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Author SHA1 Message Date
Chris Lattner
36af244bcb New testcase so I don't forget about this. 
llvm-svn: 2478
 2002-05-06 05:35:20 +00:00
Chris Lattner
34a909060c Testcase for missed merge opportunity 
llvm-svn: 2477
 2002-05-06 03:11:32 +00:00
Chris Lattner
0ba1f2e45f Run DCE AFTER SCCP and GCSE! 
llvm-svn: 2476
 2002-05-06 03:04:17 +00:00
Chris Lattner
bc54decdc7 Build CFGsimplify directory 
llvm-svn: 2475
 2002-05-06 03:03:55 +00:00
Chris Lattner
c0699e7040 Updated documentation a _LOT_ 
llvm-svn: 2474
 2002-05-06 03:03:22 +00:00
Chris Lattner
728a84e0f7 Remove dead code 
llvm-svn: 2473
 2002-05-06 03:03:09 +00:00
Chris Lattner
ef7f8fc474 Merge blocks like this: 
void "test3"(bool %T) {
        br bool %T, label %BB1, label %BB1
BB1:
        ret void
}

llvm-svn: 2472
 2002-05-06 03:02:02 +00:00
Chris Lattner
d12eac0b1b Implement constant propogation of shift instructions 
llvm-svn: 2471
 2002-05-06 03:01:37 +00:00
Chris Lattner
5b5663b806 Implement constant propogation of shifts 
llvm-svn: 2470
 2002-05-06 03:00:54 +00:00
Chris Lattner
dfb7d63b15 Print functions with curly braces instead of begin/end 
llvm-svn: 2469
 2002-05-06 03:00:40 +00:00
Chris Lattner
2d5135d9bd Add a range remove method 
llvm-svn: 2468
 2002-05-06 02:59:52 +00:00
Chris Lattner
1d4e297a65 Implement two iterator remove method 
llvm-svn: 2467
 2002-05-06 02:59:34 +00:00
Chris Lattner
3b5ee47ef6 Initial testcases for CFG simplify (which is part of DCE for now) 
llvm-svn: 2466
 2002-05-06 02:37:38 +00:00
Chris Lattner
4362f06ccf Test moved to SCCP test directory 
llvm-svn: 2465
 2002-05-06 00:52:06 +00:00
Chris Lattner
7c3c3eefcc Implement remainder 
Fix implementation of Not

llvm-svn: 2464
 2002-05-03 21:41:07 +00:00
Chris Lattner
a0965456d0 Implement remainder 
llvm-svn: 2463
 2002-05-03 21:40:37 +00:00
Chris Lattner
578cb6582b New testcase for bugs in the constant propogator 
llvm-svn: 2462
 2002-05-03 20:25:40 +00:00
Chris Lattner
bc361e36af Add tests for floating point remainder elimination 
llvm-svn: 2461
 2002-05-03 20:16:29 +00:00
Chris Lattner
36afb8ee65 New testcase to see if constant propogation of remainder is implemented 
llvm-svn: 2460
 2002-05-03 20:14:21 +00:00
Chris Lattner
e7533432aa This testcase is a sanity check 
llvm-svn: 2459
 2002-05-03 20:12:31 +00:00
Chris Lattner
0c91866478 Fix bug: test/Regression/Transforms/SCCP/2002-05-03-NotOperator.ll 
by using the ~ operator instead of !

llvm-svn: 2458
 2002-05-03 20:09:52 +00:00
Chris Lattner
6635b10155 Add new testcase for general constant prop. 
llvm-svn: 2457
 2002-05-03 19:58:17 +00:00
Chris Lattner
3acc1de80e Add const prop pass to eliminate dead branches 
llvm-svn: 2456
 2002-05-03 19:57:16 +00:00
Chris Lattner
beb2a36b9e Implement the NOT operator. 
llvm-svn: 2455
 2002-05-03 19:52:30 +00:00
Chris Lattner
ecd7d90e2c We currently don't allow unresolved opaque types! 
llvm-svn: 2453
 2002-05-03 18:32:40 +00:00
Chris Lattner
09a356bd6a Add -d switch to test AsmWriter as well 
llvm-svn: 2452
 2002-05-03 18:31:30 +00:00
Chris Lattner
5369a645e6 Allow open/closing curly braces instead of begin/end to define the body of a function 
llvm-svn: 2451
 2002-05-03 18:23:48 +00:00
Chris Lattner
0faae7983c Eliminate usage of function level constant pool 
llvm-svn: 2450
 2002-05-02 21:52:35 +00:00
Chris Lattner
432dc486c2 Use unified diffs with gnu diff instead of old diffs 
llvm-svn: 2449
 2002-05-02 21:51:55 +00:00
Chris Lattner
9606fd4830 Ok, really it only takes me 3 times to get this right! 
Now use #if 0 instead of #ifdef 0

