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456 Commits

Author SHA1 Message Date
Dan Gohman
6595635175 Introduce new SelectionDAG node opcodes VEXTRACT_SUBVECTOR and 
VCONCAT_VECTORS. Use these for CopyToReg and CopyFromReg legalizing in
the case that the full register is to be split into subvectors instead
of scalars. This replaces uses of VBIT_CONVERT to present values as
vector-of-vector types in order to make whole subvectors accessible via
BUILD_VECTOR and EXTRACT_VECTOR_ELT.

This is in preparation for adding extended ValueType values, where
having vector-of-vector types is undesirable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37569 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-13 15:12:02 +00:00
Dan Gohman
575e2f4ea8 Resolve implicit alignment before computing the FoldingSet information so 
that the CSE map always contains explicit alignment information. This allows
more loads to be CSE'd when there is a mix of explicit-alignment loads and
implicit-alignment loads.

Also, in SelectionDAG::FindModifiedNodeSlot, add the operands to the
FoldingSetNodeID before the load/store information instead of after, so
that it matches what is done elsewhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37411 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-04 15:49:41 +00:00
Dan Gohman
237898ac1f Add explicit qualification for namespace MVT members. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37320 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:33:05 +00:00
Chris Lattner
964dd86054 Be more careful about folding op(x, undef) when we have vector operands. 
This fixes CodeGen/X86/2007-04-24-VectorCrash.ll


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36413 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-25 00:00:45 +00:00
Christopher Lamb
95c218a83e PR400 phase 2. Propagate attributed load/store information through DAGs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36356 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-04-22 23:15:30 +00:00
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