68 lines · plain
1; Test 64-bit addition in which the second operand is constant and in which2; three-operand forms are available.3;4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z196 | FileCheck %s5 6; Check additions of 1.7define i64 @f1(i64 %a, i64 %b) {8; CHECK-LABEL: f1:9; CHECK: {{aghik %r2, %r3, 1|la %r2, 1\(%r3\)}}10; CHECK: br %r1411 %add = add i64 %b, 112 ret i64 %add13}14 15; Check the high end of the AGHIK range.16define i64 @f2(i64 %a, i64 %b) {17; CHECK-LABEL: f2:18; CHECK: aghik %r2, %r3, 3276719; CHECK: br %r1420 %add = add i64 %b, 3276721 ret i64 %add22}23 24; Check the next value up, which must use AGFI instead.25define i64 @f3(i64 %a, i64 %b) {26; CHECK-LABEL: f3:27; CHECK: {{agfi %r[0-5], 32768|lay %r2, 32768\(%r3\)}}28; CHECK: br %r1429 %add = add i64 %b, 3276830 ret i64 %add31}32 33; Check the high end of the negative AGHIK range.34define i64 @f4(i64 %a, i64 %b) {35; CHECK-LABEL: f4:36; CHECK: aghik %r2, %r3, -137; CHECK: br %r1438 %add = add i64 %b, -139 ret i64 %add40}41 42; Check the low end of the AGHIK range.43define i64 @f5(i64 %a, i64 %b) {44; CHECK-LABEL: f5:45; CHECK: aghik %r2, %r3, -3276846; CHECK: br %r1447 %add = add i64 %b, -3276848 ret i64 %add49}50 51; Check the next value down, which must use AGFI instead.52define i64 @f6(i64 %a, i64 %b) {53; CHECK-LABEL: f6:54; CHECK: {{agfi %r[0-5], -32769|lay %r2, -32769\(%r3\)}}55; CHECK: br %r1456 %add = add i64 %b, -3276957 ret i64 %add58}59 60; Check that AGHI is still used in obvious cases.61define i64 @f7(i64 %a) {62; CHECK-LABEL: f7:63; CHECK: aghi %r2, 3200064; CHECK: br %r1465 %add = add i64 %a, 3200066 ret i64 %add67}68