Simon Pilgrim 09cb9fdef9 [InstCombine] Fold ult(add(x,-1),c) -> ule(x,c) iff x != 0 (PR57635) ...

Alive2: https://alive2.llvm.org/ce/z/sZ6wwS

As detailed on Issue #57635 and #37628 - for unsigned comparisons, we can compare prior to a decrement iff the value is known never to be zero.

Differential Revision: https://reviews.llvm.org/D134172

2022-09-20 16:44:41 +01:00

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falkor-prefetch.ll

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full-unroll-trip-count-upper-bound.ll

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large-vector-ops.ll

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lit.local.cfg

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partial.ll

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runtime-loop.ll

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runtime-unroll-generic.ll

[InstCombine] Fold ult(add(x,-1),c) -> ule(x,c) iff x != 0 (PR57635)

2022-09-20 16:44:41 +01:00

thresholdO3-cost-model.ll

[unroll] Keep unrolled iterations with initial iteration

2021-11-12 11:40:50 -08:00

unroll-optsize.ll

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unroll-upperbound.ll

[unroll] Keep unrolled iterations with initial iteration

2021-11-12 11:40:50 -08:00