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llvm-project/llvm/test/Transforms/LoopStrengthReduce
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Sanjoy Das 913dfd8f7f Fix bug 22641 
The bug was a result of getPreStartForExtend interpreting nsw/nuw
flags on an add recurrence more strongly than is legal.  {S,+,X}<nsw>
implies S+X is nsw only if the backedge of the loop is taken at least
once.

Differential Revision: http://reviews.llvm.org/D7808

llvm-svn: 230275
2015-02-23 22:55:13 +00:00
..
AArch64
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
ARM
[ARM] Re-re-apply VLD1/VST1 base-update combine.
2015-02-19 23:52:41 +00:00
X86
[X86] Reduce some 32-bit imuls into lea + shl
2015-01-28 14:08:22 +00:00
2005-08-15-AddRecIV.ll
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2005-08-17-OutOfLoopVariant.ll
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2005-09-12-UsesOutOutsideOfLoop.ll
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2007-04-23-UseIterator.ll
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2008-08-13-CmpStride.ll
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2008-09-09-Overflow.ll
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2009-01-13-nonconstant-stride-outside-loop.ll
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2009-04-28-no-reduce-mul.ll
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2011-07-19-CritEdgeBreakCrash.ll
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2011-10-03-CritEdgeMerge.ll
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2011-10-06-ReusePhi.ll
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2011-10-13-SCEVChain.ll
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2011-10-14-IntPtr.ll
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2011-12-19-PostincQuadratic.ll
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2012-01-02-nopreheader.ll
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2012-01-16-nopreheader.ll
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2012-03-15-nopreheader.ll
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2012-03-26-constexpr.ll
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2012-07-13-ExpandUDiv.ll
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2012-07-18-LimitReassociate.ll
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2013-01-05-IndBr.ll
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2013-01-14-ReuseCast.ll
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addrec-gep-address-space.ll
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addrec-gep.ll
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address-space-loop.ll
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count-to-zero.ll
Fix bug 22641
2015-02-23 22:55:13 +00:00
dead-phi.ll
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different-type-ivs.ll
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dominate-assert.ll
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dont_insert_redundant_ops.ll
Convert test to FileCheck
2014-04-23 19:32:37 +00:00
dont_reduce_bytes.ll
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dont_reverse.ll
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dont-hoist-simple-loop-constants.ll
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exit_compare_live_range.ll
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hoist-parent-preheader.ll
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invariant_value_first_arg.ll
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invariant_value_first.ll
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ivchain.ll
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lsr-expand-quadratic.ll
Fix broken CHECK lines.
2014-01-11 21:06:00 +00:00
nested-reduce.ll
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nonlinear-postinc.ll
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ops_after_indvar.ll
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phi_node_update_multiple_preds.ll
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post-inc-icmpzero.ll
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pr2537.ll
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pr2570.ll
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pr3086.ll
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pr3399.ll
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pr3571.ll
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pr12018.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
pr12048.ll
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pr12691.ll
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pr18165.ll
IR: Make metadata typeless in assembly
2014-12-15 19:07:53 +00:00
preserve-gep-loop-variant.ll
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quadradic-exit-value.ll
Fix LSR: don't normalize quadratic recurrences.
2013-10-25 21:35:52 +00:00
related_indvars.ll
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remove_indvar.ll
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scaling_factor_cost_crash.ll
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share_code_in_preheader.ll
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share_ivs.ll
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uglygep-address-space.ll
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uglygep.ll
Fix bug 22641
2015-02-23 22:55:13 +00:00
use_postinc_value_outside_loop.ll
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var_stride_used_by_compare.ll
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variable_stride.ll
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