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

..

2009-04-14-shorten_iv_vars.ll

…

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

…

2011-11-15-multiexit.ll

…

deterministic-scev-verify.ll

…

eliminate-congruent-ivs.ll

…

eliminate-trunc.ll

…

huge_muls.ll

…

indvar-debug-value2.ll

…

indvar-debug-value.ll

…

inner-loop-by-latch-cond.ll

…

inner-loop.ll

…

iv-widen.ll

…

lit.local.cfg

…

loop_evaluate10.ll

…

loop-invariant-conditions.ll

…

overflow-intrinsics.ll

…

polynomial-expand.ll

…

pr24356.ll

…

pr24804.ll

…

pr24956.ll

…

pr25047.ll

…

pr25051.ll

…

pr25360.ll

…

pr25421.ll

…

pr25576.ll

…

pr26973.ll

…

pr27133.ll

…

pr28935.ll

…

pr35406.ll

…

pr45360.ll

…

pr57187.ll

…

pr59615.ll

…

replace-iv-with-loop-invariant.ll

…

scev-phi-debug-info.ll

…

uglygep.ll

…

variable-stride-ivs-1.ll

…

verify-scev.ll

…

widen-nsw.ll

…

widening-vs-and-elimination.ll

[IndVars] Expand icmp in preheader rather than in loop

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