xref: /llvm-project/llvm/test/CodeGen/SystemZ/inline-asm-i128.ll (revision 7b3bbd83c0c24087072ec5b22a76799ab31f87d5)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=s390x-linux-gnu -no-integrated-as < %s | FileCheck %s
3;
4
5; Test i128 (tied) operands.
6
7define i32 @fun0(ptr %p1, i32 signext %l1, ptr %p2, i32 signext %l2, i8 zeroext %pad) {
8; CHECK-LABEL: fun0:
9; CHECK:       # %bb.0: # %entry
10; CHECK-NEXT:    lgr %r0, %r5
11; CHECK-NEXT:    # kill: def $r4d killed $r4d def $r4q
12; CHECK-NEXT:    lgr %r1, %r3
13; CHECK-NEXT:    # kill: def $r2d killed $r2d def $r2q
14; CHECK-NEXT:    sllg %r5, %r6, 24
15; CHECK-NEXT:    rosbg %r5, %r0, 40, 63, 0
16; CHECK-NEXT:    risbg %r3, %r1, 40, 191, 0
17; CHECK-NEXT:    #APP
18; CHECK-NEXT:    clcl %r2, %r4
19; CHECK-NEXT:    #NO_APP
20; CHECK-NEXT:    ogr %r3, %r5
21; CHECK-NEXT:    risbg %r0, %r3, 40, 191, 0
22; CHECK-NEXT:    ipm %r2
23; CHECK-NEXT:    afi %r2, -268435456
24; CHECK-NEXT:    srl %r2, 31
25; CHECK-NEXT:    br %r14
26entry:
27  %0 = ptrtoint ptr %p1 to i64
28  %1 = ptrtoint ptr %p2 to i64
29  %and5 = and i32 %l2, 16777215
30  %2 = zext i32 %and5 to i64
31  %conv7 = zext i8 %pad to i64
32  %shl = shl nuw nsw i64 %conv7, 24
33  %or = or i64 %shl, %2
34  %u1.sroa.0.0.insert.ext = zext i64 %0 to i128
35  %u1.sroa.0.0.insert.shift = shl nuw i128 %u1.sroa.0.0.insert.ext, 64
36  %3 = and i32 %l1, 16777215
37  %u1.sroa.0.0.insert.mask = zext i32 %3 to i128
38  %u1.sroa.0.0.insert.insert = or i128 %u1.sroa.0.0.insert.shift, %u1.sroa.0.0.insert.mask
39  %u2.sroa.5.0.insert.ext = zext i64 %or to i128
40  %u2.sroa.0.0.insert.ext = zext i64 %1 to i128
41  %u2.sroa.0.0.insert.shift = shl nuw i128 %u2.sroa.0.0.insert.ext, 64
42  %u2.sroa.0.0.insert.insert = or i128 %u2.sroa.0.0.insert.shift, %u2.sroa.5.0.insert.ext
43  %4 = tail call { i128, i128 } asm "clcl $0, $1", "=r,=r,0,1"(i128 %u1.sroa.0.0.insert.insert, i128 %u2.sroa.0.0.insert.insert)
44  %asmresult = extractvalue { i128, i128 } %4, 0
45  %asmresult11 = extractvalue { i128, i128 } %4, 1
46  %5 = or i128 %asmresult, %asmresult11
47  %6 = and i128 %5, 16777215
48  %7 = icmp eq i128 %6, 0
49  %land.ext = zext i1 %7 to i32
50  ret i32 %land.ext
51}
52
53; Test a phys-reg def.
54define void @fun1(ptr %Src, ptr %Dst) {
55; CHECK-LABEL: fun1:
56; CHECK:       # %bb.0: # %entry
57; CHECK-NEXT:    #APP
58; CHECK-NEXT:    BLA %r4
59; CHECK-NEXT:    #NO_APP
60; CHECK-NEXT:    stg %r5, 8(%r3)
61; CHECK-NEXT:    stg %r4, 0(%r3)
62; CHECK-NEXT:    br %r14
63entry:
64   %IAsm = call i128 asm "BLA $0", "={r4}"()
65  store volatile i128 %IAsm, ptr %Dst
66  ret void
67}
68
69; Test a phys-reg use.
