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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
2003-03-31Initial 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
2003-03-31* 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
2003-03-27*** 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
2003-03-19* 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
2003-03-11Add 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
2003-03-10Implement: -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 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
2003-03-10Generalize 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
2003-03-10Fix 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
2003-03-10Minor change, no functionality diffChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5731 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-10Fix 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
2003-03-07Fix 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
2003-03-06Clean up cruftChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5720 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
2003-03-06Infrastructure 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
2003-03-06Continue simplifying error handling, s/method/functionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5714 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Cleanup error handling constructsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5713 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Pull common code outChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5712 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Remove unneccesary forward declChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5710 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-06Use the std namespace explicitlyChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5708 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-05Implement %test7 in InstCombine/getelementptr.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5704 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-05Implement CFGSimplify/PhiBlockMerge*.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5702 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-05Simplify some of the PHI node interfacesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5700 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-05Implement testcase CFGSimplify/EqualPHIEdgeBlockMerge.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5699 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-04Fix bug: BasicAA/2003-03-04-GEPCrash.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5695 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-03Convert LICM over to use AliasSetTracker. Besides being nicer, this ↵Chris Lattner
automatically allows LICM to use access sizes to help alias analysis be more precise. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5693 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-03Fix bug: Assembler/2003-03-03-DuplicateConstant.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5692 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-03ADd two new 'add' methodsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5691 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-03Eliminate tons of bogus warningsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5686 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-03Change the mem2reg interface to accept a TargetData argumentChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5685 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-03Don't apply type information to load instructions if it will cause collapsingChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5684 91177308-0d34-0410-b5e6-96231b3b80d8
2003-03-02Fix a problem with negative indexesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5681 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-28Fix bug: LICM/2003-02-28-PromoteDifferentType.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5675 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-28Add dump method for LoopsChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5671 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-28Fix bug I introduced yesterday :(Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5669 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-28Fix bug: LICM/2003-02-27-PreheaderExitNodeUpdate.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5667 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-27Fix bug: 2003-02-27-PreheaderExitNodeUpdate.ll by updating exit node infoChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5664 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-27Simplify a bit by using a new member functionChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5662 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-27Change behavior of changeExitBlock function to replace all instances of exit ↵Chris Lattner
block git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5661 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-27Add a new assertion to check that stuff is happening rightChris Lattner
Ironically the exit block modification code wasn't updating the exit block information itself. Fix this. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5659 91177308-0d34-0410-b5e6-96231b3b80d8
2003-02-27Fix bug: 2003-02-27-StoreSinkPHIs.llChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5658 91177308-0d34-0410-b5e6-96231b3b80d8
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