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Author SHA1 Message Date
Chris Lattner
eb560983ad Build the ADCE tests 
llvm-svn: 2545
 2002-05-07 20:52:15 +00:00
Chris Lattner
4e234c9a1f ADCE tests 
llvm-svn: 2544
 2002-05-07 20:51:59 +00:00
Chris Lattner
c636f5427b Implement constant propogation of PHI instructions like this: 
X = phi(0, 0, 0)

llvm-svn: 2543
 2002-05-07 20:44:59 +00:00
Chris Lattner
49ac9debec Oops, forgot to check in makefile 
llvm-svn: 2542
 2002-05-07 20:39:18 +00:00
Chris Lattner
73b676d645 Add check that phi nodes get constant propogated away 
llvm-svn: 2541
 2002-05-07 20:32:19 +00:00
Chris Lattner
8916b11c77 constprop doesn't delete dead instructions, it just makes them dead. 
llvm-svn: 2540
 2002-05-07 20:25:44 +00:00
Chris Lattner
fdae27abc0 Add testcase for not expressions 
llvm-svn: 2539
 2002-05-07 20:22:12 +00:00
Chris Lattner
466c66f47a Merge all include/llvm/Transforms/Scalar/* into a single Scalar.h 
llvm-svn: 2538
 2002-05-07 20:03:27 +00:00
Chris Lattner
2a43c7c03d Merge all individual .h files into a single Scalar.h file 
llvm-svn: 2537
 2002-05-07 20:03:00 +00:00
Chris Lattner
e615c275c5 This doesn't use DCE! 
llvm-svn: 2536
 2002-05-07 20:02:44 +00:00
Chris Lattner
c038503630 Extend TargetData::getIndexedOffset to support arrays and pointers! 
llvm-svn: 2535
 2002-05-07 20:00:33 +00:00
Chris Lattner
5b99f25879 These files are supersumed by include/llvm/Transforms/Scalar.h 
llvm-svn: 2534
 2002-05-07 19:38:42 +00:00
Chris Lattner
bb3896eed3 New header file to replace all of the Scalar/*.h files. 
llvm-svn: 2533
 2002-05-07 19:37:18 +00:00
Chris Lattner
5cae7abf34 Fix makefiles after shuffling passes around the libraries 
llvm-svn: 2532
 2002-05-07 19:27:33 +00:00
Chris Lattner
f7806b0212 Move UnifyFunctionExitNodes to Utils library: final resting place this time 
llvm-svn: 2531
 2002-05-07 19:18:48 +00:00
Chris Lattner
276dd3d721 fix comments and documentation in file 
llvm-svn: 2530
 2002-05-07 19:04:39 +00:00
Chris Lattner
e125e808a8 Split ChangeAllocations.cpp into Raise & LowerAllocations.cpp 
llvm-svn: 2529
 2002-05-07 19:02:48 +00:00
Chris Lattner
d5b2b2afa5 Checkin headers for Utils library 
llvm-svn: 2528
 2002-05-07 18:52:48 +00:00
Chris Lattner
d365f9465f Cleanup implementation a bit + comments 
llvm-svn: 2527
 2002-05-07 18:51:44 +00:00
Chris Lattner
6ccbd5804a Cleanup implementation a bit 
llvm-svn: 2526
 2002-05-07 18:51:25 +00:00
Chris Lattner
e8330cc870 Change script to not even look in test/ directory, significantly speeding it up 
llvm-svn: 2525
 2002-05-07 18:42:09 +00:00
Chris Lattner
e17a86e8a2 Oops, somehow lost a slash. Fixed 
llvm-svn: 2524
 2002-05-07 18:39:52 +00:00
Chris Lattner
9e1c79995e Updates to move some header files out of include/llvm/Transforms into 
the Scalar and Utils subdirectories

