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2008-10-06Fix typo, fix PR 2865.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57221 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-18splitLoop does not handle split condition EQ.Devang Patel
Fixes PR 2805 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56321 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-17Do not ignore iv uses outside the loop.Devang Patel
This one slipped through cracks very well. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56284 91177308-0d34-0410-b5e6-96231b3b80d8
2008-07-09If loop induction variable's start value is less then its exit value then do ↵Devang Patel
not split the loop. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53265 91177308-0d34-0410-b5e6-96231b3b80d8
2008-06-03Testcase for LoopIndexSplit and DomFrontier.Owen Anderson
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51916 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-20sabre brings to my attention that the 'tr' suffix is also obsoleteGabor Greif
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-20Rename the last test with .llx extension to .ll, resolve duplicate test by ↵Gabor Greif
renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51328 91177308-0d34-0410-b5e6-96231b3b80d8
2008-05-19Do not erase induction variable increment if it is used outside the loop.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51280 91177308-0d34-0410-b5e6-96231b3b80d8
2008-03-24Add incoming value from header only if phi node has any use inside the loop.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48738 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-14If loop header is also loop exiting block then OrigPN is incoming value for ↵Devang Patel
B loop header. Fixes PR 2030. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47141 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-13A loop latch phi node may have uses inside loop, not just in loop header.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47093 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-13While moving exit condition, do not drop loop latch on the floor.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47089 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-13Keep track of exit value operand number when operands are swapped.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47082 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-08Fix PR 1995.Devang Patel
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46898 91177308-0d34-0410-b5e6-96231b3b80d8
2008-01-29Filter loops that subtract induction variables.Devang Patel
These loops are not yet handled. Fix PR 1912. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46484 91177308-0d34-0410-b5e6-96231b3b80d8
2007-12-03If ExitValue operand is also defined in Loop header thenDevang Patel
insert new ExitValue after this operand definition. This fixes PR1828. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44539 91177308-0d34-0410-b5e6-96231b3b80d8
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
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