Devang Patel b23c232fc8 Loop Index Split can eliminate a loop if it can determin if loop body is executed only once. There was a bug in determining IV based value of the iteration for which the loop body is executed. Fix it. ...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68071 91177308-0d34-0410-b5e6-96231b3b80d8

2009-03-30 22:24:10 +00:00

..

2007-09-21-LoopBound.ll

Fix PR1692

2007-09-21 21:18:19 +00:00

2007-09-24-UpdateIterationSpace.ll

Rewrite code that 1) filters loops and 2) calculates new loop bounds.

2008-12-04 21:38:42 +00:00

2007-09-25-UpdateIterationSpace-2.ll

Rewrite code that 1) filters loops and 2) calculates new loop bounds.

2008-12-04 21:38:42 +00:00

2008-01-28-IndDecrement.ll

Filter loops that subtract induction variables.

2008-01-29 02:20:41 +00:00

2008-02-08-Crash.ll

Fix PR 1995.

2008-02-08 22:49:13 +00:00

2008-02-13-ExitValueNum.ll

Keep track of exit value operand number when operands are swapped.

2008-02-13 19:48:48 +00:00

2008-02-13-LoopLatch.ll

While moving exit condition, do not drop loop latch on the floor.

2008-02-13 22:06:36 +00:00

2008-02-13-LoopLatchPHI.ll

A loop latch phi node may have uses inside loop, not just in loop header.

2008-02-13 22:23:07 +00:00

2008-02-14-Crash.ll

If loop header is also loop exiting block then OrigPN is incoming value for B loop header.

2008-02-14 23:18:47 +00:00

2008-03-24-ExitPhi.ll

Add incoming value from header only if phi node has any use inside the loop.

2008-03-24 20:16:14 +00:00

2008-05-19-IndVar.ll

Do not ignore iv uses outside the loop.

2008-09-17 17:53:47 +00:00

2008-06-03-DomFrontier.ll

Testcase for LoopIndexSplit and DomFrontier.

2008-06-03 18:32:27 +00:00

2008-07-08-MisCompilation.ll

If loop induction variable's start value is less then its exit value then do not split the loop.

2008-07-09 00:12:01 +00:00

2008-09-17-IVUse.ll

Do not ignore iv uses outside the loop.

2008-09-17 17:53:47 +00:00

2008-09-20-Crash.ll

splitLoop does not handle split condition EQ.

2008-09-18 23:45:14 +00:00

2008-10-06-Crash.ll

Fix typo, fix PR 2865.

2008-10-06 23:22:54 +00:00

2008-10-10-OneIteration.ll

Rewrite code that 1) filters loops and 2) calculates new loop bounds.

2008-12-04 21:38:42 +00:00

2008-11-10-Sign.ll

If the sign of exit condition and split condition does not match

2008-11-10 19:48:34 +00:00

2009-03-02-UpdateIterationSpace-crash.ll

If branch conditions' one successor is dominating another non-latch successor then this loop's iteration space can not be restricted. In this example block bb5 is always executed.

2009-03-02 23:39:14 +00:00

2009-03-30-undef.ll

Loop Index Split can eliminate a loop if it can determin if loop body is executed only once. There was a bug in determining IV based value of the iteration for which the loop body is executed. Fix it.

2009-03-30 22:24:10 +00:00

Crash2-2007-08-17.ll

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Crash-2007-08-17.ll

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Crash-2007-12-03.ll

If ExitValue operand is also defined in Loop header then

2007-12-03 19:17:21 +00:00

dg.exp

sabre brings to my attention that the 'tr' suffix is also obsolete

2008-05-20 21:00:03 +00:00

ExitCondition-2007-09-10.ll

Filter exit conditions which are not yet handled.

2007-09-10 18:33:42 +00:00

OneIterLoop2-2007-08-17.ll

Rewrite code that 1) filters loops and 2) calculates new loop bounds.

2008-12-04 21:38:42 +00:00

OneIterLoop3-2007-08-17.ll

Do not ignore iv uses outside the loop.

2008-09-17 17:53:47 +00:00

OneIterLoop-2007-08-17.ll

Rewrite code that 1) filters loops and 2) calculates new loop bounds.

2008-12-04 21:38:42 +00:00

SaveLastValue-2007-08-17.ll

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SplitValue-2007-08-24-dbg.ll

Ignore DbgInfoIntrinsics.

2009-02-06 06:19:06 +00:00

SplitValue-2007-08-24.ll

While calculating upper loop bound for first loop and lower loop bound for second loop, take care of edge cases.

2007-08-25 00:56:38 +00:00

UpperBound-2007-08-24.ll

Constant split values needs upper bound and lower bound check, just like any other split value.

2007-08-25 01:09:14 +00:00