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Author SHA1 Message Date
Chris Lattner
6f2ec7f59d Update comment 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5752 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-21 21:40:39 +00:00
Chris Lattner
e33b796851 Add more graph traits specializations for dominator tree nodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5751 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-20 21:21:05 +00:00
Chris Lattner
3413d150dc * Change the order that globals and constants are processed in 
* Add support for implicit zero initializers


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5750 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-19 20:57:22 +00:00
Chris Lattner
186a1f71e6 Changes to the V2 bytecode format: 
- Null values are implicitly encoded instead of explicitly, this makes
    things more compact!
  - More compactly represent ConstantPointerRefs
  - Bytecode files are represented as:
      Header|GlobalTypes|GlobalVars/Function Protos|Constants|Functions|SymTab
    instead of
      Header|GlobalTypes|Constants|GlobalVars/Function Protos|Functions|SymTab
    which makes a lot of things simpler.

Writer changes:
  - We now explictly encode versioning information in the bytecode files.
  - This allows new code to read bytecode files produced by old code, but
    new bytecode files can have enhancements such as the above.  Although this
    makes the reader a bit more complex (having to deal with old formats), the
    writer only needs to be able to produce the most recent version.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5749 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-19 20:56:46 +00:00
Chris Lattner
52e20b0977 * Bug fixes: 
- Fix problems where the constant table would not get updated when
    resolving constants causes other constants to change.

Changes to the V2 bytecode format
  - Null values are implicitly encoded instead of explicitly, this makes
    things more compact!
  - More compactly represent ConstantPointerRefs
  - Bytecode files are represented as:
      Header|GlobalTypes|GlobalVars/Function Protos|Constants|Functions|SymTab
    instead of
      Header|GlobalTypes|Constants|GlobalVars/Function Protos|Functions|SymTab
    which makes a lot of things simpler.

Changes to the reader:
  - Function loading code is much simpler.  We now no longer make function
    PlaceHolderHelper objects to be replaced with real functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5748 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-19 20:54:26 +00:00
Chris Lattner
1b079f9685 Add new chunk type 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5747 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-19 20:48:27 +00:00
Chris Lattner
056e84c5b6 Fix testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5746 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-18 22:53:19 +00:00
Chris Lattner
8fb1fe16b7 Fix problems with BitSetVector that makes it not compile under GCC 3.0 and 2.95 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5745 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-17 18:11:27 +00:00
Chris Lattner
760da06489 Fix several bugs in the build system, including the use of the Debug version of Burg no matter what configuration is currently configured. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5744 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-14 20:25:22 +00:00
Chris Lattner
c8802d2c16 Add the following instcombine xforms: 
- Implement simple reassociation: (A|c1)|(B|c2) == (A|B)|(c1|c2)
  - (A & C1)+(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
  - (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5743 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-11 00:12:48 +00:00
Chris Lattner
be0fe12f72 Test limited reassociation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5742 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-11 00:10:59 +00:00
Chris Lattner
8408add00a Add optimizations: 
- (A & C1)+(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0
 - (A & C1)^(B & C2) -> (A & C1)|(B & C2) iff C1&C2 == 0


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5741 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:52:54 +00:00
Chris Lattner
a4f445b28c Implement: -A*-B == A*B 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5740 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:23:04 +00:00
Chris Lattner
533741a764 Add testcases for negated multiplies 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5739 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:22:50 +00:00
Chris Lattner
a27231acc0 Add new transformation: // (~A | ~B) == (~(A & B)) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5738 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:13:59 +00:00
Chris Lattner
0cec701eb2 Add test for demorgans law with constants 
Add test for other form of demorgans


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5737 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:13:32 +00:00
Chris Lattner
8d96964e29 Generalize not and neg comparison testers to allow constant to be considered not'able and neg'able. This 
allows optimization of this:
int %test4(int %A, int %B) {
        %a = xor int %A, -1
        %c = and int %a, 5    ; 5 = ~c2
        %d = xor int %c, -1
        ret int %d
}

into this:
int %test4(int %A, int %B) {            ; No predecessors!
        %c.demorgan = or int %A, -6             ; <int> [#uses=1]
        ret int %c.demorgan
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5736 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 23:06:50 +00:00
Chris Lattner
1b77300154 * Add testcases for associative operators 
* Add testcase for or ubyte, 255 which was broken before


