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501 Commits

Author SHA1 Message Date
Lauro Ramos Venancio
2c5c111b6c X86 TLS: Implement review feedback. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36318 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 20:56:26 +00:00
Reid Spencer
c67bdc288a Revert Christopher Lamb's load/store alignment changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 18:36:27 +00:00
Christopher Lamb
2330e4d4c4 add support for alignment attributes on load/store instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36301 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-21 08:16:25 +00:00
Lauro Ramos Venancio
b3a0417cad Implement "general dynamic", "initial exec" and "local exec" TLS models for 
X86 32 bits.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36283 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-20 21:38:10 +00:00
Chris Lattner
4829b1c6ab fold noop vbitconvert instructions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35943 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-12 05:58:43 +00:00
Chris Lattner
ff33cc4d08 add some assertions 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35800 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-09 05:23:13 +00:00
Reid Spencer
577cc32d9a For PR1297: 
Change getOperationName to return std::string instead of const char*


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35545 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-01 07:32:19 +00:00
Dale Johannesen
2041a0ef75 Fix incorrect combination of different loads. Reenable zext-over-truncate 
combination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35517 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-30 21:38:07 +00:00
Chris Lattner
b654176cb4 fold away addc nodes when we know there cannot be a carry-out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34913 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-04 20:40:38 +00:00
Chris Lattner
175415e116 eliminate some ops if they have an undef RHS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34908 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-03-04 20:01:46 +00:00
Chris Lattner
753d9cb50e fold trivial token factor nodes. This allows us to compile 
test/CodeGen/X86/fp-stack-ret.ll into:

        movl 4(%esp), %eax
        fldl (%eax)
        ret

instead of:

        subl $12, %esp
        movl 16(%esp), %eax
        movsd (%eax), %xmm0
        movsd %xmm0, (%esp)
        fldl (%esp)
        addl $12, %esp
        ret