llvm-svn: 2448
 2002-05-02 21:49:50 +00:00
Chris Lattner
de442f70ac Oops, disable debugging code all the way. :) 
llvm-svn: 2447
 2002-05-02 21:47:40 +00:00
Chris Lattner
7d4f3ed1f2 * Finish the implementation of isEdgeFeasible this fixes bug: 
test/Regression/Transforms/SCCP/2002-05-02-EdgeFailure.ll
* SCCP now preserves the CFG:  It leaves conditional branches the way they
  are in the program, not simplifying them.  A seperate pass should eliminate
  the potentially dead basic blocks and edges in the CFG.

llvm-svn: 2446
 2002-05-02 21:44:00 +00:00
Chris Lattner
b30088a50d * Enable SCCP debugging to be turned on with a simple change of #define 
* Change worklist to a set so that duplicates cannot happen
* Add support for the invoke instruction
* Avoid marking store and free instructions as overdefined, since they
  cannot produce a value anyway.
* Inline the OperandChangedState implementation
* Add isEdgeFeasible in preparation to fix a bug.  Right now it behaves
  exactly as before.
* Remove obsolete comment about constant pools

llvm-svn: 2445
 2002-05-02 21:18:01 +00:00
Chris Lattner
4ffce19c71 More testcases for SCCP 
llvm-svn: 2444
 2002-05-02 20:41:39 +00:00
Chris Lattner
28a8acc476 * Simplify the code by not bothering to name the folded constant 
* Do not skip the instruction immediately after a folded instruction.  This
  was causing the testcase failure:
	test/Regression/Transforms/SCCP/2002-05-02-MissSecondInst.ll

llvm-svn: 2443
 2002-05-02 20:32:51 +00:00
Chris Lattner
4d656517dc Additional testcase 
llvm-svn: 2442
 2002-05-02 20:19:11 +00:00
Chris Lattner
25a2a2b61c Run the SCCP test 
llvm-svn: 2441
 2002-05-02 20:18:53 +00:00
Chris Lattner
d76f5b3ce6 First testcase for SCCP pass 
llvm-svn: 2440
 2002-05-02 20:18:37 +00:00
Chris Lattner
295d802096 Simplify the testcase a bit 
llvm-svn: 2439
 2002-05-02 19:58:05 +00:00
Chris Lattner
55a557416c New testcase 
llvm-svn: 2438
 2002-05-02 19:54:58 +00:00
Chris Lattner
dff0195064 Implement cast operations on booleans to allow casting bools to ints, f.e. 
llvm-svn: 2437
 2002-05-02 19:28:45 +00:00
Chris Lattner
8f309d920f * Fix a bug (test/Regression/Assembler/2002-05-02-InvalidForwardRef.ll) 
introduced in the 1.66 revision of this file.
* Convert a hard coded constant to a symbolic value.

llvm-svn: 2436
 2002-05-02 19:27:42 +00:00
Chris Lattner
c0d1010e65 New testcase for assembler failure 
llvm-svn: 2435
 2002-05-02 19:12:21 +00:00
Chris Lattner
bbd002a9ca The implementation keyword is no longer neccesary 
llvm-svn: 2434
 2002-05-02 19:11:29 +00:00
Chris Lattner
7af6cac869 The "implementation" is now allowed but not required by the parser. All type 
definitions must still occur before function bodies, but the wierd keyword is
no longer neccesary.

llvm-svn: 2433
 2002-05-02 19:11:13 +00:00
Chris Lattner
6212dd5c08 ExprTypeConvert will already do this transformation, no need to specialize 
it here.

llvm-svn: 2431
 2002-05-02 17:38:55 +00:00
Chris Lattner
2c44e5bca3 Be a little more efficient, do not generate loads and stores with indices in them. 
llvm-svn: 2430
 2002-05-02 17:38:14 +00:00
Chris Lattner
66f5b12141 Fix bug: test/Regression/Transforms/LevelRaise/2002-05-02-BadCastElimination.ll 
llvm-svn: 2429
 2002-05-02 17:37:34 +00:00
Chris Lattner
b7df910c1a * Add ability to eliminate a bunch of different cascading cast variations 
* Allow elimination of getelementptr X, uint 0 (which is a noop)

llvm-svn: 2428
 2002-05-02 17:06:02 +00:00
Chris Lattner
7222c2f810 Intitial checkin of cast tests 
llvm-svn: 2427
 2002-05-02 17:01:39 +00:00