Simon Pilgrim 431e93f4f5 [InstCombine] Fold sub(add(x,y),min/max(x,y)) -> max/min(x,y) (PR38280) ...

As discussed on Issue #37628, we can flip a min/max node if we're subtracting from the sum of the node's operands

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

Differential Revision: https://reviews.llvm.org/D123399

2022-04-11 11:32:56 +01:00

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