1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -O3 -march=x86-64 |FileCheck %s 2*9880d681SAndroid Build Coastguard Workerdefine i64 @foo(i64 %data1, i64 %data2, i64 %data3) 3*9880d681SAndroid Build Coastguard Worker{ 4*9880d681SAndroid Build Coastguard Worker; If constant 4294967295 is hoisted to a variable, then we won't be able to 5*9880d681SAndroid Build Coastguard Worker; use a shift right by 32 to optimize the compare. 6*9880d681SAndroid Build Coastguard Workerentry: 7*9880d681SAndroid Build Coastguard Worker %val1 = add i64 %data3, 1 8*9880d681SAndroid Build Coastguard Worker %x = icmp ugt i64 %data1, 4294967295 9*9880d681SAndroid Build Coastguard Worker br i1 %x, label %End, label %L_val2 10*9880d681SAndroid Build Coastguard Worker 11*9880d681SAndroid Build Coastguard Worker; CHECK: shrq $32, {{.*}} 12*9880d681SAndroid Build Coastguard Worker; CHECK: shrq $32, {{.*}} 13*9880d681SAndroid Build Coastguard WorkerL_val2: 14*9880d681SAndroid Build Coastguard Worker %val2 = add i64 %data3, 2 15*9880d681SAndroid Build Coastguard Worker %y = icmp ugt i64 %data2, 4294967295 16*9880d681SAndroid Build Coastguard Worker br i1 %y, label %End, label %L_val3 17*9880d681SAndroid Build Coastguard Worker 18*9880d681SAndroid Build Coastguard WorkerL_val3: 19*9880d681SAndroid Build Coastguard Worker %val3 = add i64 %data3, 3 20*9880d681SAndroid Build Coastguard Worker br label %End 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard WorkerEnd: 23*9880d681SAndroid Build Coastguard Worker %p1 = phi i64 [%val1,%entry], [%val2,%L_val2], [%val3,%L_val3] 24*9880d681SAndroid Build Coastguard Worker ret i64 %p1 25*9880d681SAndroid Build Coastguard Worker} 26