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6909 Commits

Author SHA1 Message Date
Owen Anderson
f399235a03 Remove an incorrect comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52660 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-24 00:15:10 +00:00
Owen Anderson
a6fb5b54f3 Use InstrSlots::NUM rather than pre-dividing by four. Also, mark this const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52659 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-24 00:08:35 +00:00
Dan Gohman
a0b50d7f0d Comment fixes, and make Schedule() pure virtual. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52658 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-24 00:02:44 +00:00
Dan Gohman
caf746aa5a Add a clear() method to PriorityQueue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52656 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 23:47:46 +00:00
Owen Anderson
72e04099c6 Add getScaledIntervalSize, which gives a measure of the size of an interval that is independent of the scaling of 
the function due to empty index slots.  This is suitable for use in backend heuristics that need to reason about the density
of an interval.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52652 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 23:25:37 +00:00
Dan Gohman
2904538fc3 Simplify erase_one slightly. It's not necessary to preserve 
the value of the element to be erased while the heap is
being updated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52646 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 21:46:21 +00:00
Dan Gohman
4b84086e89 Use StringMap instead of std::map<std::string, SDNode*>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52641 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 21:08:32 +00:00
Dan Gohman
84701836bf Add methods to StringMap to erase entries by key. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52640 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 21:07:03 +00:00
Evan Cheng
99ec779a93 Instead of adding an isSS field to LiveInterval to denote stack slot. Use top bit of 'reg' instead. If the top bit is set, than the LiveInterval represents a stack slot live interval. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52639 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 21:03:19 +00:00
Wojciech Matyjewicz
300c6c5167 First step to fix PR2088. Implement routine to compute the 
multiplicative inverse of a given number. Modify udivrem to allow input and 
output pairs of arguments to overlap. Patch is based on the work by Chandler
Carruth.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52638 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 19:39:50 +00:00
Dan Gohman
2f27e174a9 Remove two convenience constructors because they're now private, and the 
private implementation doesn't really need the convenience.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52629 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 16:48:17 +00:00
Dan Gohman
19a81633b0 Remove an unnecessary cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52626 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-23 16:38:10 +00:00
Dan Gohman
17f1972c77 Use SCEVAddRecExpr::isAffine. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52614 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-22 19:23:09 +00:00
Dan Gohman
11f6d3b478 Move a few more SCEVExpander methods out-of-line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52612 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-22 19:09:18 +00:00
Dan Gohman
cdb7388233 Reorder some fields in SDNode. This avoids padding, 
reducings its size from 80 to 72 on 64-bit hosts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52584 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-21 19:26:15 +00:00
Dan Gohman
94d7a5f815 Remove ScheduleDAG's SUnitMap altogether. Instead, use SDNode's NodeId 
field, which is otherwise unused after instruction selection, as an index
into the SUnit array.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52583 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-21 19:18:17 +00:00
Dan Gohman
3627e34486 Add a priority queue class, which is a wrapper around std::priority_queue 
and provides fairly efficient removal of arbitrary elements. Switch
ScheduleDAGRRList from std::set to this new priority queue.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52582 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-21 18:35:25 +00:00
Dan Gohman
4c8c83022b Change ScheduleDAG's SUnitMap from DenseMap<SDNode*, vector<SUnit*> > 
to DenseMap<SDNode*, SUnit*>, and adjust the way cloned SUnit nodes are
handled so that only the original node needs to be in the map.
This speeds up llc on 447.dealII.llvm.bc by about 2%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52576 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-21 15:52:51 +00:00
Evan Cheng
c3417609ae Undo spill weight tweak. Need to investigate the performance regressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52572 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-21 06:45:54 +00:00
Duncan Sands
c8f88cc8c0 Add some methods for querying the nature of a 
store, like the methods for loads (and neaten
those up a bit while there).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52547 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-20 18:34:30 +00:00
Dan Gohman
be20a88f53 Add an allnodes_size method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52541 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-20 16:03:16 +00:00
Gordon Henriksen
54227f6752 Add C binding for ExecutionEngine::addGlobalMapping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52523 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-20 02:16:11 +00:00
Dan Gohman
65c6795af4 It's invalid to take the one-past-the-end address of a non-array 
object.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-20 00:49:21 +00:00
Owen Anderson
5678d6e8d3 Add an idx_iterator to the insertvalue and extractvalue instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52493 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-19 17:15:57 +00:00
Dan Gohman
e6807551cb The inline keyword goes before the return type. This fixes a compiler warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52492 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-19 16:16:06 +00:00
Evan Cheng
bdf34bc12b Minor spiller tweak to unfavor reload into load/store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52477 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-19 01:16:17 +00:00
Dan Gohman
e24fa64d52 Move SCEVExpander::visitAddExpr out-of-line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-18 16:37:11 +00:00
Dan Gohman
cfeb6a4506 Move LSR's private isZero function to a public SCEV member 
function, and make use of it in several places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52463 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-18 16:23:07 +00:00
Evan Cheng
ce049437d6 Add MachineRegisterInfo::use_empty. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52451 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-18 07:47:55 +00:00
Devang Patel
6d0cc55ef3 Check empty dominance frontier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52437 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-18 02:12:09 +00:00
Dan Gohman
44f6a2c951 Auto-upgrade code for multiple-value return statements. This code 
isn't actually called yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52435 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-17 23:38:43 +00:00
Owen Anderson
26bb50ab48 Add an insertBefore method for attaching previously unattached instructions, 
such as those created by clone(), to a basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52424 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-17 18:29:27 +00:00
Owen Anderson
2b7470eb54 Fix use of placement new to actually use an address. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52423 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-17 18:07:43 +00:00
Anton Korobeynikov
210539ebc4 Provide generic hooks for icache invalidation. Add PPC implementation. 
Patch by Gary Benson!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52418 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-17 17:30:05 +00:00
Matthijs Kooijman
de9256ad2e Forgot to commit the ValueTracking header file along with r52396. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52401 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-17 13:54:33 +00:00
Matthijs Kooijman
74fc4d9686 80 column fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52391 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-17 08:26:32 +00:00
Chris Lattner
ead0d88ad7 add a new -enable-value-prop flag for llcbeta, that enables propagation 
of value info (sign/zero ext info) from one MBB to another.  This doesn't
handle much right now because of two limitations:

