xref: /llvm-project/llvm/test/CodeGen/SystemZ/int-uadd-13.ll (revision a65ccc1b9fe740c9f65d9cf2b627de50278aad56)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
2; Test 128-bit addition on z13 and higher
3;
4; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z13 | FileCheck %s
5
6define zeroext i1 @f1(i128 %a, i128 %b, ptr %res) {
7; CHECK-LABEL: f1:
8; CHECK:       # %bb.0:
9; CHECK-NEXT:    vl %v0, 0(%r3), 3
10; CHECK-NEXT:    vl %v1, 0(%r2), 3
11; CHECK-NEXT:    vaccq %v2, %v1, %v0
12; CHECK-NEXT:    vlgvg %r2, %v2, 1
13; CHECK-NEXT:    vaq %v0, %v1, %v0
14; CHECK-NEXT:    vst %v0, 0(%r4), 3
15; CHECK-NEXT:    br %r14
16  %t = call {i128, i1} @llvm.uadd.with.overflow.i128(i128 %a, i128 %b)
17  %val = extractvalue {i128, i1} %t, 0
18  %obit = extractvalue {i128, i1} %t, 1
19  store i128 %val, ptr %res
20  ret i1 %obit
21}
22
23define zeroext i1 @f2(i128 %a, i128 %b) {
24; CHECK-LABEL: f2:
25; CHECK:       # %bb.0:
26; CHECK-NEXT:    vl %v0, 0(%r3), 3
27; CHECK-NEXT:    vl %v1, 0(%r2), 3
28; CHECK-NEXT:    vaccq %v0, %v1, %v0
29; CHECK-NEXT:    vlgvg %r2, %v0, 1
30; CHECK-NEXT:    br %r14
31  %t = call {i128, i1} @llvm.uadd.with.overflow.i128(i128 %a, i128 %b)
32  %obit = extractvalue {i128, i1} %t, 1
33  ret i1 %obit
34}
35
36define i128 @f3(i128 %a, i128 %b) {
37; CHECK-LABEL: f3:
38; CHECK:       # %bb.0:
39; CHECK-NEXT:    vl %v0, 0(%r4), 3
40; CHECK-NEXT:    vl %v1, 0(%r3), 3
41; CHECK-NEXT:    vaq %v0, %v1, %v0
42; CHECK-NEXT:    vst %v0, 0(%r2), 3
43; CHECK-NEXT:    br %r14
44  %t = call {i128, i1} @llvm.uadd.with.overflow.i128(i128 %a, i128 %b)
45  %val = extractvalue {i128, i1} %t, 0
46  ret i128 %val
47}
48
49declare {i128, i1} @llvm.uadd.with.overflow.i128(i128, i128) nounwind readnone
50
51