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4105 Commits

Author SHA1 Message Date
Chris Lattner
398d8a539c Another optimization, speed up the testcase to 2.7s 
llvm-svn: 8333
 2003-09-02 22:15:15 +00:00
Chris Lattner
e4adff8157 Removal of explicit stack, which requires the method to be a member (so it can 
call setAbstract).  Now that we just compute abstractness we can also return
the computed value by value instead of as an argument.

llvm-svn: 8332
 2003-09-02 21:56:34 +00:00
Chris Lattner
05eecdb7de Remove the "recursive bit", not only is it unused by anyone, it was also 
not correctly calculated, and calculating it wrong for fun seems rather
pointless.  This also speeds up my favorite testcase by .25 seconds.

llvm-svn: 8330
 2003-09-02 21:41:05 +00:00
John Criswell
6927aeed1e Added the MakeFileReadable() method. 
llvm-svn: 8327
 2003-09-02 21:09:30 +00:00
John Criswell
5277b91d50 Added a description of the algorithm. 
Return failure if the chmod() fails.

llvm-svn: 8326
 2003-09-02 20:30:16 +00:00
John Criswell
7b83fe6beb Added the MakeFileExecutable() method. This method takes a filename and 
gives it execute access while respecting the user's umask.

llvm-svn: 8324
 2003-09-02 20:14:57 +00:00
Chris Lattner
590606e4c4 Don't bother doing an exhaustive recursive walk if we are at the limit of what 
we need to know anyway.  This reduces the 2002-07-08-HugePerformanceProblem.llx
down to 3.210u:0.010s, which is back in the acceptable range again

llvm-svn: 8323
 2003-09-02 20:06:29 +00:00
Chris Lattner
06d8aac065 Ugh, fix bugs. Ok, so the last fix wasn't as great as I thought it was. 
Now we're back to: 131.730u, 0.330s, which is still quite an improvement,
but still quite unacceptable

llvm-svn: 8322
 2003-09-02 19:14:12 +00:00
Chris Lattner
fb0b83a27b Further simplifications 
llvm-svn: 8321
 2003-09-02 16:46:41 +00:00
Chris Lattner
dda7669997 Change the code to no longer compute the "type description" immediately when 
the type is analyzed.  Instead, only compute it when requested (with
getDescription), and cached for reuse later.

This dramatically speeds up LLVM in general because these descriptions almost
_never_ need to be constructed.  The only time they are used is when a type is
<<'d.  Printing of modules by themselves uses other code to print symbolic
types when possible, so these descriptions are really only used for debugging.

Also, this fixes the particularly bad case when lots of types get resolved to
each other, such as during linking of large programs.  In these cases, the type
descriptions would be repeatedly recomputed and discarded even though: A. noone
reads the description before it gets resolved, and B. many many resolutions
happen at intermediate steps, causing a HUGE waste of time.

Overall, this makes the getTypeDesc function much more light-weight, and fixes
bug: Assembler/2002-07-08-HugePerformanceProblem.llx, which went from taking
1048.770u/19.150s (which is 17.5 MINUTES, on apoc), to taking 0.020u/0.000s,
which is a nice little speedup.  :)

llvm-svn: 8320
 2003-09-02 16:35:17 +00:00
Brian Gaeke
5a8d15dfa1 Remove assertion which is never reached. 
llvm-svn: 8318
 2003-09-02 06:45:34 +00:00
Chris Lattner
3fdc7bbd0d Prototype for creator function got moved 
llvm-svn: 8315
 2003-09-01 20:45:33 +00:00
Chris Lattner
3d53c382ba OptInfo is no longer required 
llvm-svn: 8312
 2003-09-01 20:41:07 +00:00
Chris Lattner
6d92264f5a No longer provide an optinfo, noone uses it 
llvm-svn: 8311
 2003-09-01 20:40:59 +00:00
Chris Lattner
2eb5de925f Inline simple comparison which is sparc specific anyway 
llvm-svn: 8309
 2003-09-01 20:38:03 +00:00
Chris Lattner
5520e4dc30 Don't build dead directories 
llvm-svn: 8308
 2003-09-01 20:34:15 +00:00
Chris Lattner
3d6b7d1b44 Move private interfaces into private .h file 
llvm-svn: 8306
 2003-09-01 20:33:07 +00:00
Chris Lattner
f2e4f5a388 Preselection is now integrated into the Sparc target library 
llvm-svn: 8305
 2003-09-01 20:30:17 +00:00
Chris Lattner
a685c382b1 Remove dead library makefile 
llvm-svn: 8304
 2003-09-01 20:29:43 +00:00
Chris Lattner
80c84d29b1 Remove makefile for dead library 
llvm-svn: 8303
 2003-09-01 20:26:52 +00:00
Chris Lattner
25669f3e09 Sparc peephole optimizer moved out of post-opts library into Sparc target library 
llvm-svn: 8302
 2003-09-01 20:26:14 +00:00
Chris Lattner
cd2980ec8c Simplify code a bit 
llvm-svn: 8301
 2003-09-01 20:24:06 +00:00
Chris Lattner
049f0b8b37 LiveRange.h is now in lib/CodeGen/RegAlloc 
llvm-svn: 8299
 2003-09-01 20:17:13 +00:00
Chris Lattner
e5a47a9d95 This file is hopelessly out of date 
llvm-svn: 8298
 2003-09-01 20:14:00 +00:00
Chris Lattner
74e93a318b LiveRangeInfo got moved into the lib/CodeGen/RegAlloc directory 
llvm-svn: 8297
 2003-09-01 20:12:17 +00:00
Chris Lattner
a591134169 PhyRegAlloc.h got moved to lib/CodeGen/RegAlloc 
llvm-svn: 8296
 2003-09-01 20:09:04 +00:00
Chris Lattner
e3fcb37a20 Move IGNode from public include directory to here. Minor cleanups like adding std:: namespace qualifiers 
llvm-svn: 8295
 2003-09-01 20:05:47 +00:00
Chris Lattner
8ebc13b6ca IGNode got moved to lib/CodeGen/RegAlloc 
llvm-svn: 8294
 2003-09-01 20:00:08 +00:00
Chris Lattner
ee413804c7 This file just needs LiveRange.h not IGNode.h 
llvm-svn: 8293
 2003-09-01 19:58:02 +00:00
Chris Lattner
a43cd2a9c9 No longer include IGNode.h in the Sparc global header 
llvm-svn: 8292
 2003-09-01 19:56:48 +00:00
Chris Lattner
16149f6b85 Final cleanup: remove dead code 
llvm-svn: 8291
 2003-09-01 18:01:36 +00:00
Chris Lattner
b70da7293b Not only is this a lot smaller, it actually works if there is already a 
function with the right name in the module.

