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2007-09-25Handle multiple induction variables.Devang Patel
This fixes PR714. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42309 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-25Add transformation to update loop interation space. Now,Devang Patel
for (i=A; i<N; i++) { if (i < X && i > Y) do_something(); } is transformed into U=min(N,X); L=max(A,Y); for (i=L;i<U;i++) do_somethihg(); git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42299 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-21Fix PR1692Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42209 91177308-0d34-0410-b5e6-96231b3b80d8
2007-09-10Filter exit conditions which are not yet handled.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41800 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-25Constant split values needs upper bound and lower bound check, just like any ↵Devang Patel
other split value. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41389 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-25While calculating upper loop bound for first loop and lower loop bound for ↵Devang Patel
second loop, take care of edge cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41387 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-20Do not split loops rejected by processOneIterationLoop().Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41194 91177308-0d34-0410-b5e6-96231b3b80d8
2007-08-17Add loop index split tests.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41146 91177308-0d34-0410-b5e6-96231b3b80d8