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266348 Commits

Author SHA1 Message Date
Chris Lattner bcb8138e08 Fix testcase, the 'shift out all bits' doesn't apply to signed types. 
llvm-svn: 2482
 2002-05-06 16:11:31 +00:00
Chris Lattner 08b2c3638d Void and Label values cannot be acted on directly so they have zero size 
llvm-svn: 2481
 2002-05-06 15:10:15 +00:00
Chris Lattner 6022ad064c More testcases I don't want to forget about 
llvm-svn: 2480
 2002-05-06 05:51:26 +00:00
Chris Lattner 74e95476d4 New testcases so I don't forget about these algebraic simplifications 
llvm-svn: 2479
 2002-05-06 05:43:36 +00:00
Chris Lattner 8170e8f397 New testcase so I don't forget about this. 
llvm-svn: 2478
 2002-05-06 05:35:20 +00:00
Chris Lattner 5fc509b008 Testcase for missed merge opportunity 
llvm-svn: 2477
 2002-05-06 03:11:32 +00:00
Chris Lattner 878bbb2f1c Run DCE AFTER SCCP and GCSE! 
llvm-svn: 2476
 2002-05-06 03:04:17 +00:00
Chris Lattner fed6d77c43 Build CFGsimplify directory 
llvm-svn: 2475
 2002-05-06 03:03:55 +00:00
Chris Lattner 095735d42e Updated documentation a _LOT_ 
llvm-svn: 2474
 2002-05-06 03:03:22 +00:00
Chris Lattner 638fa9385d Remove dead code 
llvm-svn: 2473
 2002-05-06 03:03:09 +00:00
Chris Lattner 66e25b8b62 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 940daedc22 Implement constant propogation of shift instructions 
llvm-svn: 2471
 2002-05-06 03:01:37 +00:00
Chris Lattner 6670d86b0b Implement constant propogation of shifts 
llvm-svn: 2470
 2002-05-06 03:00:54 +00:00
Chris Lattner b2f02e5952 Print functions with curly braces instead of begin/end 
llvm-svn: 2469
 2002-05-06 03:00:40 +00:00
Chris Lattner 94121c9409 Add a range remove method 
llvm-svn: 2468
 2002-05-06 02:59:52 +00:00
Chris Lattner 4ba780d26e Implement two iterator remove method 
llvm-svn: 2467
 2002-05-06 02:59:34 +00:00
Chris Lattner dac95a012b 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 1890ef5cd7 Test moved to SCCP test directory 
llvm-svn: 2465
 2002-05-06 00:52:06 +00:00
Chris Lattner 0a144ad555 Implement remainder 
Fix implementation of Not

llvm-svn: 2464
 2002-05-03 21:41:07 +00:00
Chris Lattner fcc96e582f Implement remainder 
llvm-svn: 2463
 2002-05-03 21:40:37 +00:00
Chris Lattner 37c4d69860 New testcase for bugs in the constant propogator 
llvm-svn: 2462
 2002-05-03 20:25:40 +00:00
Chris Lattner 7ad7bf0071 Add tests for floating point remainder elimination 
llvm-svn: 2461
 2002-05-03 20:16:29 +00:00
Chris Lattner f91d56355f New testcase to see if constant propogation of remainder is implemented 
llvm-svn: 2460
 2002-05-03 20:14:21 +00:00
Chris Lattner 177dac4d92 This testcase is a sanity check 
llvm-svn: 2459
 2002-05-03 20:12:31 +00:00
Chris Lattner 62af86eca8 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 40acfe3554 Add new testcase for general constant prop. 
llvm-svn: 2457
 2002-05-03 19:58:17 +00:00
Chris Lattner 8a1313ba26 Add const prop pass to eliminate dead branches 
llvm-svn: 2456
 2002-05-03 19:57:16 +00:00
Chris Lattner 79baf91f17 Implement the NOT operator. 
llvm-svn: 2455
 2002-05-03 19:52:30 +00:00
Chris Lattner eb164bc1fb We currently don't allow unresolved opaque types! 
llvm-svn: 2453
 2002-05-03 18:32:40 +00:00
Chris Lattner 4f9a452284 Add -d switch to test AsmWriter as well 
llvm-svn: 2452
 2002-05-03 18:31:30 +00:00
Chris Lattner 1e1a9b4166 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 732c209e83 Eliminate usage of function level constant pool 
llvm-svn: 2450
 2002-05-02 21:52:35 +00:00
Chris Lattner b01e5db513 Use unified diffs with gnu diff instead of old diffs 
llvm-svn: 2449
 2002-05-02 21:51:55 +00:00
Chris Lattner 7b80b53ab9 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 dd390e1736 Oops, disable debugging code all the way. :) 
llvm-svn: 2447
 2002-05-02 21:47:40 +00:00
Chris Lattner fe6c9eeae3 * 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 13b52e71d8 * 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 830b5290d0 More testcases for SCCP 
llvm-svn: 2444
 2002-05-02 20:41:39 +00:00
Chris Lattner 5364d1a74a * 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 39e976d83a Additional testcase 
llvm-svn: 2442
 2002-05-02 20:19:11 +00:00
Chris Lattner af5cdf3c1a Run the SCCP test 
llvm-svn: 2441
 2002-05-02 20:18:53 +00:00
Chris Lattner f124e8ff35 First testcase for SCCP pass 
llvm-svn: 2440
 2002-05-02 20:18:37 +00:00
Chris Lattner 3f6b8335d5 Simplify the testcase a bit 
llvm-svn: 2439
 2002-05-02 19:58:05 +00:00
Chris Lattner ed1228aedf New testcase 
llvm-svn: 2438
 2002-05-02 19:54:58 +00:00
Chris Lattner 45243fa9b7 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 18489fb61f * 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 624fe0b0ba New testcase for assembler failure 
llvm-svn: 2435
 2002-05-02 19:12:21 +00:00
Chris Lattner 293e186645 The implementation keyword is no longer neccesary 
llvm-svn: 2434
 2002-05-02 19:11:29 +00:00
Chris Lattner 7b804d6195 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 05cd52199d ExprTypeConvert will already do this transformation, no need to specialize 
it here.

llvm-svn: 2431
 2002-05-02 17:38:55 +00:00