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3b821159da170b233a3ba8c12ce47ee6662946f0
archived-llvm/test/Transforms/IndVarSimplify
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Wei Mi 61897e8564 Enable exitValue rewrite only when the cost of expansion is low. 
The patch evaluates the expansion cost of exitValue in indVarSimplify pass, and only does the rewriting when the expansion cost is low or loop can be deleted with the rewriting. It provides an option "-replexitval=" to control the default aggressiveness of the exitvalue rewriting. It also fixes some missing cases in SCEVExpander::isHighCostExpansionHelper to enhance the evaluation of SCEV expansion cost.

Differential Revision: http://reviews.llvm.org/D9800


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238507 91177308-0d34-0410-b5e6-96231b3b80d8
2015-05-28 21:49:07 +00:00
..
NVPTX
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2002-09-09-PointerIndVar.ll
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2003-04-16-ExprAnalysis.ll
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2003-09-23-NotAtTop.ll
Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID
2012-12-30 01:28:40 +00:00
2003-12-10-RemoveInstrCrash.ll
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2003-12-15-Crash.ll
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2004-03-10-PHIInsertionBug.ll
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2004-04-05-InvokeCastCrash.ll
Move TargetData to DataLayout.
2012-10-08 16:39:34 +00:00
2004-04-07-ScalarEvolutionCrash.ll
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2005-02-11-InvokeCrash.ll
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2005-02-17-TruncateExprCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2005-02-26-ExitValueCompute.ll
Convert all tests using TCL-style quoting to use shell-style quoting.
2012-07-02 12:47:22 +00:00
2005-06-15-InstMoveCrash.ll
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2005-11-18-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2006-03-31-NegativeStride.ll
Convert all tests using TCL-style quoting to use shell-style quoting.
2012-07-02 12:47:22 +00:00
2006-06-16-Indvar-LCSSA-Crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2006-09-20-LFTR-Crash.ll
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2006-12-10-BitCast.ll
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2007-01-06-TripCount.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
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
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
2008-10-03-CouldNotCompute.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2008-11-25-APFloatAssert.ll
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2009-04-14-shorten_iv_vars.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2009-04-15-shorten-iv-vars-2.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2009-04-22-IndvarCrash.ll
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2009-04-27-Floating.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
2009-05-24-useafterfree.ll
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2011-09-10-widen-nsw.ll
This patch teaches IndVarSimplify to add nuw and nsw to certain kinds
2015-01-06 19:02:56 +00:00
2011-09-19-vectoriv.ll
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2011-09-27-hoistsext.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2011-10-27-lftrnull.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2011-11-01-lftrptr.ll
Verifier: Call verifyModule() from llc and opt
2015-03-27 22:04:28 +00:00
2011-11-15-multiexit.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2011-11-17-selfphi.ll
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.
2013-07-14 01:42:54 +00:00
2012-07-17-lftr-undef.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2012-10-19-congruent-constant.ll
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.
2013-07-14 01:42:54 +00:00
2014-06-21-congruent-constant.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
ada-loops.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
ashr-tripcount.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
avoid-i0.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
backedge-on-min-max.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
casted-argument.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
crash.ll
Tests: rewrite 'opt ... %s' to 'opt ... < %s' so that opt does not emit a ModuleID
2012-12-30 02:33:22 +00:00
dangling-use.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
divide-pointer.ll
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dont-recompute.ll
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.
2013-07-14 01:42:54 +00:00
elim-extend.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
eliminate-comparison.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
eliminate-max.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
eliminate-rem.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
exit_value_test2.ll
Enable exitValue rewrite only when the cost of expansion is low.
2015-05-28 21:49:07 +00:00
exit_value_test3.ll
Enable exitValue rewrite only when the cost of expansion is low.
2015-05-28 21:49:07 +00:00
exit_value_tests.ll
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floating-point-iv.ll
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.
2013-07-14 01:42:54 +00:00
indirectbr.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
interesting-invoke-use.ll
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iterationCount_zext_or_trunc.ll
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iv-fold.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
iv-sext.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
iv-widen.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
iv-zext.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
lcssa-preservation.ll
Enable exitValue rewrite only when the cost of expansion is low.
2015-05-28 21:49:07 +00:00
lftr_simple.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
lftr-address-space-pointers.ll
Revert some changes that were made to fix PR20680.
2015-03-02 21:41:07 +00:00
lftr-extend-const.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
lftr-other-uses.ll
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lftr-promote.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
lftr-reuse.ll
Revert some changes that were made to fix PR20680.
2015-03-02 21:41:07 +00:00
lftr-udiv-tripcount.ll
[SCEV] Strengthen SCEVExpander::isHighCostExpansion.
2015-04-14 03:20:32 +00:00
lftr-zext.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
loop_evaluate7.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
loop_evaluate8.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
loop_evaluate9.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
loop_evaluate10.ll
Fix the remaining TCL-style quotes found in the testsuite. This is
2012-07-02 19:09:46 +00:00
loop_evaluate11.ll
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loop_evaluate_1.ll
Add test case for PR12377, it was fixed by r194116.
2013-11-06 11:55:41 +00:00
loop_evaluate_2.ll
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loop_evaluate_3.ll
Convert all tests using TCL-style quoting to use shell-style quoting.
2012-07-02 12:47:22 +00:00
loop_evaluate_4.ll
Convert all tests using TCL-style quoting to use shell-style quoting.
2012-07-02 12:47:22 +00:00
loop_evaluate_5.ll
Convert all tests using TCL-style quoting to use shell-style quoting.
2012-07-02 12:47:22 +00:00
loop_evaluate_6.ll
Rewrite SCEV's backedge taken count computation.
2013-11-06 02:08:26 +00:00
masked-iv.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
no-iv-rewrite.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
overflowcheck.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
phi-uses-value-multiple-times.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
polynomial-expand.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
pr18223.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
pr20680.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
pr22222.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
preserve-signed-wrap.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
promote-iv-to-eliminate-casts.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
sharpen-range.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
shrunk-constant.ll
Convert all tests using TCL-style quoting to use shell-style quoting.
2012-07-02 12:47:22 +00:00
signed-trip-count.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
single-element-range.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
sink-alloca.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
sink-trapping.ll
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strengthen-overflow.ll
Fix PR22222
2015-01-15 01:46:09 +00:00
tripcount_compute.ll
Fix PR18449: SCEV needs more precise max BECount for multi-exit loop.
2014-01-15 06:42:11 +00:00
tripcount_infinite.ll
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udiv-invariant-but-traps.ll
Update Transforms tests to use CHECK-LABEL for easier debugging. No functionality change.
2013-07-14 01:42:54 +00:00
udiv.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
uglygep.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
ult-sub-to-eq.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
use-range-metadata.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
variable-stride-ivs-0.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
variable-stride-ivs-1.ll
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verify-scev.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
widen-loop-comp.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
widen-nsw.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00