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49 Commits

Author SHA1 Message Date
Tanya Lattner
89860151b9 Moved index into BB to common graph class because its needed by ModuloSchedGraph. 
llvm-svn: 8174
 2003-08-28 15:30:40 +00:00
Tanya Lattner
9af699b885 *** empty log message *** 
llvm-svn: 8153
 2003-08-27 02:42:58 +00:00
Tanya Lattner
cc85d4544f First version of SchedGraph common class and refactoring of SchedGraph. 
llvm-svn: 8148
 2003-08-25 22:42:20 +00:00
Vikram S. Adve
fa1dde06aa A def. operand of a machine instruction may be an ordinary Value*, 
not just an Instruction*, at least in one unfortunate case:
the first operand to the va_arg instruction.
Modify ValueToDefVecMap to map from Value*, not Instruction*.

llvm-svn: 7052
 2003-07-02 01:16:01 +00:00
Vikram S. Adve
465f9b6738 Changes to allow explicit physical register arguments that have been 
preallocated.  While reg-to-reg dependences were already handled, this
change required new code for adding edges to/from call instructions.
This was part of the extensive changes to the way code generation occurs
for function call arguments and return values.
See log for CodeGen/PhyRegAlloc.cpp.

llvm-svn: 6467
 2003-05-31 07:37:05 +00:00
Vikram S. Adve
7366fa1aa6 (1) Added special register class containing (for now) %fsr. 
Fixed spilling of %fcc[0-3] which are part of %fsr.

(2) Moved some machine-independent reg-class code to class TargetRegInfo
    from SparcReg{Class,}Info.

(3) Renamed MachienOperand::opIsDef to MachineOperand::opIsDefOnly()
    and related functions and flags.  Fixed several bugs where only
    "isDef" was being checked, not "isDefAndUse".

llvm-svn: 6341
 2003-05-27 00:05:23 +00:00
Misha Brukman
7ca74ef252 Cleaned up code layout. No functional changes. 
llvm-svn: 6304
 2003-05-22 21:49:18 +00:00
Misha Brukman
b674a1b95b Kill `using' directives. 
llvm-svn: 6301
 2003-05-22 21:24:35 +00:00
Chris Lattner
b4d58d7f9e Rename MachineInstrInfo -> TargetInstrInfo 
llvm-svn: 5272
 2003-01-14 22:00:31 +00:00
Chris Lattner
f9781b59ab More renamings of Target/Machine*Info to Target/Target*Info 
llvm-svn: 5204
 2002-12-29 03:13:05 +00:00
Chris Lattner
967c38f4c5 Remove usage of MachineBasicBlock::get 
llvm-svn: 4341
 2002-10-28 18:50:08 +00:00
Chris Lattner
6a30b02b1d Rename the redundant MachineOperand::getOperandType() to MachineOperand::getType() 
llvm-svn: 4331
 2002-10-28 04:45:29 +00:00
Chris Lattner
9668c8c8db Add #includes now that MachineInstr.h doesn't include llvm/Target/MachineInstrInfo.h 
llvm-svn: 4327
 2002-10-28 02:28:39 +00:00
Chris Lattner
8710aab04c Rename MachineCodeForBasicBlock to MachineBasicBlock 
llvm-svn: 4318
 2002-10-28 01:41:47 +00:00
Vikram S. Adve
f8c6e3db55 Major bug fix: was not adding CD edges for RETURNs! 
llvm-svn: 4137
 2002-10-13 00:39:22 +00:00
Chris Lattner
e08000ac9f Very minor cleanups 
llvm-svn: 3271
 2002-08-09 18:55:18 +00:00
Chris Lattner
10073a9080 *** empty log message *** 
llvm-svn: 3075
 2002-07-25 06:17:51 +00:00
Chris Lattner
e98dd5fcac *** empty log message *** 
llvm-svn: 3056
 2002-07-24 21:21:32 +00:00
Vikram S. Adve
19c55db0d9 A single MachineInstr operand may now be both a def and a use, 
so additional dep. edges have to be added.
This was needed to correctly handle conditional move instructions!
MachineCodeForBasicBlock is now an annotation on BasicBlock.
Renamed "earliestForNode" to "earliestReadyTimeForNode".

llvm-svn: 2826
 2002-07-08 22:59:23 +00:00
Chris Lattner
113f4f4609 MEGAPATCH checkin. 
For details, See: docs/2002-06-25-MegaPatchInfo.txt

llvm-svn: 2779
 2002-06-25 16:13:24 +00:00
Chris Lattner
d5a847057b Eliminate duplicate or unneccesary #include's 
llvm-svn: 2397
 2002-04-29 17:42:12 +00:00
Chris Lattner
6c1a58d6ba Clean up the ownership model a bit so that nodes actually get deleted more 
frequently. This still leaks edges quite a bit, but it leaks no nodes
(I think).

llvm-svn: 2190
 2002-04-09 05:15:33 +00:00
Chris Lattner
62b7fd136e Change references to the Method class to be references to the Function 
class.  The Method class is obsolete (renamed) and all references to it
are being converted over to Function.

llvm-svn: 2144
 2002-04-07 20:49:59 +00:00
Vikram S. Adve
90039d0ab9 Minor changes. 
llvm-svn: 1971
 2002-03-24 03:40:59 +00:00
Chris Lattner
a17c469136 * Straighten out #includes 
* Switch from MachineCodeForVMInstr to MachineCodeForInstruction model

llvm-svn: 1644
 2002-02-03 07:29:45 +00:00
Chris Lattner
7f74a56e24 Changes to build successfully with GCC 3.02 
llvm-svn: 1503
 2002-01-20 22:54:45 +00:00
Chris Lattner
5de2204fe8 Create a new #include "Support/..." directory structure to move things 
from "llvm/Support/..." that are not llvm dependant.

