1; Test 32-bit addition in which the second operand is constant. 2; 3; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s 4 5; Check additions of 1. 6define i32 @f1(i32 %a) { 7; CHECK-LABEL: f1: 8; CHECK: ahi %r2, 1 9; CHECK: br %r14 10 %add = add i32 %a, 1 11 ret i32 %add 12} 13 14; Check the high end of the AHI range. 15define i32 @f2(i32 %a) { 16; CHECK-LABEL: f2: 17; CHECK: ahi %r2, 32767 18; CHECK: br %r14 19 %add = add i32 %a, 32767 20 ret i32 %add 21} 22 23; Check the next value up, which must use AFI instead. 24define i32 @f3(i32 %a) { 25; CHECK-LABEL: f3: 26; CHECK: afi %r2, 32768 27; CHECK: br %r14 28 %add = add i32 %a, 32768 29 ret i32 %add 30} 31 32; Check the high end of the signed 32-bit range. 33define i32 @f4(i32 %a) { 34; CHECK-LABEL: f4: 35; CHECK: afi %r2, 2147483647 36; CHECK: br %r14 37 %add = add i32 %a, 2147483647 38 ret i32 %add 39} 40 41; Check the next value up, which is treated as a negative value. 42define i32 @f5(i32 %a) { 43; CHECK-LABEL: f5: 44; CHECK: afi %r2, -2147483648 45; CHECK: br %r14 46 %add = add i32 %a, 2147483648 47 ret i32 %add 48} 49 50; Check the high end of the negative AHI range. 51define i32 @f6(i32 %a) { 52; CHECK-LABEL: f6: 53; CHECK: ahi %r2, -1 54; CHECK: br %r14 55 %add = add i32 %a, -1 56 ret i32 %add 57} 58 59; Check the low end of the AHI range. 60define i32 @f7(i32 %a) { 61; CHECK-LABEL: f7: 62; CHECK: ahi %r2, -32768 63; CHECK: br %r14 64 %add = add i32 %a, -32768 65 ret i32 %add 66} 67 68; Check the next value down, which must use AFI instead. 69define i32 @f8(i32 %a) { 70; CHECK-LABEL: f8: 71; CHECK: afi %r2, -32769 72; CHECK: br %r14 73 %add = add i32 %a, -32769 74 ret i32 %add 75} 76 77; Check the low end of the signed 32-bit range. 78define i32 @f9(i32 %a) { 79; CHECK-LABEL: f9: 80; CHECK: afi %r2, -2147483648 81; CHECK: br %r14 82 %add = add i32 %a, -2147483648 83 ret i32 %add 84} 85 86; Check the next value down, which is treated as a positive value. 87define i32 @f10(i32 %a) { 88; CHECK-LABEL: f10: 89; CHECK: afi %r2, 2147483647 90; CHECK: br %r14 91 %add = add i32 %a, -2147483649 92 ret i32 %add 93} 94