not operand 
latencies) of loads.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 00:40:22 +00:00
Dan Gohman
5005e27f97 Factor code out of APInt to form a isUIntN helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 00:38:40 +00:00
Chris Lattner
9372fd3c92 fix typo, patch by Trevor Harmon (PR8537) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 00:30:29 +00:00
Dan Gohman
303f350f7d Print an error as one big string instead of breaking it up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118130 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 00:24:33 +00:00
Dan Gohman
4e0a9c51b4 Delete unused variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118128 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 00:09:12 +00:00
Dan Gohman
aabb9b67bc Remove several unhelpful checks for isValid from sys::Path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118127 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-03 00:01:23 +00:00
Eric Christopher
4c914125c4 Make sure we're only storing a single bit here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118126 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:59:09 +00:00
Chris Lattner
491561dcac per a suggestion by Frits van Bommel, mark all MBlaze Pseudo 
instructions as isCodeGenOnly in the parent class instead of
sprinkling it throughout the .td files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118125 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:57:05 +00:00
Chris Lattner
f4b284f991 chase owen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118124 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:55:24 +00:00
Chris Lattner
ca99597ed5 tweak this to pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118122 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:50:17 +00:00
Owen Anderson
f431edae5c Revert r118097 to fix buildbots. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118121 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:47:29 +00:00
Chris Lattner
d5b02302f3 temporarily xfail this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118120 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:44:50 +00:00
Chris Lattner
a1ca91af4e Completely reject instructions that have an operand in their 
ins/outs list that isn't specified by their asmstring.  Previously
the asmmatcher would just force a 0 register into it, which clearly
isn't right.  Mark a bunch of ARM instructions that use this as 
isCodeGenOnly.  Some of them are clearly pseudo instructions (like
t2TBB) others use a weird hasExtraSrcRegAllocReq thing that will
either need to be removed or the asmmatcher will need to be taught
about it (someday).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118119 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:40:41 +00:00
Jakob Stoklund Olesen
e6c6cec82b Tweak the opt -O2 / opt -O3 inliner thresholds to be the same as llvm-gcc and 
clang are using.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118118 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:40:28 +00:00
Jakob Stoklund Olesen
930f5efac0 Let the -inline-threshold command line argument take precedence over the 
threshold given to createFunctionInliningPass().

Both opt -O3 and clang would silently ignore the -inline-threshold option.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118117 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:40:26 +00:00
Dan Gohman
ac793822cd Don't try to enforce MAXPATHLEN in sys::Path for Unix. OS's can check 
limits on their own.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118113 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:19:55 +00:00
Chris Lattner
d51257a436 make MatchableInfo::Validate reject instructions (like LDR_PRE in ARM) 
that have complicated tying going on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118112 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:18:43 +00:00
Dan Gohman
9e2e0c39e7 Simplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118110 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:16:26 +00:00
John Thompson
45c21ff044 Inline asm mult-alt constraint tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118107 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 23:01:44 +00:00
Dan Gohman
6f6021ecfe Fix a copy+pasto. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118106 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:56:51 +00:00
Dan Gohman
b48a8fddbf Avoid manipulating paths in fixed-sized arrays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118105 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:55:34 +00:00
Chris Lattner
9b0d4bfca0 rewrite EmitConvertToMCInst to iterate over the MCInst operands, 
filling them in one at a time.  Previously this iterated over the
asmoperands, which left the problem of "holes".  The new approach
simplifies things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118104 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:55:03 +00:00
Bill Wendling
0800ce7189 Obsessive formatting changes. No functionality impact. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118103 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:53:11 +00:00
Dan Gohman
0803ebe0c8 Simplify this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118102 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:50:10 +00:00
Bill Wendling
d3a124db4d Omit unused parameter name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118099 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:46:04 +00:00
Bill Wendling
7292e0a656 Simplify the EncodeInstruction method now that a lot of the special case stuff 
is handled with the MC encoder.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118098 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:44:12 +00:00
Owen Anderson
1ba6064437 Since these fields are not exactly equivalent to the encoded field, rename them to something with semantic meaning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118097 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:41:42 +00:00
Dan Gohman
a0f1a2baee Use '\0' instead of 0 for nul character constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118096 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:41:19 +00:00
Bill Wendling
5df0e0a61d Rename getAddrModeImm12OpValue to getAddrModeImmOpValue and expand it to work 
with immediates up to 16-bits in size. The same logic is applied to other LDR
encodings, e.g. VLDR, but which use a different immediate bit width (8-bits in
VLDR's case). Removing the "12" allows it to be more generic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118094 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:31:46 +00:00
Owen Anderson
a2b50b300e Rename encoder methods to match naming convention. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118093 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:28:01 +00:00
Chris Lattner
d6e623ad15 mark a few codegenonly instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118092 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:26:33 +00:00
Mikhail Glushenkov
bd6e0323b9 appendSuffix: don't append a dot when the suffix is empty. 
Additionally, move the implementation of appendSuffix to Path.cpp: it is
platform-independent.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118089 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:18:37 +00:00
Mikhail Glushenkov
ed724fd43a Revert r118057, this is better fixed in appendSuffix itself. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118088 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:18:28 +00:00
Owen Anderson
b20594fce6 Provide correct encodings for the remaining vst variants that we currently generate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118087 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:18:18 +00:00
Dan Gohman
8d4fd965d4 Eliminate some temporary std::strings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118086 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 22:07:47 +00:00
Owen Anderson
e95c946aeb Tentative encodings for the "single element from one lane" variant of vst1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118084 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:54:45 +00:00
Chris Lattner
dda855de8b merge two large parallel loops in EmitConvertToMCInst, no change 
in the generated .inc files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118083 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:49:44 +00:00
Owen Anderson
a1a45fd254 Add correct encodings for basic variants for vst3 and vst4. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118082 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:47:03 +00:00
Rafael Espindola
187ce544b2 Do relaxations with FT_Org fragments. Fixes the FIXME: 
// FIXME: We should compute this sooner, we don't want to recurse here, and
    // we would like to be more functional.

In MCAssembler::ComputeFragmentSize.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118080 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:38:23 +00:00
Oscar Fuentes
36958599a8 Removed obsolete section about VC++ project files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118072 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-02 21:34:19 +00:00