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151 Commits

Author SHA1 Message Date
Evan Cheng 5924bf7d3b Added major new capabilities to scheduler (only BURR for now) to support physical register dependency. The BURR scheduler can now backtrace and duplicate instructions in order to avoid "expensive / impossible to copy" values (e.g. status flag EFLAGS for x86) from being clobbered. 
llvm-svn: 42284
 2007-09-25 01:54:36 +00:00
Evan Cheng 0effc3a6b8 Use struct SDep instead of std::pair for SUnit pred and succ lists. First step 
in tracking physical register output dependencies.

llvm-svn: 42125
 2007-09-19 01:38:40 +00:00
Dale Johannesen 3cf889f75e Enhance APFloat to retain bits of NaNs (fixes oggenc). 
Use APFloat interfaces for more references, mostly
of ConstantFPSDNode.

llvm-svn: 41632
 2007-08-31 04:03:46 +00:00
Dan Gohman 81b62e1218 Add an option, -view-sunit-dags, for viewing the actual SUnit DAGs used by 
scheduling.

llvm-svn: 41556
 2007-08-28 20:32:58 +00:00
Dan Gohman 8c7333266c Make chain dependencies blue, in addition to being dashed. 
llvm-svn: 37626
 2007-06-18 15:30:16 +00:00
Dan Gohman 1796f1f8e9 Qualify several calls to functions in the MVT namespace, for consistency. 
llvm-svn: 37230
 2007-05-18 17:52:13 +00:00
Bill Wendling 22e978a736 Removing even more <iostream> includes. 
llvm-svn: 32320
 2006-12-07 20:04:42 +00:00
Jim Laskey da0add3fd0 Fixing the ENABLE_OPTIMIZED=1 DISABLE_ASSERTIONS=1 build. 
llvm-svn: 31822
 2006-11-17 13:07:55 +00:00
Evan Cheng c034f14fbe Rename ISD::MemOpAddrMode to ISD::MemIndexedMode 
llvm-svn: 31596
 2006-11-09 18:44:21 +00:00
Evan Cheng 415f365e5c Print jumptable index. 
llvm-svn: 31340
 2006-11-01 04:48:30 +00:00
Chris Lattner c5ab6ce613 Make flag and chain edges visually distinguishable from value edges in DOT 
output.

llvm-svn: 31067
 2006-10-20 18:06:09 +00:00
Evan Cheng 2f4ddce75c Fix printer for StoreSDNode. 
llvm-svn: 31017
 2006-10-17 21:18:26 +00:00
Jim Laskey e7d2c24a7d Make it simplier to dump DAGs while in DAGCombiner. Remove a nasty optimization. 
llvm-svn: 31009
 2006-10-17 19:33:52 +00:00
Evan Cheng d35734bd1f Naming consistency. 
llvm-svn: 30878
 2006-10-11 07:10:22 +00:00
Evan Cheng 7994aec7b5 Also update getNodeLabel for LoadSDNode. 
llvm-svn: 30861
 2006-10-10 20:11:26 +00:00
Jim Laskey e73a22514d Debugging kruft 
llvm-svn: 30688
 2006-10-02 13:01:17 +00:00
Jim Laskey 1368c265da Add ability to annotate (color) nodes in a viewGraph. 
llvm-svn: 30686
 2006-10-02 12:26:53 +00:00
Evan Cheng 45fe3bc72c 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
Reid Spencer ee7eaa25cf For PR801: 
Refactor the Graph writing code to use a common implementation which is
now in lib/Support/GraphWriter.cpp. This completes the PR.

Patch by Anton Korobeynikov. Thanks, Anton!

llvm-svn: 28925
 2006-06-27 16:49:46 +00:00
Reid Spencer 614cb2ff82 For PR798: 
Provide GraphViz support for MingW32. Patch provided by Anton Korobeynikov

llvm-svn: 28688
 2006-06-05 16:26:06 +00:00
Chris Lattner c610e62e46 print arbitrary constant pool entries 
llvm-svn: 26545
 2006-03-05 09:38:03 +00:00
Evan Cheng 0e0de2f3f0 Added an index field to GlobalAddressSDNode so it can represent X+12, etc. 
llvm-svn: 24523
 2005-11-30 02:04:11 +00:00
Chris Lattner 435b402e1f Add support for a new STRING and LOCATION node for line number support, patch 
contributed by Daniel Berlin, with a few cleanups here and there by me.

llvm-svn: 24515
 2005-11-29 06:21:05 +00:00
Chris Lattner a8d37d748f more progress towards bug 291 being finished. Patch by Owen Anderson, 
HAVE_GV case fixed up by me.

