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