Max Kazantsev f3e2f26378 [IndVars] Expand icmp in preheader rather than in loop ...

The motivation is that 'createInvariantCond' unconditionally
builds icmp in the loop block,  while it could always do it
in preheader. Build it in preheader instead.

Patch by Aleksandr Popov!

Differential Revision: https://reviews.llvm.org/D141994
Reviewed By: nikic

2023-01-25 14:41:29 +07:00

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2009-04-14-shorten_iv_vars.ll

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

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2011-11-15-multiexit.ll

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deterministic-scev-verify.ll

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eliminate-congruent-ivs.ll

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eliminate-trunc.ll

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huge_muls.ll

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indvar-debug-value2.ll

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indvar-debug-value.ll

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inner-loop-by-latch-cond.ll

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inner-loop.ll

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iv-widen.ll

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lit.local.cfg

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loop_evaluate10.ll

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loop-invariant-conditions.ll

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overflow-intrinsics.ll

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polynomial-expand.ll

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pr24356.ll

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pr24804.ll

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pr24956.ll

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pr25047.ll

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pr25051.ll

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pr25360.ll

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pr25421.ll

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pr25576.ll

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pr26973.ll

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pr27133.ll

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pr28935.ll

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pr35406.ll

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pr45360.ll

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pr57187.ll

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pr59615.ll

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replace-iv-with-loop-invariant.ll

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scev-phi-debug-info.ll

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uglygep.ll

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variable-stride-ivs-1.ll

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verify-scev.ll

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widen-nsw.ll

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widening-vs-and-elimination.ll

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