llvm-svn: 24428
 2005-11-20 03:45:52 +00:00
Chris Lattner 377bdbff91 Improve Selection DAG printer portability. Patch by Owen Anderson! 
llvm-svn: 24425
 2005-11-19 07:44:09 +00:00
Chris Lattner a22eae0163 Teach the graph viewer to handle register operands that are zero. 
llvm-svn: 24421
 2005-11-19 06:58:46 +00:00
Chris Lattner fda6944c5b add a method 
llvm-svn: 23575
 2005-10-01 00:17:07 +00:00
Chris Lattner c30405e0ee 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.

llvm-svn: 23081
 2005-08-26 17:15:30 +00:00
Chris Lattner bb8cc0acb2 Fix pasto that prevented VT ndoes from showing up in -view-isel-dags correctly 
llvm-svn: 23021
 2005-08-24 18:30:00 +00:00
Chris Lattner 4990335eb8 Print physreg register nodes with target names (e.g. F1) instead of numbers 
llvm-svn: 22934
 2005-08-19 21:21:16 +00:00
Chris Lattner 802080d812 Fix printing of VTSDNodes 
llvm-svn: 22853
 2005-08-18 03:31:02 +00:00
Chris Lattner 33182325f5 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. :)

llvm-svn: 22806
 2005-08-16 21:55:35 +00:00
Chris Lattner 7e57d18b79 Use a extant helper to do this. 
llvm-svn: 22802
 2005-08-16 18:31:23 +00:00
Misha Brukman a54e201edf * Unbreak release build 
* Add comments to #endif pragmas for readability

llvm-svn: 22647
 2005-08-04 14:22:41 +00:00
Chris Lattner 8191442548 Fix PR611, codegen'ing SREM of FP operands to fmod or fmodf instead of 
the sequence used for integer ops

llvm-svn: 22629
 2005-08-03 20:31:37 +00:00
Chris Lattner b47f5e6d54 You can't use config options without config.h 
llvm-svn: 22446
 2005-07-15 22:48:31 +00:00
Chris Lattner 46524e2573 Make this use the new autoconf support for finding the executables for 
gv and Graphviz.

llvm-svn: 22434
 2005-07-14 05:33:13 +00:00
Chris Lattner fcc53ad625 As discussed on IRC, this stuff is just for debugging. 
llvm-svn: 22432
 2005-07-14 05:17:43 +00:00
Chris Lattner 51ded0e1ee If the Graphviz program is available, use it to visualize dot graphs. 
llvm-svn: 22429
 2005-07-14 01:10:55 +00:00
Chris Lattner de0a4b1987 Change *EXTLOAD to use an VTSDNode operand instead of being an MVTSDNode. 
This is the last MVTSDNode.

This allows us to eliminate a bunch of special case code for handling
MVTSDNodes.

llvm-svn: 22367
 2005-07-10 01:55:33 +00:00
Chris Lattner 9440d6e260 Print SrcValue nodes correctly 
llvm-svn: 21803
 2005-05-09 04:08:27 +00:00
Misha Brukman 774511633d Convert tabs to spaces 
llvm-svn: 21439
 2005-04-22 04:01:18 +00:00
Misha Brukman 835702a094 Remove trailing whitespace 
llvm-svn: 21420
 2005-04-21 22:36:52 +00:00
Chris Lattner 2c331fbc8f Don't mash stuff together. 
llvm-svn: 19611
 2005-01-16 07:28:31 +00:00
Chris Lattner 630d1937bf Print extra type for nodes with extra type info. 
llvm-svn: 19575
 2005-01-15 21:11:37 +00:00
Chris Lattner e727af06c8 Add new ImplicitDef node, rename CopyRegSDNode class to RegSDNode. 
llvm-svn: 19535
 2005-01-13 20:50:02 +00:00
Chris Lattner c2785562f1 Print the value types in the nodes of the graph 
llvm-svn: 19485
 2005-01-11 22:21:04 +00:00
Chris Lattner 1308b488ea Print SelectionDAGs bottom up, include extra info in the node labels 
llvm-svn: 19447
 2005-01-11 00:34:33 +00:00
Chris Lattner b241b443b6 Add a marker for the graph root. 
llvm-svn: 19445
 2005-01-10 23:52:04 +00:00
Chris Lattner 12be02722f Put the operation name in each node, put the function name on the graph. 
llvm-svn: 19444
 2005-01-10 23:26:00 +00:00
Chris Lattner 7f65075be3 Implement initial selectiondag printing support. This gets us a nice 
graph with no labels! :)

llvm-svn: 19441
 2005-01-10 23:08:40 +00:00