llvm-svn: 2523
 2002-05-07 18:36:35 +00:00
Chris Lattner
186adba046 Update header after moving file 
llvm-svn: 2522
 2002-05-07 18:34:57 +00:00
Chris Lattner
51d7a923f5 Remove long dead file 
llvm-svn: 2521
 2002-05-07 18:20:10 +00:00
Chris Lattner
cb8c2d31c2 Straighten out makefiles after moving code to new Transform Utils library 
llvm-svn: 2520
 2002-05-07 18:18:26 +00:00
Chris Lattner
0b8c2d8b29 Factor code out to the Transform Utils library 
llvm-svn: 2519
 2002-05-07 18:18:00 +00:00
Chris Lattner
c5a6d978b8 Reduce dependance on TransformInternals.h, instead using the TransformUtils library 
llvm-svn: 2518
 2002-05-07 18:12:18 +00:00
Chris Lattner
a35a291f7b Add #include no longer included by llvm/Transforms/Scalar/ConstantProp.h 
llvm-svn: 2517
 2002-05-07 18:11:30 +00:00
Chris Lattner
c099f62190 Factor code out to the TransformUtils library 
llvm-svn: 2516
 2002-05-07 18:10:55 +00:00
Chris Lattner
7b20305ef9 Factor code out of TransformInternals into the Transform Utils library 
llvm-svn: 2515
 2002-05-07 18:09:15 +00:00
Chris Lattner
e817245564 Build Transforms Utils library 
llvm-svn: 2514
 2002-05-07 18:08:50 +00:00
Chris Lattner
d5477af051 Add code pulled out of TransformInternals.cpp, ConstProp.cpp, and DCE.cpp 
llvm-svn: 2513
 2002-05-07 18:07:59 +00:00
Chris Lattner
394781b660 * Convert InstWorkList to vector instead of set, because on big programs it 
is empirically faster by a noticable margin, even though duplicates can
  happen.

llvm-svn: 2511
 2002-05-07 04:29:32 +00:00
Chris Lattner
4a830e1a4a * Remove all cfg simplification stuff for a new cfg simplify pass (todo) 
* Convert to worklist instead of iterative algorithm

llvm-svn: 2510
 2002-05-07 04:24:11 +00:00
Chris Lattner
6b0fe18eb2 Finish up the updates to the language reference 
llvm-svn: 2509
 2002-05-06 22:08:29 +00:00
Chris Lattner
44c4a3f18f Mark analyses that only depend on the CFG of a function 
llvm-svn: 2507
 2002-05-06 19:32:07 +00:00
Chris Lattner
06c3ae573f Make functions that preserve the CFG not invalidate analyses that only depend 
on the CFG of a function

llvm-svn: 2506
 2002-05-06 19:31:52 +00:00
Chris Lattner
bd5095f570 Add support for passes to announce that they only depend on the CFG of a 
function.  This is crude but effective

llvm-svn: 2505
 2002-05-06 19:31:16 +00:00
Chris Lattner
ca538273d4 Only do masking for unsigned values! 
llvm-svn: 2504
 2002-05-06 18:54:59 +00:00
Chris Lattner
ee7b1b29a9 GCSE is faster than SCCP, and it makes SCCP's job easier, so run it first. 
llvm-svn: 2503
 2002-05-06 18:54:12 +00:00
Chris Lattner
66ff017174 * Eliminate dead code that should have been removed in last revision 
* Convert main constant propogation pass to be worklist driven instead of
  iterative.
* -constprop pass no longer "constant propogates" terminator instructions
   - CFG is now preserved!

llvm-svn: 2502
 2002-05-06 18:21:31 +00:00
Chris Lattner
24ebec1273 Handle X = phi Y --> X = Y 
llvm-svn: 2501
 2002-05-06 18:06:38 +00:00
Chris Lattner
8866ffa232 Make the testcase more interesting so that DCE does not eliminate it. 
Use DIE instead of DCE anyway

llvm-svn: 2500
 2002-05-06 17:59:23 +00:00
Chris Lattner
7d13e2f392 Move a bunch of code to a .cpp file, don't #include Instruction.h 
llvm-svn: 2499
 2002-05-06 17:54:50 +00:00
Chris Lattner
e2242ebf8e Move code out of header file 
llvm-svn: 2498
 2002-05-06 17:54:27 +00:00
Chris Lattner
910ca80941 * Use simplified interface to constant propogation stuff. 
* Remove dead PHI case (which could not work due to getNumOperands rather than
  getNumIncomingValues.  This really belongs in InstCombine, anyway so we'll
  move it there.

llvm-svn: 2497
 2002-05-06 17:54:10 +00:00
Chris Lattner
47fb300c56 Add #include removed from ConstantHandling.h 
llvm-svn: 2496
 2002-05-06 17:53:10 +00:00
Chris Lattner
8d68e13ccb New testcase for PHI folding 
llvm-svn: 2495
 2002-05-06 17:43:38 +00:00
Chris Lattner
b40c1bf6f7 Clean up ADCE by removing extraneous wrapper class 
llvm-svn: 2494
 2002-05-06 17:27:57 +00:00