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2003-04-06added some memory for clone functionGuochun Shi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5765 91177308-0d34-0410-b5e6-96231b3b80d8
2003-04-06change the include file names and some class names to make it compileGuochun Shi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5764 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31Implement scanf and fix sscanf to actually endian swap the results correctlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5763 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31Update to work with newer versions of bisonChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5762 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31Initial checkin of PRE testChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5761 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31Initial checkin of PRE testsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5760 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31Initial checkin of PRE on LLVM. This implementation is still lacking inChris Lattner
several ways: * Load expressions are not PRE'd well. Alias Analysis should be used to get accurate information when computing anticipatibility. * The expression collection implementation does not handle PHI nodes properly, thus the implementation misses many opportunities to PRE. * This code could be sped up quite a bit Despite these flaws, the code seems to work well, and handles PR's as one would expect. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5759 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31Minor tweakChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5758 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31* We now preserve the no-critical-edge pass (because we cannot insert ↵Chris Lattner
critical edges) * Small modification to be more efficient git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5757 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-31Add getAnalysisUsage methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5756 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-27*** empty log message ***Guochun Shi
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5755 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-21Move BreakCriticalEdges pass to lib/Transforms/UtilsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5754 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-21Add helper methodChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5753 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-21Update commentChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5752 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-20Add more graph traits specializations for dominator tree nodesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5751 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-19* Change the order that globals and constants are processed inChris Lattner
* Add support for implicit zero initializers git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5750 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-19Changes to the V2 bytecode format:Chris Lattner
- 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* Bug fixes:Chris Lattner
- 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
2003-03-19Add new chunk typeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5747 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-18Fix testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5746 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-17Fix problems with BitSetVector that makes it not compile under GCC 3.0 and 2.95Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5745 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-14Fix several bugs in the build system, including the use of the Debug version ↵Chris Lattner
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
2003-03-11Add the following instcombine xforms:Chris Lattner
- 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
2003-03-11Test limited reassociationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5742 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Add optimizations:Chris Lattner
- (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
2003-03-10Implement: -A*-B == A*BChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5740 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Add testcases for negated multipliesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5739 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Add new transformation: // (~A | ~B) == (~(A & B))Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5738 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Add test for demorgans law with constantsChris Lattner
Add test for other form of demorgans git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5737 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Generalize not and neg comparison testers to allow constant to be considered ↵Chris Lattner
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* Add testcases for associative operatorsChris Lattner
* 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
2003-03-10Fix ConstantUInt::isAllOnesValueChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5734 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Generalize (A+c1)+c2 optimization to work with all associative operatorsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5733 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Modernize testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5732 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Minor change, no functionality diffChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5731 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Add a bunch of new testsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5730 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Fix bug: (x << 100) wasn't folded to 0, but (x >> 100) was (when x is unsigned)Chris Lattner
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
2003-03-10Implement: (A|B)^B == A & (~B)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5728 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Add test for: (A|B)^B == A & (~B)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5727 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Modernize testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5726 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-08The word 'independent' has no 'a'.Misha Brukman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5724 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-07Make sure that intermediate code is verifier clean to avoid wierd problems.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5723 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-07Fix bug: SimplifyCFG/2003-03-07-DominateProblem.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5722 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-07New testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5721 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Clean up cruftChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5720 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Extend struct and array constants to support isNullValueChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5719 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Remove #includeChris Lattner
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
2003-03-06Update testcases to use long to index gepChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5717 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Infrastructure for more compact bytecode files and REAL support for versioningChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5716 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06s/Method/Function in variable and method namesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5715 91177308-0d34-0410-b5e6-96231b3b80d8
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