Yingwei Zheng 4d28d3f93b [SDAG] Turn umin into smin if the saturation pattern is broken (#88505) ...

As we canonicalizes smin with non-negative operands into umin in the
middle-end, the saturation pattern will be broken.
This patch reverts the transform in DAGCombine to fix the regression on
ARM.

Fixes https://github.com/llvm/llvm-project/issues/85706.

2024-04-16 01:28:28 +08:00

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