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llvm-6502/test/Transforms/LoopStrengthReduce
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Jingyue Wu 8e7e3650af [LSR] don't attempt to promote ephemeral values to indvars 
Summary:
This at least saves compile time. I also encountered a case where
ephemeral values affect whether other variables are promoted, causing
performance issues. It may be a bug in LSR, but I didn't manage to
reduce it yet. Anyhow, I believe it's in general not worth considering
ephemeral values in LSR.

Reviewers: atrick, hfinkel

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D11115

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@242011 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-13 03:28:53 +00:00
..
AArch64
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
ARM
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
X86
[TwoAddressInstructionPass] Try 3 Addr Conversion After Commuting.
2015-07-01 23:12:13 +00:00
2005-08-15-AddRecIV.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2005-08-17-OutOfLoopVariant.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2005-09-12-UsesOutOutsideOfLoop.ll
…
2007-04-23-UseIterator.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2008-08-13-CmpStride.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2008-09-09-Overflow.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2009-01-13-nonconstant-stride-outside-loop.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2009-04-28-no-reduce-mul.ll
[opaque pointer type] Add textual IR support for explicit type parameter to gep operator
2015-03-13 18:20:45 +00:00
2011-07-19-CritEdgeBreakCrash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2011-10-03-CritEdgeMerge.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
2011-10-06-ReusePhi.ll
[LSR] canonicalize Prod*(1<<C) to Prod<<C
2015-06-24 19:28:40 +00:00
2011-10-13-SCEVChain.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2011-10-14-IntPtr.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2011-12-19-PostincQuadratic.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2012-01-02-nopreheader.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2012-01-16-nopreheader.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
2012-03-15-nopreheader.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2012-03-26-constexpr.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2012-07-13-ExpandUDiv.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
2012-07-18-LimitReassociate.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
2013-01-05-IndBr.ll
…
2013-01-14-ReuseCast.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
addrec-gep-address-space.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
addrec-gep.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
address-space-loop.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
count-to-zero.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
dead-phi.ll
…
different-type-ivs.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
dominate-assert.ll
Move the personality function from LandingPadInst to Function
2015-06-17 20:52:32 +00:00
dont_insert_redundant_ops.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
dont_reduce_bytes.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
dont_reverse.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
dont-hoist-simple-loop-constants.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
ephemeral.ll
[LSR] don't attempt to promote ephemeral values to indvars
2015-07-13 03:28:53 +00:00
exit_compare_live_range.ll
…
hoist-parent-preheader.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
invariant_value_first_arg.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
invariant_value_first.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
ivchain.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
lsr-expand-quadratic.ll
…
negative-scale.ll
[NoTTI] reject negative scale in addressing mode
2015-05-08 18:07:24 +00:00
nested-reduce.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
nonlinear-postinc.ll
…
ops_after_indvar.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
phi_node_update_multiple_preds.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
post-inc-icmpzero.ll
[LSR] canonicalize Prod*(1<<C) to Prod<<C
2015-06-24 19:28:40 +00:00
pr2537.ll
…
pr2570.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
pr3086.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
pr3399.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
pr3571.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
pr12018.ll
IR: Give 'DI' prefix to debug info metadata
2015-04-29 16:38:44 +00:00
pr12048.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
pr12691.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
pr18165.ll
[opaque pointer type] Add textual IR support for explicit type parameter to the call instruction
2015-04-16 23:24:18 +00:00
preserve-gep-loop-variant.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
quadradic-exit-value.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
related_indvars.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
remove_indvar.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00
scaling_factor_cost_crash.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
share_code_in_preheader.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +00:00
share_ivs.ll
…
shl.ll
[LSR] canonicalize Prod*(1<<C) to Prod<<C
2015-06-24 19:28:40 +00:00
uglygep-address-space.ll
[opaque pointer type] Add textual IR support for explicit type parameter to load instruction
2015-02-27 21:17:42 +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
use_postinc_value_outside_loop.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
var_stride_used_by_compare.ll
[opaque pointer type] Add textual IR support for explicit type parameter to getelementptr instruction
2015-02-27 19:29:02 +00:00
variable_stride.ll
Make DataLayout Non-Optional in the Module
2015-03-04 18:43:29 +00:00