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469 Commits

Author SHA1 Message Date
Chris Lattner
7e8b8e7a68 eliminate some extraneous methods in SDNode 
llvm-svn: 33867
 2007-02-04 02:32:44 +00:00
Chris Lattner
f3b4a0cc95 Give each selectiondag node class a home for it's vtable and rtti info 
llvm-svn: 33866
 2007-02-04 02:23:32 +00:00
Nate Begeman
dc46021355 Finish off bug 680, allowing targets to custom lower frame and return 
address nodes.

llvm-svn: 33636
 2007-01-29 22:58:52 +00:00
Anton Korobeynikov
611d5e2eda Propagate changes from my local tree. This patch includes: 
1. New parameter attribute called 'inreg'. It has meaning "place this
parameter in registers, if possible". This is some generalization of
gcc's regparm(n) attribute. It's currently used only in X86-32 backend.
2. Completely rewritten CC handling/lowering code inside X86 backend.
Merged stdcall + c CCs and fastcall + fast CC.
3. Dropped CSRET CC. We cannot add struct return variant for each
target-specific CC (e.g. stdcall + csretcc and so on).
4. Instead of CSRET CC introduced 'sret' parameter attribute. Setting in
on first attribute has meaning 'This is hidden pointer to structure
return. Handle it gently'.
5. Fixed small bug in llvm-extract + add new feature to
FunctionExtraction pass, which relinks all internal-linkaged callees
from deleted function to external linkage. This will allow further
linking everything together.

NOTEs: 1. Documentation will be updated soon.
       2. llvm-upgrade should be improved to translate csret => sret.
          Before this, there will be some unexpected test fails.
llvm-svn: 33597
 2007-01-28 13:31:35 +00:00
Jim Laskey
64f4242072 Change the MachineDebugInfo to MachineModuleInfo to better reflect usage 
for debugging and exception handling.

llvm-svn: 33550
 2007-01-26 21:22:28 +00:00
Jim Laskey
23ed7d2625 Make LABEL a builtin opcode. 
llvm-svn: 33537
 2007-01-26 14:34:52 +00:00
Evan Cheng
70700ba459 Typo. 
llvm-svn: 32628
 2006-12-16 06:21:55 +00:00
Evan Cheng
89ee587963 Rename ISD::MemOpAddrMode to ISD::MemIndexedMode 
llvm-svn: 31595
 2006-11-09 17:55:04 +00:00
Evan Cheng
047a33d3e3 Fix comments. 
llvm-svn: 31414
 2006-11-03 07:31:32 +00:00
Evan Cheng
b19289a84d Add isPredecessor to check whether a node is another's predecessor. 
llvm-svn: 31406
 2006-11-03 03:02:18 +00:00
Evan Cheng
7437ed9f30 Added a new SDNode type: BR_JT for jumptable branch. 
llvm-svn: 31292
 2006-10-30 07:59:36 +00:00
Jim Laskey
f5452dfa52 Editorial clean up. 
llvm-svn: 31250
 2006-10-28 01:34:21 +00:00
Jim Laskey
ef56bc9680 Switch over from SelectionNodeCSEMap to FoldingSet. 
llvm-svn: 31240
 2006-10-27 23:46:08 +00:00
Evan Cheng
d2d6b83b83 Indexed load / store changes. 
llvm-svn: 31208
 2006-10-26 21:52:24 +00:00
Evan Cheng
582d22a821 Split PRE_INDEXED to PRE_INC / PRE_DEC and similarly for POST_INDEXED. 
llvm-svn: 31015
 2006-10-17 21:12:56 +00:00
Evan Cheng
fe5bb5dbe6 Merge ISD::TRUNCSTORE to ISD::STORE. Switch to using StoreSDNode. 
llvm-svn: 30945
 2006-10-13 21:14:26 +00:00
Evan Cheng
9b31a4d4ed Naming consistency. 
llvm-svn: 30878
 2006-10-11 07:10:22 +00:00
Andrew Lenharth
4b783303e5 Jimptables working again on alpha. 
As a bonus, use the GOT node instead of the AlphaISD::GOT for internal stuff.

llvm-svn: 30873
 2006-10-11 04:29:42 +00:00
Evan Cheng
8090a67f40 Comments; getChain(), getBasePtr(), etc. should return a SDOperand by value. 
llvm-svn: 30850
 2006-10-10 01:44:58 +00:00
Evan Cheng
967d6af1d2 Merging ISD::LOAD and ISD::LOADX. Added LoadSDNode to represent load nodes. 
Chain and address ptr remains as operands. SrcValue, extending mode, extending
VT (or rather loaded VT before extension) are now instance variables of
LoadSDNode.

Introduce load / store addressing modes to represent pre- and post-indexed
load and store. Also added an additional operand offset that is only used in
post-indexed mode (i.e. base ptr += offset after load/store).