by eliminating a token factor that blocked a check.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34584 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-25 08:24:27 +00:00
Jim Laskey
b180aa1753 Selection and lowering for exception handling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34481 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-21 22:53:45 +00:00
Chris Lattner
3f97eb449b Introduce new UnarySDNode/BinarySDNode/TernarySDNode nodes, which coallocate 
their operands with the node itself.  This reduces malloc traffic for operand
lists.  This reduces isel time on kc++ from 2.6164 to 2.5570s, about 2.3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33878 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 08:35:21 +00:00
Chris Lattner
ab4ed59538 eliminate the SDNode::setValueTypes method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33876 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 07:37:24 +00:00
Chris Lattner
63e3f14df6 eliminate a bunch of duplicate ctors and helper functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33875 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 07:28:00 +00:00
Chris Lattner
d429bcd4ac move MorphNode to out of line and merge setNodeOperands into it. There is 
no behavior or performance change here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33869 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:49:29 +00:00
Chris Lattner
48b8592652 simplify MorphNodeTo to take a VTList operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33868 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:41:42 +00:00
Chris Lattner
67612a1188 eliminate some extraneous methods in SDNode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33867 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:32:44 +00:00
Chris Lattner
c76e3c8602 Give each selectiondag node class a home for it's vtable and rtti info 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33866 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 02:23:32 +00:00
Chris Lattner
d48c5e871a Eliminate some std::sets. This speeds up isel of kimwitu by about 0.9% 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33852 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 00:24:41 +00:00
Chris Lattner
cf5640bd52 Switch SelectionDAG::ReplaceAllUsesOfValueWith to use a SmallSetVector for 
the users set (most nodes have 1 or 2 users).  This speeds up the isel pass
3.2% on kimwitu.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33849 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-04 00:14:31 +00:00
Chris Lattner
fea997aac5 Fit in 80 columns 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33745 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-02-01 04:55:59 +00:00
Nate Begeman
bcc5f36765 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33636 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-29 22:58:52 +00:00
Jim Laskey
1ee2925742 Make LABEL a builtin opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33537 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-01-26 14:34:52 +00:00
Bill Wendling
bcd2498f4f Removed more <iostream> includes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32321 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-07 20:28:15 +00:00
Bill Wendling
832171cb97 Removing even more <iostream> includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32320 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-07 20:04:42 +00:00
Jeff Cohen
97af751deb Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32113 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-12-02 02:22:01 +00:00
Evan Cheng
cc47021f49 Fix an incorrectly inverted condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31773 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-16 00:08:20 +00:00
Reid Spencer
a07d5b9164 Make an assert comment match the tested assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31686 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-11 20:07:59 +00:00
Evan Cheng
144d8f09e1 Rename ISD::MemOpAddrMode to ISD::MemIndexedMode 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31595 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-09 17:55:04 +00:00
Jim Laskey
d6c3422e31 Remove redundant <cmath>. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31561 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-08 19:16:44 +00:00
Jeff Cohen
d41b30def3 Unbreak VC++ build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31464 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 19:31:28 +00:00
Evan Cheng
9109fb1eb7 Added getIndexedStore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31458 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-05 09:30:09 +00:00
Evan Cheng
e6e97e66a3 Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31414 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 07:31:32 +00:00
Evan Cheng
c5fc57dcae Added isPredecessor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31409 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 03:05:24 +00:00
Chris Lattner
02cb49ee67 silence warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31397 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-03 01:28:29 +00:00
Reid Spencer
3ed469ccd7 For PR786: 
Turn on -Wunused and -Wno-unused-parameter. Clean up most of the resulting
fall out by removing unused variables. Remaining warnings have to do with
unused functions (I didn't want to delete code without review) and unused
variables in generated code. Maintainers should clean up the remaining
issues when they see them. All changes pass DejaGnu tests and Olden.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31380 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-02 20:25:50 +00:00
Evan Cheng
6cc31ae4da Print jumptable index. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31340 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-11-01 04:48:30 +00:00
Evan Cheng
c41cd9c391 Added a new SDNode type: BR_JT for jumptable branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31292 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-30 07:59:36 +00:00
Evan Cheng
ba726ab3ec VLOAD is not the LoadSDNode opcode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31276 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 06:14:47 +00:00
Nick Lewycky
f6aaaaa39e Remove spurious case. EXTLOAD is not one of the node opcodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31275 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-29 02:26:30 +00:00
Jim Laskey
1c6f01aaa5 Load and stores have not been uniqued properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31261 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 17:25:28 +00:00
Chris Lattner
6fb6ef4d65 Fix a serious bug that caused any x86 vector stuff to infinite loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31254 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-28 06:15:26 +00:00
Jim Laskey
def69b92e7 Clean up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31243 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 23:52:51 +00:00
Jim Laskey
583bd47f77 Switch over from SelectionNodeCSEMap to FoldingSet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31240 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-27 23:46:08 +00:00
Evan Cheng
5270cf1b77 getPreIndexedLoad -> getIndexedLoad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31209 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-26 21:53:40 +00:00
Chris Lattner
b360729873 Trivial patch to speed up legalizing common i64 constants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31020 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-17 21:47:13 +00:00
Evan Cheng
2cacccae19 Reflect MemOpAddrMode change; added a helper to create pre-indexed load. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31016 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-17 21:14:32 +00:00
Jim Laskey
26f7fa7bba Make it simplier to dump DAGs while in DAGCombiner. Remove a nasty optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31009 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-17 19:33:52 +00:00
Chris Lattner
51dabfb283 When SimplifySetCC was moved to the DAGCombiner, it was never removed from 
SelectionDAG and it has since bitrotted.  Remove the copy from SelectionDAG.
Next, remove the constant folding piece of DAGCombiner::SimplifySetCC into
a new FoldSetCC method which can be used by getNode() and SimplifySetCC.