llvm-svn: 8290
 2003-09-01 16:53:46 +00:00
Chris Lattner
3bef1d6ae4 Dead files 
llvm-svn: 8289
 2003-09-01 16:49:57 +00:00
Chris Lattner
8fd6602748 If "These should be used only by the auto-parallelization pass", we might as 
well put them INTO the auto-par pass.

llvm-svn: 8288
 2003-09-01 16:49:38 +00:00
Chris Lattner
d5f57a52db Moved all of the cilkifier stuff into lib/Transforms/IPO, as it really is not 
support stuff.

llvm-svn: 8287
 2003-09-01 16:45:30 +00:00
Chris Lattner
4ee52b7154 Minor cleanups 
Do not #include Parallelize.h, it's just a subset of Cilkifier.h

llvm-svn: 8285
 2003-09-01 16:42:16 +00:00
Chris Lattner
4252e57c90 Remove gross old hacky code that was in there for backwards compatibility 
1 year is plenty of migration time!

llvm-svn: 8282
 2003-09-01 16:31:28 +00:00
Chris Lattner
2cdcc41517 Change the RaiseAllocations pass to be a Pass instead of a BasicBlock pass. 
This makes it more efficient: it doesn't have to scan the whole program, so
it performs work proportional to the number of malloc/free calls in the
program, not the size of the program.

llvm-svn: 8280
 2003-09-01 03:14:56 +00:00
Chris Lattner
c3019e3d22 Fix bug: TailDuplicate/2003-08-31-UnreachableBlocks.ll 
llvm-svn: 8276
 2003-08-31 21:17:44 +00:00
Chris Lattner
0620f3d2fa Replace M with F when refering to functions 
llvm-svn: 8274
 2003-08-31 20:36:52 +00:00
Chris Lattner
f72da72785 Rename TarjanSCCIterator -> scc_iterator 
* Increases consistency with other iterators (e.g. df_iterator, po_iterator...)
  * It's shorter
  * We don't name classes by the implementation, we name it for the interface!

llvm-svn: 8273
 2003-08-31 20:01:57 +00:00
Chris Lattner
b16810e6ee Don't explicitly use the SCC class 
llvm-svn: 8271
 2003-08-31 19:55:06 +00:00
Chris Lattner
1b262a5395 Remove dead var 
llvm-svn: 8270
 2003-08-31 19:54:57 +00:00
Chris Lattner
acd5eb1663 The SCC::HasLoop method is now in the main iterator 
llvm-svn: 8269
 2003-08-31 19:51:38 +00:00
Chris Lattner
05498bc768 Remove explicit passing of SCC's around as objects. 
llvm-svn: 8267
 2003-08-31 19:46:48 +00:00
Chris Lattner
8314d710a6 Move the getAnalysisUsage method from the header file 
llvm-svn: 8264
 2003-08-31 19:40:57 +00:00
Chris Lattner
87aba3e3d5 The tarjan iterator now returns a reference to the current SCC, not a possibly null pointer! 
llvm-svn: 8262
 2003-08-31 19:35:16 +00:00
Chris Lattner
9e2279bd9d Minor cleanups 
Iterate from tarj_begin -> tarj_end, not from tarj_begin -> NULL

llvm-svn: 8260
 2003-08-31 19:29:52 +00:00
Chris Lattner
e4682822fb Indent classes correctly in the namespace 
move bodies out-of-line
Add getAnalysisUsage method for SFGSCC

llvm-svn: 8259
 2003-08-31 19:27:11 +00:00
Chris Lattner
f8dfcdadf3 * Cleanups 
* Iterate from tarj_begin -> tarj_end, not from tarj_begin -> NULL

llvm-svn: 8258
 2003-08-31 19:23:41 +00:00