1*7d6a4536SRichard Sandiford; Test 32-bit addition in which the second operand is constant and in which 2*7d6a4536SRichard Sandiford; three-operand forms are available. 3*7d6a4536SRichard Sandiford; 4*7d6a4536SRichard Sandiford; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s 5*7d6a4536SRichard Sandiford 6*7d6a4536SRichard Sandiford; Check additions of 1. 7*7d6a4536SRichard Sandiforddefine i32 @f1(i32 %a, i32 %b) { 8*7d6a4536SRichard Sandiford; CHECK-LABEL: f1: 9*7d6a4536SRichard Sandiford; CHECK: ahik %r2, %r3, 1 10*7d6a4536SRichard Sandiford; CHECK: br %r14 11*7d6a4536SRichard Sandiford %add = add i32 %b, 1 12*7d6a4536SRichard Sandiford ret i32 %add 13*7d6a4536SRichard Sandiford} 14*7d6a4536SRichard Sandiford 15*7d6a4536SRichard Sandiford; Check the high end of the AHIK range. 16*7d6a4536SRichard Sandiforddefine i32 @f2(i32 %a, i32 %b) { 17*7d6a4536SRichard Sandiford; CHECK-LABEL: f2: 18*7d6a4536SRichard Sandiford; CHECK: ahik %r2, %r3, 32767 19*7d6a4536SRichard Sandiford; CHECK: br %r14 20*7d6a4536SRichard Sandiford %add = add i32 %b, 32767 21*7d6a4536SRichard Sandiford ret i32 %add 22*7d6a4536SRichard Sandiford} 23*7d6a4536SRichard Sandiford 24*7d6a4536SRichard Sandiford; Check the next value up, which must use AFI instead. 25*7d6a4536SRichard Sandiforddefine i32 @f3(i32 %a, i32 %b) { 26*7d6a4536SRichard Sandiford; CHECK-LABEL: f3: 27*7d6a4536SRichard Sandiford; CHECK: afi {{%r[0-5]}}, 32768 28*7d6a4536SRichard Sandiford; CHECK: br %r14 29*7d6a4536SRichard Sandiford %add = add i32 %b, 32768 30*7d6a4536SRichard Sandiford ret i32 %add 31*7d6a4536SRichard Sandiford} 32*7d6a4536SRichard Sandiford 33*7d6a4536SRichard Sandiford; Check the high end of the negative AHIK range. 34*7d6a4536SRichard Sandiforddefine i32 @f4(i32 %a, i32 %b) { 35*7d6a4536SRichard Sandiford; CHECK-LABEL: f4: 36*7d6a4536SRichard Sandiford; CHECK: ahik %r2, %r3, -1 37*7d6a4536SRichard Sandiford; CHECK: br %r14 38*7d6a4536SRichard Sandiford %add = add i32 %b, -1 39*7d6a4536SRichard Sandiford ret i32 %add 40*7d6a4536SRichard Sandiford} 41*7d6a4536SRichard Sandiford 42*7d6a4536SRichard Sandiford; Check the low end of the AHIK range. 43*7d6a4536SRichard Sandiforddefine i32 @f5(i32 %a, i32 %b) { 44*7d6a4536SRichard Sandiford; CHECK-LABEL: f5: 45*7d6a4536SRichard Sandiford; CHECK: ahik %r2, %r3, -32768 46*7d6a4536SRichard Sandiford; CHECK: br %r14 47*7d6a4536SRichard Sandiford %add = add i32 %b, -32768 48*7d6a4536SRichard Sandiford ret i32 %add 49*7d6a4536SRichard Sandiford} 50*7d6a4536SRichard Sandiford 51*7d6a4536SRichard Sandiford; Check the next value down, which must use AFI instead. 52*7d6a4536SRichard Sandiforddefine i32 @f6(i32 %a, i32 %b) { 53*7d6a4536SRichard Sandiford; CHECK-LABEL: f6: 54*7d6a4536SRichard Sandiford; CHECK: afi {{%r[0-5]}}, -32769 55*7d6a4536SRichard Sandiford; CHECK: br %r14 56*7d6a4536SRichard Sandiford %add = add i32 %b, -32769 57*7d6a4536SRichard Sandiford ret i32 %add 58*7d6a4536SRichard Sandiford} 59*7d6a4536SRichard Sandiford 60*7d6a4536SRichard Sandiford; Check that AHI is still used in obvious cases. 61*7d6a4536SRichard Sandiforddefine i32 @f7(i32 %a) { 62*7d6a4536SRichard Sandiford; CHECK-LABEL: f7: 63*7d6a4536SRichard Sandiford; CHECK: ahi %r2, 1 64*7d6a4536SRichard Sandiford; CHECK: br %r14 65*7d6a4536SRichard Sandiford %add = add i32 %a, 1 66*7d6a4536SRichard Sandiford ret i32 %add 67*7d6a4536SRichard Sandiford} 68