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Author SHA1 Message Date
Jonas Paulsson cdcce3cabf [SystemZ] Also accept ISD::USUBO in shouldFormOverflowOp(). 
Forming subtract with overflow is beneficial on SystemZ, just like additions.

Review: Ulrich Weigand

Differential Revision: https://reviews.llvm.org/D75290
 2020-03-03 14:38:57 +01:00