xref: /llvm-project/llvm/test/CodeGen/AArch64/adc.ll (revision 0298cce257f8f8070377baab790eb8cc277904fc)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -verify-machineinstrs < %s -mtriple=arm64-apple-ios7.0 | FileCheck --check-prefix=CHECK-LE %s
3; RUN: llc -verify-machineinstrs < %s -mtriple=aarch64_be-none-linux-gnu | FileCheck --check-prefix=CHECK-BE %s
4
5define i128 @test_simple(i128 %a, i128 %b, i128 %c) {
6; CHECK-LE-LABEL: test_simple:
7; CHECK-LE:       ; %bb.0:
8; CHECK-LE-NEXT:    adds x8, x0, x2
9; CHECK-LE-NEXT:    adc x9, x1, x3
10; CHECK-LE-NEXT:    subs x0, x8, x4
11; CHECK-LE-NEXT:    sbc x1, x9, x5
12; CHECK-LE-NEXT:    ret
13;
14; CHECK-BE-LABEL: test_simple:
15; CHECK-BE:       // %bb.0:
16; CHECK-BE-NEXT:    adds x8, x1, x3
17; CHECK-BE-NEXT:    adc x9, x0, x2
18; CHECK-BE-NEXT:    subs x1, x8, x5
19; CHECK-BE-NEXT:    sbc x0, x9, x4
20; CHECK-BE-NEXT:    ret
21
22  %valadd = add i128 %a, %b
23
24  %valsub = sub i128 %valadd, %c
25
26  ret i128 %valsub
27}
28
29define i128 @test_imm(i128 %a) {
30; CHECK-LE-LABEL: test_imm:
31; CHECK-LE:       ; %bb.0:
32; CHECK-LE-NEXT:    adds x0, x0, #12
33; CHECK-LE-NEXT:    cinc x1, x1, hs
34; CHECK-LE-NEXT:    ret
35;
36; CHECK-BE-LABEL: test_imm:
37; CHECK-BE:       // %bb.0:
38; CHECK-BE-NEXT:    adds x1, x1, #12
39; CHECK-BE-NEXT:    cinc x0, x0, hs
40; CHECK-BE-NEXT:    ret
41
42  %val = add i128 %a, 12
43
44  ret i128 %val
45}
46
47define i128 @test_shifted(i128 %a, i128 %b) {
48; CHECK-LE-LABEL: test_shifted:
49; CHECK-LE:       ; %bb.0:
50; CHECK-LE-NEXT:    extr x8, x3, x2, #19
51; CHECK-LE-NEXT:    adds x0, x0, x2, lsl #45
52; CHECK-LE-NEXT:    adc x1, x1, x8
53; CHECK-LE-NEXT:    ret
54;
55; CHECK-BE-LABEL: test_shifted:
56; CHECK-BE:       // %bb.0:
57; CHECK-BE-NEXT:    extr x8, x2, x3, #19
58; CHECK-BE-NEXT:    adds x1, x1, x3, lsl #45
59; CHECK-BE-NEXT:    adc x0, x0, x8
60; CHECK-BE-NEXT:    ret
61
62  %rhs = shl i128 %b, 45
63
64  %val = add i128 %a, %rhs
65
66  ret i128 %val
67}
68
69define i128 @test_extended(i128 %a, i16 %b) {
70; CHECK-LE-LABEL: test_extended:
71; CHECK-LE:       ; %bb.0:
72; CHECK-LE-NEXT:    ; kill: def $w2 killed $w2 def $x2
73; CHECK-LE-NEXT:    sxth x8, w2
74; CHECK-LE-NEXT:    adds x0, x0, w2, sxth #3
75; CHECK-LE-NEXT:    asr x9, x8, #63
76; CHECK-LE-NEXT:    extr x8, x9, x8, #61
77; CHECK-LE-NEXT:    adc x1, x1, x8
78; CHECK-LE-NEXT:    ret
79;
80; CHECK-BE-LABEL: test_extended:
81; CHECK-BE:       // %bb.0:
82; CHECK-BE-NEXT:    // kill: def $w2 killed $w2 def $x2
83; CHECK-BE-NEXT:    sxth x8, w2
84; CHECK-BE-NEXT:    adds x1, x1, w2, sxth #3
85; CHECK-BE-NEXT:    asr x9, x8, #63
86; CHECK-BE-NEXT:    extr x8, x9, x8, #61
87; CHECK-BE-NEXT:    adc x0, x0, x8
88; CHECK-BE-NEXT:    ret
89
90  %ext = sext i16 %b to i128
91  %rhs = shl i128 %ext, 3
92
93  %val = add i128 %a, %rhs
94
95  ret i128 %val
96}
97