1) only handles zext/sext, not random bit propagation (no assert exists 
   for this)
2) doesn't handle phis.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52383 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-17 06:09:18 +00:00
Evan Cheng
4e444436f2 Horizontal-add instructions are not commutative. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52363 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 21:16:24 +00:00
Gabor Greif
e98fc279e2 Move some documentation from the header file into ProgrammersManual. About to improve. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52360 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 21:06:12 +00:00
Evan Cheng
6bd9567a6a - Add "Commutative" property to intrinsics. This allows tblgen to generate the commuted variants for dagisel matching code. 
- Mark lots of X86 intrinsics as "Commutative" to allow load folding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52353 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 20:29:38 +00:00
Chris Lattner
e846db6675 Add a new flag that disables symbol lookup with dlsym when set. This allows 
a JIT client to completely control symbol lookup with the LazyFunctionCreator
interface.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52335 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 17:44:14 +00:00
Matthijs Kooijman
9772891219 Make the InsertBefore argument to FindInsertedValue optional, so you can find an inserted value without modifying the code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52319 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 13:28:31 +00:00
Matthijs Kooijman
0a7413dad8 Pass around Instruction* instead of Instruction& in FindInsertedValue and friends. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52318 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 13:13:08 +00:00
Matthijs Kooijman
b23d5adbc8 Move FindScalarValue from InstructionCombining.cpp to ValueTracking.cpp. While 
I'm at it, rename it to FindInsertedValue.

The only functional change is that newly created instructions are no longer
added to instcombine's worklist, but that is not really necessary anyway (and
I'll commit some improvements next that will completely remove the need).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52315 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 12:48:21 +00:00
Matthijs Kooijman
069f42a058 Add comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52313 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 12:20:05 +00:00
Duncan Sands
ad205a7687 Allow these transforms for types like i256 while 
still excluding types like i1 (not byte sized)
and i120 (loading an i120 requires loading an i64,
an i32, an i16 and an i8, which is expensive). 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52310 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 08:14:38 +00:00
Evan Cheng
58dcb0e0cd Add option to commuteInstruction() which forces it to create a new (commuted) instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52308 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 07:33:11 +00:00
Chris Lattner
0ad4d9be03 add a const version of stripPointerCasts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52305 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-16 06:43:06 +00:00
Wojciech Matyjewicz
8a08769bad Fix PR2434. When scanning for exising binary operator to reuse don't 
take into account the instrucion pointed by InsertPt. Thanks to it, 
returning the new value of InsertPt to the InsertBinop() caller can be 
avoided. The bug was, actually, in visitAddRecExpr() method which wasn't 
correctly handling changes of InsertPt. There shouldn't be any 
performance regression, as -gvn pass (run after -indvars) removes any 
redundant binops.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52291 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-15 19:07:39 +00:00
Andrew Lenharth
507a58ac9b add missing atomic intrinsic from gcc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52270 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-06-14 05:48:15 +00:00