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6ddf8ed6fe
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1243 Commits

Author SHA1 Message Date
Chris Lattner
6ddf8ed6fe Implement the fpowi now by lowering to a libcall 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30225 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 06:03:30 +00:00
Chris Lattner
f3f333dbd6 Allow targets to custom lower expanded BIT_CONVERT's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30217 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-09 00:20:27 +00:00
Chris Lattner
d5e93c0795 Fix CodeGen/Generic/2006-09-06-SwitchLowering.ll, a bug where SDIsel inserted 
too many phi operands when lowering a switch to branches in some cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30142 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-07 01:59:34 +00:00
Chris Lattner
7acf5f39fe Change the default to 0, which means 'default'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30114 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-05 17:39:15 +00:00
Chris Lattner
09e460662a Completely eliminate def&use operands. Now a register operand is EITHER a 
def operand or a use operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30109 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-05 02:31:13 +00:00
Duraid Madina
0c9e0ff249 forgot this 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30097 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-04 07:44:11 +00:00
Evan Cheng
3f4fd0fd64 Allow legalizer to expand ISD::MUL using only MULHS in the rare case that is 
possible and the target only supports MULHS.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30022 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-01 18:17:58 +00:00
Evan Cheng
dfcfacb0cb DAG combiner fix for rotates. Previously the outer-most condition checks 
for ROTL availability. This prevents it from forming ROTR for targets that
has ROTR only.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29997 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-31 07:41:12 +00:00
Evan Cheng
1efba0ecb4 Move isCommutativeBinOp from SelectionDAG.cpp and DAGCombiner.cpp out. Make it a static method of SelectionDAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29951 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-29 06:42:35 +00:00
Chris Lattner
a4f0b3a084 s|llvm/Support/Visibility.h|llvm/Support/Compiler.h| 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29911 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 12:54:02 +00:00
Evan Cheng
694481ee01 Eliminate SelectNodeTo() and getTargetNode() variants which take more than 
3 SDOperand operands. They are replaced by versions which take an array
of SDOperand and the number of operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29905 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-27 08:08:54 +00:00
Evan Cheng
95514bae73 SelectNodeTo now returns a SDNode*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29901 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-26 08:00:10 +00:00
Chris Lattner
f921a51891 Fix PR861 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29796 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-21 20:24:53 +00:00
Chris Lattner
228a18e0f2 switch the SUnit pred/succ sets from being std::sets to being smallvectors. 
This reduces selectiondag time on kc++ from 5.43s to 4.98s (9%).  More
significantly, this speeds up the default ppc scheduler from ~1571ms to 1063ms,
a 33% speedup.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29743 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-17 00:09:56 +00:00
Chris Lattner
be384162c6 minor changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29740 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-16 22:57:46 +00:00
Chris Lattner
f83482dcad Use the appropriate typedef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29730 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-16 20:59:32 +00:00
Chris Lattner
0b3e525a3a Start using SDVTList more consistently 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29711 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-15 19:11:05 +00:00
Chris Lattner
70046e920f add a new SDVTList type and new SelectionDAG::getVTList methods to streamline 
the creation of canonical VTLists.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29709 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-15 17:46:01 +00:00
Chris Lattner
f9f37fc52c eliminate use of getNode that takes vector of valuetypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29687 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-14 23:53:35 +00:00
Chris Lattner
2fa6d3b1fc Add a new getNode() method that takes a pointer to an already-intern'd list 
of value-type nodes.  This avoids having to do mallocs for std::vectors of
valuetypes when a node returns more than one type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29685 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-14 23:31:51 +00:00
Chris Lattner
e51ee04c3d remove SelectionDAG::InsertISelMapEntry, it is dead 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29677 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-14 22:24:39 +00:00
Chris Lattner
213a16c637 Add code to resize the CSEMap hash table. This doesn't speedup codegen of 
kimwitu, but seems like a good idea from a "avoid performance cliffs" standpoint :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29675 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-14 22:19:25 +00:00
Chris Lattner
130fc13506 Add the actual constant to the hash for ConstantPool nodes. Thanks to 
Rafael Espindola for pointing this out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29669 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-14 20:12:44 +00:00
Chris Lattner
dd28900168 Switch to using SuperFastHash instead of adding all elements together. This 
doesn't significantly improve performance but it helps a small amount.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29642 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-12 01:07:10 +00:00
Chris Lattner
7ed9ea81f8 Switch NodeID to track 32-bit chunks instead of 8-bit chunks, for a 2.5% 
speedup in isel time.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29640 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 23:55:53 +00:00
Chris Lattner
c9f8f41680 Remove 8 more std::map's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29631 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 21:55:30 +00:00
Chris Lattner
61b09412fe Move the BBNodes, GlobalValues, TargetGlobalValues, Constants, TargetConstants, 
RegNodes, and ValueNodes maps into the CSEMap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29626 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 21:01:22 +00:00
Chris Lattner
4a283e90af eliminate the NullaryOps map, use CSEMap instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29621 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 18:38:11 +00:00
Chris Lattner
3577e38c2b change internal impl of dag combiner so that calls to CombineTo never have to 
make a temporary vector.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29618 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 17:56:38 +00:00
Chris Lattner
b9ea4a39b8 Change one ReplaceAllUsesWith method to take an array of operands to replace 
instead of a vector of operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29616 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-11 17:46:28 +00:00
Chris Lattner
bd564bfc63 Start eliminating temporary vectors used to create DAG nodes. Instead, pass 
in the start of an array and a count of operands where applicable.  In many
cases, the number of operands is known, so this static array can be allocated
on the stack, avoiding the heap.  In many other cases, a SmallVector can be
used, which has the same benefit in the common cases.

