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36574 Commits

Author SHA1 Message Date
Evan Cheng
ac1abde05b Swap parameters of isSafeToMove and isSafeToReMat for consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97578 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 19:03:01 +00:00
Evan Cheng
c5bbba1e49 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97577 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 19:02:27 +00:00
Johnny Chen
93042d1dc8 Added 32-bit Thumb instructions: CPS, SDIV, UDIV, SXTB16, SXTAB16, UXTAB16, SEL, 
SMMULR, SMMLAR, SMMLSR, TBB, TBH, and 16-bit Thumb instruction CPS for
disassembly only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 18:14:57 +00:00
Devang Patel
1eac3e7d1e Fix grammar. 
Thanks Duncan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97572 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 17:58:15 +00:00
Johnny Chen
9d3acaa1a0 AL is an optional mnemonic extension for always, except in IT instructions. 
Add printMandatoryPredicateOperand() PrintMethod for IT predicate printing.

Ref: A8.3 Conditional execution

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97571 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 17:57:15 +00:00
Johnny Chen
7cfa51ebd8 Change some asm shift opcode strings to lowercase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97567 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 17:03:18 +00:00
Xerxes Ranby
901a8b7c6b fix typo add missing ( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97565 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 13:42:03 +00:00
Xerxes Ranby
02735c97fd Unbreak llvm-arm-linux buildbot and fix PR5309. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97564 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 13:26:18 +00:00
Duncan Sands
6d52102b92 Rather than passing "false" for InsertBefore, AddressSpace for ThreadLocal, 
and nothing for AddressSpace, pass 0 for InsertBefore, "false" for ThreadLocal
and AddressSpace for AddressSpace.  Spotted by gcc-4.5.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97563 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 11:18:43 +00:00
Chris Lattner
82dd3d38d9 Fix the xfail I added a couple of patches back. The issue 
was that we weren't properly handling the case when interior
nodes of a matched pattern become dead after updating chain
and flag uses.  Now we handle this explicitly in 
UpdateChainsAndFlags.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97561 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 07:50:03 +00:00
Chris Lattner
61c97f6932 I was confused about this, it turns out that MorphNodeTo 
*does* delete ex-operands that become dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97559 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 07:14:49 +00:00
Chris Lattner
3ff1e4db78 factor node morphing out to its own helper method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97558 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 06:55:04 +00:00
Chris Lattner
7c306da505 Sink InstructionSelect() out of each target into SDISel, and rename it 
DoInstructionSelection.  Inline "SelectRoot" into it from DAGISelHeader.
Sink some other stuff out of DAGISelHeader into SDISel.

Eliminate the various 'Indent' stuff from various targets, which dates
to when isel was recursive.

 17 files changed, 114 insertions(+), 430 deletions(-)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97555 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 06:34:30 +00:00
Eric Christopher
8d17882efa Only save vector registers if we've defined for the vector registers. 
Fixes PR5309.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97554 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 06:25:00 +00:00
Erick Tryzelaar
f3d5c91550 Fix looking up MD names to not need a module. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97550 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 05:32:52 +00:00
Eric Christopher
7b2c9e6a30 Add file to CMakeLists.txt 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97545 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 02:49:43 +00:00
Evan Cheng
c6fe333688 Add skeleton of a machine level cse pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97543 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 02:38:24 +00:00
Chris Lattner
6183fbd726 Use the right induction variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97541 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 02:37:23 +00:00
Chris Lattner
c6d7ad3c7d Rewrite chain handling validation and input TokenFactor handling 
stuff now that we don't care about emulating the old broken 
behavior of the old isel.  This eliminates the 
'CheckChainCompatible' check (along with IsChainCompatible) which
did an incorrect and inefficient scan *up* the chain nodes which
happened as the pattern was being formed and does the validation
at the end in HandleMergeInputChains when it forms a structural 
pattern.  This scans "down" the graph, which means that it is
quickly bounded by nodes already selected.  This also handles
token factors that get "trapped" in the dag.

Removing the CheckChainCompatible nodes also shrinks the 
generated tables by about 6K for X86 (down to 83K).

There are two pieces remaining before I can nuke PreprocessRMW:
1. I xfailed a test because we're now producing worse code in a 
   case that has nothing to do with the change: it turns out that
   our use of MorphNodeTo will leave dead nodes in the graph
   which (depending on how the graph is walked) end up causing
   bogus uses of chains and blocking matches.  This is really 
   bad for other reasons, so I'll fix this in a follow-up patch.

