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3273 Commits

Author SHA1 Message Date
Chris Lattner
09321dcf5a Add a new instruction flag 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23093 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 20:31:24 +00:00
Chris Lattner
26005b1b67 Add a new version of ReplaceAllUsesWith, make the comments more useful. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23086 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 18:35:58 +00:00
Chris Lattner
5839bf2b3b Change ConstantPoolSDNode to actually hold the Constant itself instead of 
putting it into the constant pool.  This allows the isel machinery to
create constants that it will end up deciding are not needed, without them
ending up in the resultant function constant pool.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23081 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 17:15:30 +00:00
Chris Lattner
2bb06cdf27 Fix a huge annoyance: SelectNodeTo took types before the opcode unlike 
every other SD API.  Fix it to take the opcode before the types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23079 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 16:36:26 +00:00
Jim Laskey
a2860651e8 Change unsigned lng to unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23077 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-26 09:24:46 +00:00
Jim Laskey
eb0c36d173 Added cl::bits option type (bit vectors). See "Collecting options as a set 
of flags" in the Command Line doc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23067 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 23:31:45 +00:00
Chris Lattner
3cd82619a8 add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23049 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 17:24:09 +00:00
Chris Lattner
a64d4cddf5 add an enum value 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23048 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 17:07:09 +00:00
Jim Laskey
6600fa2d17 Recommended to use std::algorithms instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23046 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 16:21:56 +00:00
Jim Laskey
ab6c0a923f Added support for generic linear/binary search. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23044 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 13:32:25 +00:00
Chris Lattner
4e27d3a10c Fix a problem Duraid noticed, where we weren't removing values from the kills 
list when doing two-address and phi node lowering during register allocation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23043 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 05:45:31 +00:00
Chris Lattner
aaaaf79d4a Add support for TargetConstantPool node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23040 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 05:02:41 +00:00
Chris Lattner
afb2dd43de add a new TargetFrameIndex node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23035 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-25 00:43:01 +00:00
Chris Lattner
7651fa4a7e add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23027 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 23:00:29 +00:00
Chris Lattner
420089c47c add two new methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23024 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 22:43:53 +00:00
Chris Lattner
de6a4bc058 rename hasNativeSupportFor* -> is(Operation|Type)Legal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23011 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 16:34:59 +00:00
Misha Brukman
9e7a601eaf Wrap long lines 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23009 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 14:03:07 +00:00
Reid Spencer
ca09bd0732 Remove some tabs. 
Wrap a line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23008 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 10:57:30 +00:00
Reid Spencer
0a262ba7c3 For PR616: 
These patches make threading optional in LLVM. The configuration scripts are now
modified to accept a --disable-threads switch. If this is used, the Mutex class
will be implemented with all functions as no-op. Furthermore, linking against
libpthread will not be done. Finally, the ParallelJIT example needs libpthread
so its makefile was changed to always add -lpthread to the link line.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23003 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 10:07:20 +00:00
Chris Lattner
c44fff472c Keep the killed/dead sets sorted, so that "KillsRegister" can do a quick 
binary search to test for membership.  This speeds up LLC a bit more on KC++,
e.g. on itanium from 16.6974s to 14.8272s, PPC from 11.4926s to 10.7089s and
X86 from 10.8128s to 9.7943s, with no difference in generated code (like all
of the RA patches).

With these changes, isel is the slowest pass for PPC/X86, but linscan+live
intervals is still > 50% of the compile time for itanium.  More work could
be done, but this is the last for now.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22993 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-24 00:09:02 +00:00
Chris Lattner
e0cbf970ac Change live variables from using multimaps to using maps of vectors and 
rearrange some of the accessors to be more efficient.

This makes it much more efficient to iterate over all of the things with the
same value.  This speeds up liveintervals analysis from 8.63s to 3.79s with
a release build of llc on kc++ with -march=ia64.  This also speeds up live
var from 1.66s -> 0.87s as well, reducing total llc time from 20.1s->15.2s.