I updated a lot of code calling getNode that takes a vector, but ran out of
time.  The rest of the code should be updated, and these methods should be
removed.

We should also do the same thing to eliminate the methods that take a
vector of MVT::ValueTypes.

It would be extra nice to convert the dagiselemitter to avoid creating vectors
for operands when calling getTargetNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29566 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-08 02:23:42 +00:00
Chris Lattner
f06f35e30b Eliminate some malloc traffic by allocating vectors on the stack. Change some 
method that took std::vector<SDOperand> to take a pointer to a first operand
and #operands.

This speeds up isel on kc++ by about 3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29561 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-08 01:09:31 +00:00
Chris Lattner
a5682853b9 Revamp the "CSEMap" datastructure used in the SelectionDAG class. This 
eliminates a bunch of std::map's in the SelectionDAG, replacing them with a
home-grown hashtable.

This is still a work in progress: not all the maps have been moved over and the
hashtable never resizes.  That said, this still speeds up llc 20% on kimwitu++
with -fast -regalloc=local using a release build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29550 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-07 23:03:03 +00:00
Evan Cheng
99157a00a6 Clear TopOrder before assigning topological order. Some clean ups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29546 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-07 22:13:29 +00:00
Evan Cheng
3b97acdbdb Reverse the FlaggedNodes after scanning up for flagged preds or else the order would be reversed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29545 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-07 22:12:12 +00:00
Chris Lattner
190a418bf6 Make SelectionDAG::RemoveDeadNodes iterative instead of recursive, which 
also make it simpler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29524 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-04 17:45:20 +00:00
Jim Laskey
f492391de0 Copy the liveins for the first block. PR859 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29511 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-03 20:51:06 +00:00
Chris Lattner
3700f90c19 Work around a GCC 3.3.5 bug noticed by a user. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29490 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-03 00:18:59 +00:00
Evan Cheng
c384d6c398 - Change AssignTopologicalOrder to return vector of SDNode* by reference. 
- Tweak implementation to avoid using std::map.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29479 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-02 22:00:34 +00:00
Jim Laskey
eb577ba3b8 Final polish on machine pass registries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29471 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-02 12:30:23 +00:00
Jim Laskey
9373beba60 Now that the ISel is available, it's possible to create a default instruction 
scheduler creator.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29452 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-01 19:14:14 +00:00
Jim Laskey
9ff542f2cc 1. Change use of "Cache" to "Default". 
2. Added argument to instruction scheduler creators so the creators can do
special things.
3. Repaired target hazard code.
4. Misc.

More to follow.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29450 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-01 18:29:48 +00:00
Jim Laskey
13ec702c43 Introducing plugable register allocators and instruction schedulers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29434 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-01 14:21:23 +00:00
Evan Cheng
e6f35d8a5c Added AssignTopologicalOrder() to assign each node an unique id based on their topological order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29431 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-01 08:20:41 +00:00
Evan Cheng
8825a485e2 PIC jump table entries are always 32-bit even in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29422 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-08-01 01:03:13 +00:00
Evan Cheng
2641cad180 Remove InFlightSet hack. No longer needed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29373 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-28 00:47:19 +00:00
Nate Begeman
4d9bbdc440 Code cleanups, per review 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29347 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-27 16:46:58 +00:00
Evan Cheng
7c16d776cb AssignNodeIds should return unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29343 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-27 07:36:47 +00:00
Evan Cheng
091cba1b91 AssignNodeIds assign each node in the DAG an unique id. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29337 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-27 06:39:06 +00:00
Nate Begeman
2f1ae88445 Support jump tables when in PIC relocation model 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29318 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-27 01:13:04 +00:00