2. CheckFoldableChainNode needs to be improved to handle the TF.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97539 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 02:22:10 +00:00
Dan Gohman
5b870aff81 Fix several places to handle vector operands properly. 
Based on a patch by Micah Villmow for PR6438.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97538 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 02:14:38 +00:00
Dan Gohman
069d6f3396 Non-affine post-inc SCEV expansions have more code which must be 
emitted after the increment. Make sure the insert position
reflects this. This fixes PR6453.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97537 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:59:21 +00:00
Bill Wendling
46ada19645 Remove dead parameter passing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97536 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:55:18 +00:00
Devang Patel
6b506cbce0 Constructors and operators for anonymous aggregates does not names. Do not force empty AT_name attribute in such cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97533 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:26:20 +00:00
Dan Gohman
a9445e11c5 Floating-point add, sub, and mul are now spelled fadd, fsub, and fmul, 
respectively.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 01:11:08 +00:00
Chris Lattner
319ef94030 remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97529 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 00:40:26 +00:00
Bob Wilson
3bd19d753b Don't attempt load PRE when there is no real redundancy (i.e., the load is in 
a loop and is itself the only dependency).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97526 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 00:09:29 +00:00
Chris Lattner
6b30792d2d refactor some code out of OPC_EmitMergeInputChains into a 
new helper function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97525 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-02 00:00:03 +00:00
Bob Wilson
70704978af When GVN needs to split critical edges for load PRE, check all of the 
predecessors before returning.  Otherwise, if multiple predecessor edges need
splitting, we only get one of them per iteration.  This makes a small but
measurable compile time improvement with -enable-full-load-pre.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97521 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 23:37:32 +00:00
Chris Lattner
e60f7b4412 remove a little hack I did for the old isel, not needed 
now that it is gone.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97516 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 22:51:11 +00:00
Evan Cheng
19d417c346 MemoryDepAnalysis is not used if redundant load processing is disabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97512 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 22:23:12 +00:00
Chris Lattner
df51247725 remove all but one version of SelectionDAG::MorphNodeTo 
(the most general) the others are dead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97511 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 22:20:05 +00:00
Evan Cheng
73736df88b Remove the optimize for code size limitation on r67917. Optimize 64-bit imul by constants into leas + shl regardless if optimizing for code size. The size saving from using imulq isn't worth it. Also, the lea and shl instructions may expose further optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97507 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 22:00:11 +00:00
Chris Lattner
31c020a147 remove a terrible hack that disabled assertions from this file because of build time 
problems.  rdar://7697850.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97500 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 21:20:46 +00:00
Jakob Stoklund Olesen
e5d90416ee Use methods to determine if a LiveInterval is spillable. 
Don't accidentally produce unspillable intervals for deeply nested loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97496 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 20:59:38 +00:00
Ted Kremenek
1b6c4bd0e9 Update CMake build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97488 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 19:42:47 +00:00
Chris Lattner
4c353e3c34 stop using generated sdnodexforms. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97485 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 19:38:53 +00:00
Chris Lattner
a9cf19670f remove anders-aa from mainline, it isn't maintained and is 
tantalyzing enough that people keep trying to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97483 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 19:24:17 +00:00
Johnny Chen
ad4df4c0da Added STRHT for disassembly only and fixed a bug in AI3sthpo class where the W 
bit should be set to 0 instead of 1.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97481 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 19:22:00 +00:00
Chris Lattner
7390eebd49 Accelerate isel dispatch for tables that start with a top-level 
OPC_SwitchOpcode to use a table lookup instead of having to go
through the interpreter for this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97469 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 18:47:11 +00:00
John McCall
d44c6cc477 Don't potentially read past the end of the fill data when making a NaN from 
an APInt.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97467 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 18:38:45 +00:00
Dan Gohman
042919c0c5 Fix optimization of ISD::TRUNCATE on vector operands. Based on a patch 
by Micah Villmow for PR6335.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97461 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:59:21 +00:00
Dan Gohman
ce931c65ee Add explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97460 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:56:46 +00:00
Dan Gohman
7cbf5a803e Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97459 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:56:04 +00:00
Dan Gohman
c5e49c64d1 Add some debug output to LoopSimplify. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97458 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:55:27 +00:00
Dan Gohman
3f46a3abee Spelling fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97453 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:49:51 +00:00
Dan Gohman
85e9601862 This is now done. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97450 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:43:57 +00:00
Dan Gohman
52fd7da295 Fix a missing newline in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97449 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:42:55 +00:00
Dan Gohman
fd6f338ab1 Prune #includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97448 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:42:17 +00:00
Dan Gohman
16b77211cf Don't print "Modified" for passes which haven't modified anything. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97446 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 17:34:28 +00:00
Nathan Keynes
1ac1c1ee5d Add JIT support to the TODO list (test commit) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97443 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-03-01 10:40:41 +00:00