1; RUN: llc < %s -march=arm64 | FileCheck %s 2 3; Optimize (x > -1) to (x >= 0) etc. 4; Optimize (cmp (add / sub), 0): eliminate the subs used to update flag 5; for comparison only 6; rdar://10233472 7 8define i32 @t1(i64 %a) nounwind ssp { 9entry: 10; CHECK-LABEL: t1: 11; CHECK-NOT: movn 12; CHECK: cmp x0, #0 13; CHECK: cset w0, ge 14 %cmp = icmp sgt i64 %a, -1 15 %conv = zext i1 %cmp to i32 16 ret i32 %conv 17} 18