1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -march=arm64 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; Optimize (x > -1) to (x >= 0) etc. 4*9880d681SAndroid Build Coastguard Worker; Optimize (cmp (add / sub), 0): eliminate the subs used to update flag 5*9880d681SAndroid Build Coastguard Worker; for comparison only 6*9880d681SAndroid Build Coastguard Worker; rdar://10233472 7*9880d681SAndroid Build Coastguard Worker 8*9880d681SAndroid Build Coastguard Workerdefine i32 @t1(i64 %a) nounwind ssp { 9*9880d681SAndroid Build Coastguard Workerentry: 10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: t1: 11*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: movn 12*9880d681SAndroid Build Coastguard Worker; CHECK: cmp x0, #0 13*9880d681SAndroid Build Coastguard Worker; CHECK: cset w0, ge 14*9880d681SAndroid Build Coastguard Worker %cmp = icmp sgt i64 %a, -1 15*9880d681SAndroid Build Coastguard Worker %conv = zext i1 %cmp to i32 16*9880d681SAndroid Build Coastguard Worker ret i32 %conv 17*9880d681SAndroid Build Coastguard Worker} 18