Move files and fix #includes

llvm-svn: 1400
 2001-11-27 00:03:19 +00:00
Chris Lattner
0c8eea1b6f Stuff after a #endif is not valid CPP input and breaks some compilers 
llvm-svn: 1375
 2001-11-26 18:56:52 +00:00
Vikram S. Adve
03fae5e5db Eliminate most uses of the machine instruction vector for each LLVM instr, 
since some m. instr. may be generated by LLVM instrs. in other blocks.
Handle non-SSA (anti and output) edges and true edges uniformly by
working with machine instructions alone.

llvm-svn: 1269
 2001-11-12 18:53:43 +00:00
Vikram S. Adve
dff0a891c1 Major improvement to how nodes are built for a BB. 
LLVM instruction is no longer recorded in each node, but BB is.

llvm-svn: 1262
 2001-11-12 14:18:01 +00:00
Vikram S. Adve
6cd83556e6 Only add true dep. edges from an earlier to a later instruction. 
This wasn't a problem until we started putting copies for Phi values
that produced cycles in the SchedGraph!

llvm-svn: 1254
 2001-11-11 01:23:27 +00:00
Vikram S. Adve
621b90440b Major change to how defs are found when adding dependences (they 
are now found as part of the initial walk of the machine code).
Also memory load/store instructions can be generated for non-memory
LLVM instructions, which wasn't handled before.  It is now.

llvm-svn: 1199
 2001-11-08 05:20:23 +00:00
Vikram S. Adve
596721384b Modified graph construction to use one pass to find all defs. 
Avoids having to handle some special cases that cause complex interactions
with instr. selection.

llvm-svn: 1138
 2001-11-05 04:04:23 +00:00
Vikram S. Adve
df6913549a Add edges between call instructions and (a) load/store instructions, and 
(b) any instructions that use or set CC registers.  Whether or not the
latter are needed really should be machine-dependent.

llvm-svn: 1008
 2001-10-28 21:43:33 +00:00
Vikram S. Adve
59cbb6498c *** empty log message *** 
llvm-svn: 857
 2001-10-17 23:53:16 +00:00
Chris Lattner
2b3369567e * Fix privacy issues on RegToRefVecMap 
* Fix initialization order problems...

llvm-svn: 762
 2001-10-13 06:51:01 +00:00
Vikram S. Adve
1235b330f7 Add graph edges due to implicit refs in each machine instruction. 
llvm-svn: 724
 2001-10-11 04:22:45 +00:00
Vikram S. Adve
d50b665acf Don't insert useful instructions in delay slot of a RETURN. 
llvm-svn: 721
 2001-10-10 20:58:11 +00:00
Chris Lattner
da55810666 Commit more code over to new cast style 
llvm-svn: 697
 2001-10-02 03:41:24 +00:00
Chris Lattner
3856934386 Convert more code to use new style casts 
Eliminate old style casts from value.h

llvm-svn: 696
 2001-10-01 20:11:19 +00:00
Chris Lattner
4b717c0edc Add support for new style casts 
llvm-svn: 694
 2001-10-01 16:18:37 +00:00
Vikram S. Adve
2b2ca42761 Two bug fixes: 
(1) Add edges for Values that are written by multiple m/c instructions
(2) Add edges for LLVM operands that are not machine operands (e.g., Call args)

llvm-svn: 676
 2001-09-30 23:36:58 +00:00
Vikram S. Adve
3e8029dc07 Moved erase edge functions to class SchedGraph. 
Add new dummy edges when deleting existing edges.

llvm-svn: 609
 2001-09-18 12:50:40 +00:00
Chris Lattner
8d44b99844 Chris seems fond of #include <vector>. Fix these. Also convert use list in 
Value to a vector instead of a list.

Move SchedGraph.h & SchedPriorities.h into lib/CodeGen/InstrScheduling

llvm-svn: 572
 2001-09-14 16:56:32 +00:00
Chris Lattner
87b3bf630b Split Target/Machine.h into three files: 
* Machine.h
* InstInfo.h
* SchedInfo.h

TODO: Split out reg info stuff
llvm-svn: 567
 2001-09-14 06:08:03 +00:00
Chris Lattner
22a6a90511 Make a new llvm/Target #include directory. 
Move files from lib/CodeGen/TargetMachine to lib/Target
Move TargetData.h and TargetMachine.h to Target/{Data.h|Machine.h}
Prepare to split TargetMachine.h into several smaller files

llvm-svn: 566
 2001-09-14 05:34:53 +00:00
Chris Lattner
44a45af61b Use predicate for Value type test 
llvm-svn: 540
 2001-09-10 20:09:28 +00:00
Chris Lattner
b7d0c37f5c Remove unnecesary #include add dump calls pulled out of .h file 
llvm-svn: 488
 2001-09-07 21:21:03 +00:00
Vikram S. Adve
754c4dd6ae Scheduling DAG for instruction scheduling. Currently for a single basic block. 
llvm-svn: 394
 2001-08-28 23:06:02 +00:00