This also speeds up other targets slightly, e.g. llc time on X86 from 16.84
-> 16.45s, and PPC from 17.64->17.03s.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22990 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 23:40:41 +00:00
Chris Lattner
20647a55bf Add RegisterDefIsDead to correspond to KillsRegister, mark both const 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22987 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 22:43:24 +00:00
Chris Lattner
ef35ba4f64 add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22985 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-23 21:45:31 +00:00
Chris Lattner
4fbde4d871 add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22958 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 22:30:42 +00:00
Chris Lattner
c3aea74ae5 ADd a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22954 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 19:48:53 +00:00
Chris Lattner
d54209fcf9 Add 5-operand version of SelectNodeTo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22950 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-21 18:49:58 +00:00
Chris Lattner
f6b184981e ADd support for TargetGlobalAddress nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22939 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 22:31:34 +00:00
Chris Lattner
ae72f4a642 Add a new field to TargetInstrDescriptor for tracking information about 
operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22908 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 16:56:26 +00:00
Nate Begeman
5ce0d308e6 Add support for target nodes with more than 3 operands, required by ppc 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22894 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-19 00:56:28 +00:00
Nate Begeman
73bfa71524 Remove the X86 and PowerPC Simple instruction selectors; their time has 
passed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22886 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 23:53:15 +00:00
Chris Lattner
66bac3c740 add a method 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22867 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 18:44:33 +00:00
Nate Begeman
294a0a103d Add support for target DAG nodes that take 4 operands, such as PowerPC's 
rlwinm.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22856 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-18 07:30:15 +00:00
Jim Laskey
1043389135 include/llvm/Support/MathExtras.h 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22846 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 23:54:12 +00:00
Nate Begeman
0f66a91721 Add two new methods isTargetOpcode() which returns true if the node type 
is greater than the range of building selection dag node types, and
getTargetOpcode(), which returns the node opcode less the value of
isd::builtin_op_end, which specifies the end of the builtin types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22844 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 23:44:54 +00:00
Jim Laskey
58b968be85 Move the code dependency for MathExtras.h from SelectionDAGNodes.h. 
Added some class dividers in SelectionDAG.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22841 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 20:08:02 +00:00
Jim Laskey
3a1eff732b Move code dependency for MathExtras.h out of Constants.h. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22840 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 20:06:22 +00:00
Jim Laskey
cb6682fa44 Culling out use of unions for converting FP to bits and vice versa. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22838 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 19:34:49 +00:00
Chris Lattner
6542d95060 add ReplaceAllUsesWith, and a helper to implemented it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22833 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 18:59:17 +00:00
Chris Lattner
8c3484c518 Make removeUser more efficient, add a matching addUser. 
Fix the setOperands methods I added to update use/def information correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22832 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 18:58:38 +00:00
Jim Laskey
59b8fcfa5f Added support for converting raw bits to FP, and FP to raw bits. The intent 
is to avoid the distraction of the union declarations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22830 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 17:27:47 +00:00
Chris Lattner
c809b68357 This was moved to the .cpp file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22827 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 06:46:50 +00:00
Chris Lattner
bb20372e70 add a helper 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22823 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 06:34:37 +00:00
Chris Lattner
b467f8af41 make sure to remove a node from the use list of its operands when we replace 
it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22820 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 01:54:00 +00:00
Chris Lattner
056f9f61d0 add some helper methods, and a new TargetConstant node, which is not 
subjected to folding.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22812 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-17 00:33:30 +00:00
Chris Lattner
f7cc47cdfe remove a dead enum value, making a comment above correct again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22810 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 22:04:58 +00:00
Chris Lattner
d5d0f9bd20 Eliminate the RegSDNode class, which 3 nodes (CopyFromReg/CopyToReg/ImplicitDef) 
used to tack a register number onto the node.

Instead of doing this, make a new node, RegisterSDNode, which is a leaf
containing a register number.  These three operations just become normal
DAG nodes now, instead of requiring special handling.

Note that with this change, it is no longer correct to make illegal
CopyFromReg/CopyToReg nodes.  The legalizer will not touch them, and this
is bad, so don't do it. :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22806 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 21:55:35 +00:00
Nate Begeman
7cbd525ba8 Implement BR_CC and BRTWOWAY_CC. This allows the removal of a rather nasty 
fixme from the PowerPC backend.  Emit slightly better code for legalizing
select_cc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22805 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 19:49:35 +00:00
Chris Lattner
efe5869405 allow passing a dag into getOperationName and dump 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22803 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 18:32:18 +00:00
Chris Lattner
1b95095857 add some methods for dag->dag isel 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22800 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-16 18:16:24 +00:00
Nate Begeman
ff66368a5f Remove an unncessary argument to SimplifySelectCC and add an additional 
assert when creating a select_cc node.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22780 91177308-0d34-0410-b5e6-96231b3b80d8
 2005-08-13 06:14:17 +00:00