This fixes obscure bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30952 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-14 00:41:01 +00:00
Chris Lattner
dc78cbf457 Fix a bug where we incorrectly turned '(X & 0) == 0' into '(X & 0) >> -1', 
which is undefined.  "0" isn't a power of 2.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-13 22:46:18 +00:00
Evan Cheng
8b2794aeff Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30945 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-13 21:14:26 +00:00
Evan Cheng
130a6471b9 Add RemoveDeadNode to remove a dead node and its (potentially) dead operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30916 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-12 20:34:05 +00:00
Evan Cheng
2e49f090f9 Naming consistency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30878 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-11 07:10:22 +00:00
Andrew Lenharth
82c3d8f81a Jimptables working again on alpha. 
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30873 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-11 04:29:42 +00:00
Evan Cheng
9629abac79 FindModifiedNodeSlot needs to add LoadSDNode ivars to create proper SelectionDAGCSEMap ID. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30866 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-11 01:47:58 +00:00
Evan Cheng
0ac1c6ad9a SDNode::dump should also print out extension type and VT. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30860 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-10 20:05:10 +00:00
Evan Cheng
466685d41a Reflects ISD::LOAD / ISD::LOADX / LoadSDNode changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30844 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-09 20:57:25 +00:00
Evan Cheng
ad071e1cd1 Add getStore() helper function to create ISD::STORE nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30758 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-05 22:57:11 +00:00
Evan Cheng
c548428c5d Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30714 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-10-04 00:56:09 +00:00
Andrew Lenharth
16113431e8 Comments on JumpTableness 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30615 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-26 20:02:30 +00:00
Chris Lattner
863ac769b8 Fold extract_element(cst) to cst 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30478 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-19 05:02:39 +00:00
Chris Lattner
5c6621c3bc Minor speedup for legalize by avoiding some malloc traffic 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30477 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-19 04:51:23 +00:00
Evan Cheng
d6594ae54c Added support for machine specific constantpool values. These are useful for 
representing expressions that can only be resolved at link time, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30278 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-09-12 21:00:35 +00:00
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
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
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
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
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
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
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
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
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
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
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
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
Chris Lattner
917d2c9dc2 Add an out-of-line virtual method for the sdnode class to give it a home. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29192 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-07-19 00:00:37 +00:00
Evan Cheng
322812e603 Ugly hack! Add helper functions InsertInFlightSetEntry and 
RemoveInFlightSetEntry. They are used in place of direct set operators to
reduce instruction selection function stack size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28987 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-29 23:57:05 +00:00
Chris Lattner
883a52de66 Fix CodeGen/Generic/2006-06-28-SimplifySetCCCrash.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28965 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-06-28 18:29:47 +00:00
Chris Lattner
f4ec817299 Add a new ISD::CALL node, make the default impl of TargetLowering::LowerCallTo 
produce it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28338 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-16 22:53:20 +00:00
Chris Lattner
f1343c1b79 remove dead vars 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28254 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-12 18:04:28 +00:00
Chris Lattner
e41102bb61 Compile: 
%tmp152 = setgt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %tmp159 = setlt uint %tmp144, %tmp149           ; <bool> [#uses=1]
        %bothcond2 = or bool %tmp152, %tmp159           ; <bool> [#uses=1]

