Commit Graph

2 Commits

Author SHA1 Message Date
Jonas Paulsson e77cb4ae63 [SystemZ] Return true from preferZeroCompareBranch().
Review: Ulrich Weigand
Differential Revision: https://reviews.llvm.org/D103057
2021-05-25 10:24:14 -05:00
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