Dan Gohman 0196dc5733 Fix the expansion of umax and smax in the case where one or more of ...

the operands have pointer type, so that the resulting type matches
the original SCEV type, and so that unnecessary ptrtoints are
avoided in common cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75680 91177308-0d34-0410-b5e6-96231b3b80d8

2009-07-14 20:57:04 +00:00

..

2002-09-09-PointerIndVar.ll

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2003-04-16-ExprAnalysis.ll

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2003-09-12-MultiplePred.ll

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2003-09-23-NotAtTop.ll

Teach SCEVExpander's visitAddRecExpr to reuse an existing canonical

2009-06-13 16:25:49 +00:00

2003-12-10-IndVarDeadCode.ll

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2003-12-10-RemoveInstrCrash.ll

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2003-12-15-Crash.ll

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2003-12-21-IndVarSize.ll

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2004-03-10-PHIInsertionBug.ll

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2004-04-05-InvokeCastCrash.ll

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2004-04-07-ScalarEvolutionCrash.ll

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2005-02-11-InvokeCrash.ll

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2005-02-17-TruncateExprCrash.ll

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2005-02-26-ExitValueCompute.ll

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2005-06-15-InstMoveCrash.ll

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2005-11-18-Crash.ll

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2006-03-31-NegativeStride.ll

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2006-06-16-Indvar-LCSSA-Crash.ll

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2006-09-20-LFTR-Crash.ll

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2006-12-10-BitCast.ll

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

2007-01-06-TripCount.ll

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2007-01-08-X86-64-Pointer.ll

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2007-06-06-DeleteDanglesPtr.ll

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2007-11-23-BitcastCrash.ll

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2008-06-15-SCEVExpanderBug.ll

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2008-09-02-IVType.ll

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2008-10-03-CouldNotCompute.ll

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2008-11-03-Floating.ll

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

2008-11-17-Floating.ll

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

2008-11-25-APFloatAssert.ll

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

2009-04-14-shorten_iv_vars.ll

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2009-04-15-shorten-iv-vars-2.ll

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2009-04-22-IndvarCrash.ll

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2009-04-27-Floating.ll

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

2009-05-24-useafterfree.ll

The rewriter may hold references to instructions that are deleted because they are trivially dead.

2009-05-24 14:23:16 +00:00

ada-loops.ll

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addrec-gep.ll

Generalize SCEVExpander::visitAddRecExpr's GEP persuit, and avoid

2009-05-24 18:06:31 +00:00

ashr-tripcount.ll

Generalize isLoopGuardedByCond's checking to consider two

2009-06-20 00:35:32 +00:00

avoid-i0.ll

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casted-argument.ll

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complex-scev.ll

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dg.exp

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divide-pointer.ll

In cases where a pointer value is an operand of a multiplication or

2009-05-26 17:41:16 +00:00

exit_value_tests.ll

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gep-with-mul-base.ll

Generalize SCEVExpander::visitAddRecExpr's GEP persuit, and avoid

2009-05-24 18:06:31 +00:00

interesting-invoke-use.ll

Teach IndVarSimplify's FixUsesBeforeDefs to handle InvokeInsts by

2009-05-22 16:47:11 +00:00

iterationCount_zext_or_trunc.ll

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iv-sext.ll

Reapply 75252, with a fix to avoid the infinite recursion case. The

2009-07-13 21:35:55 +00:00

iv-zext.ll

Split the Add, Sub, and Mul instruction opcodes into separate

2009-06-04 22:49:04 +00:00

lftr_simple.ll

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lftr-other-uses.ll

When rewriting the loop exit test with the canonical induction variable,

2009-05-24 19:11:38 +00:00

loop_evaluate7.ll

Simplify [su]max(MAX, n) to MAX. This comes up in loop tripcount

2009-06-24 14:46:22 +00:00

loop_evaluate8.ll

Simplify [su]max(MAX, n) to MAX. This comes up in loop tripcount

2009-06-24 14:46:22 +00:00

loop_evaluate9.ll

Update LoopSimplify and LoopUnswitch to use the new makeLoopInvariant

2009-07-14 01:37:59 +00:00

loop_evaluate10.ll

Fix indvars to not assume that a loop with a single unique exit

2009-07-14 01:09:02 +00:00

loop_evaluate11.ll

Add a testcase for a bug fixed by r75634.

2009-07-14 18:15:00 +00:00

loop_evaluate_1.ll

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loop_evaluate_2.ll

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loop_evaluate_3.ll

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loop_evaluate_4.ll

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loop_evaluate_5.ll

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loop_evaluate_6.ll

Fix ScalarEvolution's backedge-taken count computations to check for

2009-06-21 23:46:38 +00:00

loop-invariant-step.ll

Add some testcases for some of the recent ScalarEvolution bug fixes.

2009-06-26 22:54:11 +00:00

masked-iv.ll

Remove the code from IVUsers that attempted to handle

2009-06-18 16:54:06 +00:00

max-pointer.ll

Fix the expansion of umax and smax in the case where one or more of

2009-07-14 20:57:04 +00:00

phi-uses-value-multiple-times.ll

When a value is used multiple times within a single PHI, instructions

2009-06-27 05:16:57 +00:00

pointer-indvars.ll

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pointer.ll

Implement more aggressive folding of add operand lists when

2009-06-14 22:58:51 +00:00

preserve-gep-remainder.ll

Teach SCEVExpander to avoid creating over-indexed GEP indices when

2009-05-27 02:00:53 +00:00

preserve-gep.ll

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preserve-signed-wrap.ll

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promote-iv-to-eliminate-casts.ll

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shrunk-constant.ll

Remove the code from IVUsers that attempted to handle

2009-06-18 16:54:06 +00:00

signed-trip-count.ll

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subtract.ll

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tripcount_compute.ll

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tripcount_infinite.ll

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variable-stride-ivs-0.ll

Don't attempt to simplify an non-affine IV expression if it can't

2009-06-03 19:11:31 +00:00

variable-stride-ivs-1.ll

Don't attempt to simplify an non-affine IV expression if it can't

2009-06-03 19:11:31 +00:00