To setne, not setune, which causes an assertion fault.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28244 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-12 17:03:46 +00:00
Chris Lattner
2cfd6746ae Fold shifts with undef operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28167 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-08 17:29:49 +00:00
Chris Lattner
b9ebacdb4d constant fold sign_extend_inreg 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28151 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-05-06 23:05:41 +00:00
Chris Lattner
a83385fb7b Fix Regression/CodeGen/Generic/2006-04-26-SetCCAnd.ll and 
PR748.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27987 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-27 05:01:07 +00:00
Nate Begeman
37efe67645 JumpTable support! What this represents is working asm and jit support for 
x86 and ppc for 100% dense switch statements when relocations are non-PIC.
This support will be extended and enhanced in the coming days to support
PIC, and less dense forms of jump tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27947 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-22 18:53:45 +00:00
Chris Lattner
62b5772959 Implement folding of a bunch of binops with undef 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27863 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-20 05:39:12 +00:00
Chris Lattner
547a16f273 Make these predicates return true for bit_convert(buildvector)'s as well as 
buildvectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27723 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-15 23:38:00 +00:00
Chris Lattner
fdfded5588 Implement support for the formal_arguments node. To get this, targets shouldcustom legalize it and remove their XXXTargetLowering::LowerArguments overload 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27604 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 16:20:43 +00:00
Chris Lattner
9d956250f5 Don't memoize vloads in the load map! Don't memoize them anywhere here, let 
getNode do it.  This fixes CodeGen/Generic/2006-04-11-vecload.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27602 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-12 03:25:41 +00:00
Chris Lattner
b22e35a3c3 Add code generator support for VSELECT 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27542 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-08 22:22:57 +00:00
Chris Lattner
08da55eeff Constant fold bitconvert(undef) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27391 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-04 01:02:22 +00:00
Chris Lattner
5e08a11039 These entries already exist 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27340 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 02:51:27 +00:00
Chris Lattner
97d23335ad Add some missing node names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27339 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-04-02 02:41:18 +00:00
Chris Lattner
70c2a61e0a Significantly improve handling of vectors that are live across basic blocks, 
handling cases where the vector elements need promotion, expansion, and when
the vector type itself needs to be decimated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27278 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-31 02:06:56 +00:00
Chris Lattner
354cde9a7e new node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27231 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-28 19:54:42 +00:00
Chris Lattner
f35b29765b Add an assertion 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27228 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-28 19:04:49 +00:00
Chris Lattner
48b61a729d Tblgen doesn't like multiple SDNode<> definitions that map to the sameenum value. Split them into separate enums. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27201 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-28 00:40:33 +00:00
Chris Lattner
401ec7f6a9 Unbreak the build on non-apple compilers :-( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27173 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-27 16:10:59 +00:00
Evan Cheng
23cc8708c3 Try again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27171 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-27 08:10:26 +00:00
Evan Cheng
f48b50a7ef Incorrect check for FP all one's 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27169 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-27 07:26:17 +00:00
Evan Cheng
a8df166fbe Change isBuildVectorAllOnesInteger to isBuildVectorAllOnes. Also check for 
floating point cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27165 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-27 06:58:47 +00:00
Chris Lattner
70a248d284 Instead of printing "INTRINSIC" on intrinsic node, print the intrinsic name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27164 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-27 06:45:25 +00:00
Evan Cheng
4a147842eb Add ISD::isBuildVectorAllZeros predicate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27147 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-26 09:50:58 +00:00
Chris Lattner
452e8354d5 Fix a bug in ISD::isBuildVectorAllOnesInteger that caused it to always return 
false