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5735 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 22:43:56 +00:00
Chris Lattner
1680312867 Fix ConstantUInt::isAllOnesValue 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5734 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 22:39:02 +00:00
Chris Lattner
4f98c56936 Generalize (A+c1)+c2 optimization to work with all associative operators 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5733 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 21:43:22 +00:00
Chris Lattner
2bd37807d0 Modernize testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5732 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 19:44:01 +00:00
Chris Lattner
28ba1aad99 Minor change, no functionality diff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5731 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 19:20:30 +00:00
Chris Lattner
c232870b6f Add a bunch of new tests 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5730 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 19:16:20 +00:00
Chris Lattner
ea34005404 Fix bug: (x << 100) wasn't folded to 0, but (x >> 100) was (when x is unsigned) 
Implement new shift optimizations for shifting the result of a shift.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5729 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 19:16:08 +00:00
Chris Lattner
cb40a3749a Implement: (A|B)^B == A & (~B) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5728 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 18:24:17 +00:00
Chris Lattner
63a9548591 Add test for: (A|B)^B == A & (~B) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5727 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 18:24:04 +00:00
Chris Lattner
a66e2fa195 Modernize testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5726 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-10 18:20:53 +00:00
Misha Brukman
3d87b42bf9 The word 'independent' has no 'a'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5724 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-08 23:59:05 +00:00
Chris Lattner
10f22cb1a0 Make sure that intermediate code is verifier clean to avoid wierd problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5723 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-07 18:17:13 +00:00
Chris Lattner
3a43837d85 Fix bug: SimplifyCFG/2003-03-07-DominateProblem.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5722 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-07 18:13:41 +00:00
Chris Lattner
5db057fbb0 New testcase 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5721 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-07 17:42:55 +00:00
Chris Lattner
38d8773650 Clean up cruft 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5720 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 23:23:32 +00:00
Chris Lattner
a5ae71a137 Extend struct and array constants to support isNullValue 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5719 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 21:02:43 +00:00
Chris Lattner
27accf7692 Remove #include 
Extend getNullValue to work with struct and array types


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5718 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 21:02:18 +00:00
Chris Lattner
42289a3010 Update testcases to use long to index gep 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5717 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 19:59:08 +00:00
Chris Lattner
036b8aa030 Infrastructure for more compact bytecode files and REAL support for versioning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5716 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 17:55:45 +00:00
Chris Lattner
6e5a0e4e89 s/Method/Function in variable and method names 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5715 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 17:18:14 +00:00
Chris Lattner
2a7b6bab7a Continue simplifying error handling, s/method/function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5714 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 17:15:19 +00:00
Chris Lattner
b6c46959fd Cleanup error handling constructs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5713 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 17:03:28 +00:00
Chris Lattner
09abe6aba3 Pull common code out 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5712 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 16:50:32 +00:00
Chris Lattner
fade83f62f Generalize interface a bit 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5711 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 16:50:21 +00:00
Chris Lattner
3e76157d5a Remove unneccesary forward decl 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5710 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 16:37:29 +00:00
Chris Lattner
566f0ee4ed Add new getIncomingValueForBlock method 
Relax a bit about constness


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5709 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 16:36:28 +00:00
Chris Lattner
0d75d8d73e Use the std namespace explicitly 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5708 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-06 16:32:25 +00:00
Chris Lattner
556b50c193 Add a link to source of inspiration 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5707 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 23:02:25 +00:00
Chris Lattner
2fc36e42ca New testcase for pow builtin recognition 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5706 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 22:56:59 +00:00
Chris Lattner
8e019aa9c9 Add another testcase that may eventually be handled... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5705 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 22:50:55 +00:00
Chris Lattner
decd0812ec Implement %test7 in InstCombine/getelementptr.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5704 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 22:33:14 +00:00
Chris Lattner
4872eaf189 Add testcase for new instcombine xform 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5703 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 22:32:48 +00:00
Chris Lattner
46a5f1f6e4 Implement CFGSimplify/PhiBlockMerge*.ll 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5702 91177308-0d34-0410-b5e6-96231b3b80d8
 2003-03-05 21:36:33 +00:00