1*9880d681SAndroid Build Coastguard Worker; Test 32-bit addition in which the second operand is constant and in which 2*9880d681SAndroid Build Coastguard Worker; three-operand forms are available. 3*9880d681SAndroid Build Coastguard Worker; 4*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; Check additions of 1. 7*9880d681SAndroid Build Coastguard Workerdefine i32 @f1(i32 %a, i32 %b) { 8*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f1: 9*9880d681SAndroid Build Coastguard Worker; CHECK: ahik %r2, %r3, 1 10*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 11*9880d681SAndroid Build Coastguard Worker %add = add i32 %b, 1 12*9880d681SAndroid Build Coastguard Worker ret i32 %add 13*9880d681SAndroid Build Coastguard Worker} 14*9880d681SAndroid Build Coastguard Worker 15*9880d681SAndroid Build Coastguard Worker; Check the high end of the AHIK range. 16*9880d681SAndroid Build Coastguard Workerdefine i32 @f2(i32 %a, i32 %b) { 17*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f2: 18*9880d681SAndroid Build Coastguard Worker; CHECK: ahik %r2, %r3, 32767 19*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 20*9880d681SAndroid Build Coastguard Worker %add = add i32 %b, 32767 21*9880d681SAndroid Build Coastguard Worker ret i32 %add 22*9880d681SAndroid Build Coastguard Worker} 23*9880d681SAndroid Build Coastguard Worker 24*9880d681SAndroid Build Coastguard Worker; Check the next value up, which must use AFI instead. 25*9880d681SAndroid Build Coastguard Workerdefine i32 @f3(i32 %a, i32 %b) { 26*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f3: 27*9880d681SAndroid Build Coastguard Worker; CHECK: afi {{%r[0-5]}}, 32768 28*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 29*9880d681SAndroid Build Coastguard Worker %add = add i32 %b, 32768 30*9880d681SAndroid Build Coastguard Worker ret i32 %add 31*9880d681SAndroid Build Coastguard Worker} 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Worker; Check the high end of the negative AHIK range. 34*9880d681SAndroid Build Coastguard Workerdefine i32 @f4(i32 %a, i32 %b) { 35*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f4: 36*9880d681SAndroid Build Coastguard Worker; CHECK: ahik %r2, %r3, -1 37*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 38*9880d681SAndroid Build Coastguard Worker %add = add i32 %b, -1 39*9880d681SAndroid Build Coastguard Worker ret i32 %add 40*9880d681SAndroid Build Coastguard Worker} 41*9880d681SAndroid Build Coastguard Worker 42*9880d681SAndroid Build Coastguard Worker; Check the low end of the AHIK range. 43*9880d681SAndroid Build Coastguard Workerdefine i32 @f5(i32 %a, i32 %b) { 44*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f5: 45*9880d681SAndroid Build Coastguard Worker; CHECK: ahik %r2, %r3, -32768 46*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 47*9880d681SAndroid Build Coastguard Worker %add = add i32 %b, -32768 48*9880d681SAndroid Build Coastguard Worker ret i32 %add 49*9880d681SAndroid Build Coastguard Worker} 50*9880d681SAndroid Build Coastguard Worker 51*9880d681SAndroid Build Coastguard Worker; Check the next value down, which must use AFI instead. 52*9880d681SAndroid Build Coastguard Workerdefine i32 @f6(i32 %a, i32 %b) { 53*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f6: 54*9880d681SAndroid Build Coastguard Worker; CHECK: afi {{%r[0-5]}}, -32769 55*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 56*9880d681SAndroid Build Coastguard Worker %add = add i32 %b, -32769 57*9880d681SAndroid Build Coastguard Worker ret i32 %add 58*9880d681SAndroid Build Coastguard Worker} 59*9880d681SAndroid Build Coastguard Worker 60*9880d681SAndroid Build Coastguard Worker; Check that AHI is still used in obvious cases. 61*9880d681SAndroid Build Coastguard Workerdefine i32 @f7(i32 %a) { 62*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: f7: 63*9880d681SAndroid Build Coastguard Worker; CHECK: ahi %r2, 1 64*9880d681SAndroid Build Coastguard Worker; CHECK: br %r14 65*9880d681SAndroid Build Coastguard Worker %add = add i32 %a, 1 66*9880d681SAndroid Build Coastguard Worker ret i32 %add 67*9880d681SAndroid Build Coastguard Worker} 68