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27131 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-25 22:59:28 +00:00
Chris Lattner
61d4399dfc Implement the ISD::isBuildVectorAllOnesInteger predicate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27130 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-25 22:57:01 +00:00
Chris Lattner
e8a30fdf51 fix some bogus assertions: noop bitconverts are legal 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27032 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-24 02:20:47 +00:00
Chris Lattner
3e8f3ce8f6 Identify the INTRINSIC node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27020 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-24 01:04:30 +00:00
Chris Lattner
e25ca692c0 Implement simple support for vector casting. This can currently only handle 
casts between legal vector types.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26961 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-22 20:09:35 +00:00
Chris Lattner
384504cea6 add some trivial support for extractelement. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26928 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 20:44:12 +00:00
Chris Lattner
1c6191ffe7 Add a hacky workaround for crashes due to vectors live across blocks. 
Note that this code won't work for vectors that aren't legal on the
target.  Improvements coming.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26925 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-21 19:20:37 +00:00
Chris Lattner
fb194b9e73 Add very basic support for VECTOR_SHUFFLE 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26880 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 23:56:04 +00:00
Chris Lattner
ce87215131 Add SCALAR_TO_VECTOR support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26866 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 06:31:19 +00:00
Chris Lattner
b2827b0901 Rename ConstantVec -> BUILD_VECTOR and VConstant -> VBUILD_VECTOR. Allow*BUILD_VECTOR to take variable inputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26847 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-19 00:52:58 +00:00
Chris Lattner
c7029805ef Change the structure of lowering vector stuff. Note: This breaks some 
things.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26840 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-18 01:44:44 +00:00
Chris Lattner
0c486bdc22 add a couple enum values 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26830 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-17 19:53:59 +00:00
Nate Begeman
81e8097377 Remove BRTWOWAY* 
Make the PPC backend not dependent on BRTWOWAY_CC and make the branch
selector smarter about the code it generates, fixing a case in the
readme.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26814 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-17 01:40:33 +00:00
Chris Lattner
28b5b1c7b5 add support for vector->vector casts 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26788 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-15 22:19:46 +00:00
Chris Lattner
3c232c83be Don't depend on the C99 copysign function, implement it ourselves. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26566 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 23:57:58 +00:00
Jeff Cohen
3d68e15c20 Fix VC++ compilation error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26554 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 21:43:37 +00:00
Chris Lattner
12d830346b Add some simple copysign folds 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26543 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 05:30:57 +00:00
Chris Lattner
a09f848c11 Codegen copysign[f] into a FCOPYSIGN node 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26542 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-05 05:09:38 +00:00
Evan Cheng
bfa284f697 SDOperand::isOperand should not be a forwarding. It must check *this against N's operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26502 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 06:42:32 +00:00
Evan Cheng
80d8eaae05 Added isOperand(N): true if this is an operand of N 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26501 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 06:24:54 +00:00
Chris Lattner
41edaa0529 remove the read/write port/io intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26479 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-03 00:19:58 +00:00
Evan Cheng
1ab7d859cf - Added VConstant as an abstract version of ConstantVec. 
- All abstrct vector nodes must have # of elements and element type as their
first two operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26432 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-03-01 00:51:13 +00:00
Evan Cheng
38b7327ec0 Print ConstantPoolSDNode offset field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26381 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-26 08:36:57 +00:00
Evan Cheng
404cb4f9fa Added an offset field to ConstantPoolSDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26371 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-25 09:54:52 +00:00
Nate Begeman
b0d04a7dea Add checks to make sure we don't create bogus extend nodes, and fix a bug 
where we were doing exactly that which was causing failures on x86 and
alpha.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26284 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-18 02:40:58 +00:00
Chris Lattner
012f241987 Fix a tricky issue in the SimplifyDemandedBits code where CombineTo wasn't 
exactly the API we wanted to call into.  This fixes the crash on crafty last
night.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26269 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 21:58:01 +00:00
Nate Begeman
551bf3f800 kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC 
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26255 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-17 05:43:56 +00:00
Evan Cheng
fae9f1cb34 Added SelectionDAG::InsertISelMapEntry(). This is used to workaround the gcc 
problem where it inline the map insertion call too aggressively. Before this
change it was producing a frame size of 24k for Select_store(), now it's down
to 10k (by calling this method rather than calling the map insertion operator).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26094 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 22:11:03 +00:00
Evan Cheng
6ae46c4c87 More changes to reduce frame size. 
Move all getTargetNode() out of SelectionDAG.h into SelectionDAG.cpp. This
prevents them from being inlined.
Change getTargetNode() so they return SDNode * instead of SDOperand to prevent
copying. It should also help compilation speed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@26083 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-09 07:15:23 +00:00
Evan Cheng
4ee6211258 * Added SDNode::isOnlyUse(). 
* Fix hasNUsesOfValue(), it should be const.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25990 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-05 06:29:23 +00:00
Chris Lattner
eefae25034 remove dead fn 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25935 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 06:51:34 +00:00
Evan Cheng
9fda2f9106 Added case HANDLENODE to getOperationName(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25920 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-02-03 01:33:01 +00:00