[PATCH] D125125: [AArch64] Add llvm/test/CodeGen/AArch64/i256-math.ll

[Eli Friedman via Phabricator via llvm-commits]

efriedma added inline comments.


================
Comment at: llvm/test/CodeGen/AArch64/i256-math.ll:125
+; CHECK-NEXT:    sbcs x1, x1, x5
+; CHECK-NEXT:    cset w8, lo
+; CHECK-NEXT:    cmp wzr, w8
----------------
u256_overflowing_sub looks strange.  I would have expected the carry flag combine to handle this.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125125/new/

https://reviews.llvm.org/D125125