Added alignment info (not yet used) and isVolatile fields.

llvm-svn: 30843
 2006-10-09 20:55:20 +00:00
Evan Cheng
494e8e6971 Combine ISD::EXTLOAD, ISD::SEXTLOAD, ISD::ZEXTLOAD into ISD::LOADX. Add an 
extra operand to LOADX to specify the exact value extension type.

llvm-svn: 30714
 2006-10-04 00:56:09 +00:00
Andrew Lenharth
58f5a24f0c Add support for other relocation bases to jump tables, as well as custom asm directives 
llvm-svn: 30593
 2006-09-24 19:45:58 +00:00
Evan Cheng
b25fd42e43 The top bit is used to determine whether it's a MachineConstantPoolValue. 
llvm-svn: 30324
 2006-09-14 07:30:48 +00:00
Evan Cheng
499d77553a Added support for machine specific constantpool values. These are useful for 
representing expressions that can only be resolved at link time, etc.

llvm-svn: 30278
 2006-09-12 21:00:35 +00:00
Chris Lattner
7005757ced Implement new fpowi node 
llvm-svn: 30223
 2006-09-09 05:55:44 +00:00
Evan Cheng
6e08e7035f 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.

llvm-svn: 29905
 2006-08-27 08:08:54 +00:00
Chris Lattner
c1654416d6 Change the use_list to be a smallvector instead of a vector. This reduces 
isel time from 6.79s to 5.53s (22%) on kc++ with a release build on ppc.
Go smallvector! :)

llvm-svn: 29731
 2006-08-16 21:01:10 +00:00
Chris Lattner
cb3adb8225 Start using SDVTList more consistently 
llvm-svn: 29711
 2006-08-15 19:11:05 +00:00
Chris Lattner
8e8d9a3358 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.

llvm-svn: 29685
 2006-08-14 23:31:51 +00:00
Chris Lattner
fe1fd00ce8 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 :)

llvm-svn: 29675
 2006-08-14 22:19:25 +00:00
Chris Lattner
be2fc7b875 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%.

llvm-svn: 29561
 2006-08-08 01:09:31 +00:00
Chris Lattner
1661ffa2eb 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.

llvm-svn: 29550
 2006-08-07 23:03:03 +00:00
Evan Cheng
a8e15977aa Remove NodeDepth; Add NodeId which is a unique id per node per DAG. It can only be set by SelectionDAG. 
llvm-svn: 29336
 2006-07-27 06:38:21 +00:00
Chris Lattner
3415e20ae6 Add an out-of-line virtual method for the sdnode class to give it a home. 
llvm-svn: 29192
 2006-07-19 00:00:37 +00:00
Chris Lattner
990b00b325 Add a new sentry node type, allowing assertions to catch trivial 
use-after-deleted errors.

llvm-svn: 28513
 2006-05-27 00:40:15 +00:00
Evan Cheng
f53c4cc192 Change RET node to include signness information of the return values. e.g. 
RET chain, value1, sign1, value2, sign2

llvm-svn: 28509
 2006-05-26 23:09:09 +00:00
Evan Cheng
5d83c6ad6a CALL node change: now containing signness of each argument. 
llvm-svn: 28460
 2006-05-25 00:54:33 +00:00
Chris Lattner
5d949a2ad2 Add a new CALL node. 
llvm-svn: 28337
 2006-05-16 22:52:27 +00:00
Chris Lattner
f88654d468 Add a chain to FORMAL_ARGUMENTS. 
llvm-svn: 28319
 2006-05-16 06:43:59 +00:00
Nate Begeman
7ed816f900 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.

llvm-svn: 27947
 2006-04-22 18:53:45 +00:00
Reid Spencer
553050adcb Make sure both member variables are initialized in the default constructor 
for SDOperand. This gets rid of numerous warnings in lib/CodeGen and
lib/Target when compiled with GCC 4.0.2

llvm-svn: 27607
 2006-04-12 16:44:15 +00:00
Chris Lattner
bf69078515 new dag node 
llvm-svn: 27596
 2006-04-11 21:30:42 +00:00
Chris Lattner
a4a7e59c52 Add a new VSELECT node. 
llvm-svn: 27541
 2006-04-08 22:16:01 +00:00
Chris Lattner
99a3213376 simplify this method 
llvm-svn: 27338
 2006-04-02 02:28:52 +00:00
Chris Lattner
83ec289ebf Add a new node 
llvm-svn: 27230
 2006-03-28 19:54:11 +00:00
Chris Lattner
a0f80c3c3f Tblgen doesn't like multiple SDNode<> definitions that map to the same 
enum value.  Split them into separate enums.

llvm-svn: 27199
 2006-03-28 00:39:06 +00:00
Evan Cheng
4667bd17cb Change isBuildVectorAllOnesInteger to isBuildVectorAllOnes. Also check for 
floating point cases.

llvm-svn: 27165
 2006-03-27 06:58:47 +00:00
Evan Cheng
ef3b33b847 Add ISD::isBuildVectorAllZeros predicate 
llvm-svn: 27147
 2006-03-26 09:50:58 +00:00
Chris Lattner
91fe1d4b55 Add a predicate 
llvm-svn: 27129
 2006-03-25 22:56:35 +00:00
Chris Lattner
7c4160da23 add a new intrinsic node 
llvm-svn: 27019
 2006-03-24 01:03:55 +00:00