1*9880d681SAndroid Build Coastguard Worker; RUN: llc -mtriple=thumb-eabi -mcpu=arm1156t2-s -mattr=+thumb2 %s -o - | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*9880d681SAndroid Build Coastguard Worker; These tests would be improved by 'movs r0, #0' being rematerialized below the 4*9880d681SAndroid Build Coastguard Worker; tst as 'mov.w r0, #0'. 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workerdefine i1 @f2(i32 %a, i32 %b) { 7*9880d681SAndroid Build Coastguard Worker; CHECK: f2 8*9880d681SAndroid Build Coastguard Worker; CHECK: teq.w {{.*}}, r1 9*9880d681SAndroid Build Coastguard Worker %tmp = xor i32 %a, %b 10*9880d681SAndroid Build Coastguard Worker %tmp1 = icmp eq i32 %tmp, 0 11*9880d681SAndroid Build Coastguard Worker ret i1 %tmp1 12*9880d681SAndroid Build Coastguard Worker} 13*9880d681SAndroid Build Coastguard Worker 14*9880d681SAndroid Build Coastguard Workerdefine i1 @f4(i32 %a, i32 %b) { 15*9880d681SAndroid Build Coastguard Worker; CHECK: f4 16*9880d681SAndroid Build Coastguard Worker; CHECK: teq.w {{.*}}, r1 17*9880d681SAndroid Build Coastguard Worker %tmp = xor i32 %a, %b 18*9880d681SAndroid Build Coastguard Worker %tmp1 = icmp eq i32 0, %tmp 19*9880d681SAndroid Build Coastguard Worker ret i1 %tmp1 20*9880d681SAndroid Build Coastguard Worker} 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerdefine i1 @f6(i32 %a, i32 %b) { 23*9880d681SAndroid Build Coastguard Worker; CHECK: f6 24*9880d681SAndroid Build Coastguard Worker; CHECK: teq.w {{.*}}, r1, lsl #5 25*9880d681SAndroid Build Coastguard Worker %tmp = shl i32 %b, 5 26*9880d681SAndroid Build Coastguard Worker %tmp1 = xor i32 %a, %tmp 27*9880d681SAndroid Build Coastguard Worker %tmp2 = icmp eq i32 %tmp1, 0 28*9880d681SAndroid Build Coastguard Worker ret i1 %tmp2 29*9880d681SAndroid Build Coastguard Worker} 30*9880d681SAndroid Build Coastguard Worker 31*9880d681SAndroid Build Coastguard Workerdefine i1 @f7(i32 %a, i32 %b) { 32*9880d681SAndroid Build Coastguard Worker; CHECK: f7 33*9880d681SAndroid Build Coastguard Worker; CHECK: teq.w {{.*}}, r1, lsr #6 34*9880d681SAndroid Build Coastguard Worker %tmp = lshr i32 %b, 6 35*9880d681SAndroid Build Coastguard Worker %tmp1 = xor i32 %a, %tmp 36*9880d681SAndroid Build Coastguard Worker %tmp2 = icmp eq i32 %tmp1, 0 37*9880d681SAndroid Build Coastguard Worker ret i1 %tmp2 38*9880d681SAndroid Build Coastguard Worker} 39*9880d681SAndroid Build Coastguard Worker 40*9880d681SAndroid Build Coastguard Workerdefine i1 @f8(i32 %a, i32 %b) { 41*9880d681SAndroid Build Coastguard Worker; CHECK: f8 42*9880d681SAndroid Build Coastguard Worker; CHECK: teq.w {{.*}}, r1, asr #7 43*9880d681SAndroid Build Coastguard Worker %tmp = ashr i32 %b, 7 44*9880d681SAndroid Build Coastguard Worker %tmp1 = xor i32 %a, %tmp 45*9880d681SAndroid Build Coastguard Worker %tmp2 = icmp eq i32 %tmp1, 0 46*9880d681SAndroid Build Coastguard Worker ret i1 %tmp2 47*9880d681SAndroid Build Coastguard Worker} 48*9880d681SAndroid Build Coastguard Worker 49*9880d681SAndroid Build Coastguard Workerdefine i1 @f9(i32 %a, i32 %b) { 50*9880d681SAndroid Build Coastguard Worker; CHECK: f9 51*9880d681SAndroid Build Coastguard Worker; CHECK: teq.w {{.*}}, {{.*}}, ror #8 52*9880d681SAndroid Build Coastguard Worker %l8 = shl i32 %a, 24 53*9880d681SAndroid Build Coastguard Worker %r8 = lshr i32 %a, 8 54*9880d681SAndroid Build Coastguard Worker %tmp = or i32 %l8, %r8 55*9880d681SAndroid Build Coastguard Worker %tmp1 = xor i32 %a, %tmp 56*9880d681SAndroid Build Coastguard Worker %tmp2 = icmp eq i32 %tmp1, 0 57*9880d681SAndroid Build Coastguard Worker ret i1 %tmp2 58*9880d681SAndroid Build Coastguard Worker} 59