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8 Commits

Author SHA1 Message Date
Eric Christopher
c723eb1aef Revert "IntRange:" as it appears to be breaking self hosting. 
This reverts commit b2833d9dcb.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159618 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-02 23:22:21 +00:00
Stepan Dyatkovskiy
b2833d9dcb IntRange: 
- Changed isSingleNumber method behaviour. Now this flag is calculated on demand.
IntegersSubsetMapping
  - Optimized diff operation.
  - Replaced type of Items field from std::list with std::map.
  - Added new methods:
    bool isOverlapped(self &RHS)
    void add(self& RHS, SuccessorClass *S)
    void detachCase(self& NewMapping, SuccessorClass *Succ)
    void removeCase(SuccessorClass *Succ)
    SuccessorClass *findSuccessor(const IntTy& Val)
    const IntTy* getCaseSingleNumber(SuccessorClass *Succ)
IntegersSubsetTest
  - DiffTest: Added checks for successors.
SimplifyCFG
  Updated SwitchInst usage (now it is case-ragnes compatible) for
    - SimplifyEqualityComparisonWithOnlyPredecessor
    - FoldValueComparisonIntoPredecessors



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159527 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-07-02 13:02:18 +00:00
Stepan Dyatkovskiy
0e20eb496e IntegersSubsetTest: Due to compilation failure with -std=c11, replaced -1UL with NOT_A_NUMBER constant (0xffff). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159207 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-26 16:08:20 +00:00
Stepan Dyatkovskiy
b787d41959 IntegersSubsetMapping: implemented "diff" operation. Operation allows at the same time perform up to three operations: 
- LHS exclude RHS
- LHS intersect RHS (LHS successors will keeped)
- RHS exclude LHS
The complexity is N+M, where
  N is size of LHS
  M is size of RHS.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159201 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-26 11:57:43 +00:00
Stepan Dyatkovskiy
0f7a7bcd48 IntegersSubsetMapping: removed exclude operation, it will replaced with more universal "diff" operation in next commit. 
Changes was separated onto two commits for better readability.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159200 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-26 11:41:47 +00:00
Stepan Dyatkovskiy
5d59b0b38e IntegersSubsetMapping: added exclude operation, that allows to exclude subset of integers from current mapping. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157989 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-05 07:57:36 +00:00
Stepan Dyatkovskiy
20cb4919cd IntegersSubsetMapping: 
Changed type of Items collection: from std::vector to std::list.
Also some small fixes made in IntegersSubset.h, IntegersSubsetMapping.h and IntegersSubsetTest.cpp.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157987 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-05 07:43:08 +00:00
Stepan Dyatkovskiy
31219d2cec Added unittests for IntegersSubset and IntegersSubsetMapping. 
- Fixed IntegersSubsetGeneric copy/assignment behaviour. 
- Fixed IntegersSubsetGeneric::getSize/getSingleValue methods.
- Fixed IntegersSubsetGeneric::verify method.

Also IntegersSubset.h and IntegersSubsetMapping.h headers was fixed.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157887 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-06-02 13:47:12 +00:00