70define void @fun2(ptr %Src, ptr %Dst) {
71; CHECK-LABEL: fun2:
72; CHECK:       # %bb.0: # %entry
73; CHECK-NEXT:    lg %r5, 8(%r2)
74; CHECK-NEXT:    lg %r4, 0(%r2)
75; CHECK-NEXT:    #APP
76; CHECK-NEXT:    BLA %r4
77; CHECK-NEXT:    #NO_APP
78; CHECK-NEXT:    br %r14
79entry:
80  %L = load i128, ptr %Src
81  call void asm "BLA $0", "{r4}"(i128 %L)
82  ret void
83}
84
85; Test phys-reg use and phys-reg def.
86define void @fun3(ptr %Src, ptr %Dst) {
87; CHECK-LABEL: fun3:
88; CHECK:       # %bb.0: # %entry
89; CHECK-NEXT:    lg %r1, 8(%r2)
90; CHECK-NEXT:    lg %r0, 0(%r2)
91; CHECK-NEXT:    #APP
92; CHECK-NEXT:    BLA %r4, %r0
93; CHECK-NEXT:    #NO_APP
94; CHECK-NEXT:    stg %r5, 8(%r3)
95; CHECK-NEXT:    stg %r4, 0(%r3)
96; CHECK-NEXT:    br %r14
97entry:
98  %L = load i128, ptr %Src
99  %IAsm = call i128 asm "BLA $0, $1", "={r4},{r0}"(i128 %L)
100  store volatile i128 %IAsm, ptr %Dst
101  ret void
102}
103
104; Test a tied phys-reg.
105define void @fun4(ptr %Src, ptr %Dst) {
106; CHECK-LABEL: fun4:
107; CHECK:       # %bb.0: # %entry
108; CHECK-NEXT:    lg %r5, 8(%r2)
109; CHECK-NEXT:    lg %r4, 0(%r2)
110; CHECK-NEXT:    #APP
111; CHECK-NEXT:    BLA %r4, %r4
112; CHECK-NEXT:    #NO_APP
113; CHECK-NEXT:    stg %r5, 8(%r3)
114; CHECK-NEXT:    stg %r4, 0(%r3)
115; CHECK-NEXT:    br %r14
116entry:
117  %L = load i128, ptr %Src
118  %IAsm = call i128 asm "BLA $0, $1", "={r4},0"(i128 %L)
119  store volatile i128 %IAsm, ptr %Dst
120  ret void
121}
122
123; Test access of the odd register using 'N'.
124define i64 @fun5(i64 %b) {
125; CHECK-LABEL: fun5:
126; CHECK:       # %bb.0: # %entry
127; CHECK-NEXT:    lgr %r1, %r2
128; CHECK-NEXT:    lghi %r0, 0
129; CHECK-NEXT:    #APP
130; CHECK-NEXT:     lgr %r2,%r1
131; CHECK-NEXT:    #NO_APP
132; CHECK-NEXT:    br %r14
133entry:
134  %Ins = zext i64 %b to i128
135  %Res = tail call i64 asm "\09lgr\09$0,${1:N}", "=d,d"(i128 %Ins)
136  ret i64 %Res
137}
138
139; Test 'N' with multiple accesses to the same operand and i128 result.
140@V128 = global i128 0, align 16
141define i32 @fun6() {
142; CHECK-LABEL: fun6:
143; CHECK:       # %bb.0: # %entry
144; CHECK-NEXT:    lgrl %r1, V128@GOT
145; CHECK-NEXT:    lg %r3, 8(%r1)
146; CHECK-NEXT:    lg %r2, 0(%r1)
147; CHECK-NEXT:    #APP
148; CHECK-NEXT:    ltgr %r3,%r3
149; CHECK-NEXT:    #NO_APP
150; CHECK-NEXT:    stg %r2, 0(%r1)
151; CHECK-NEXT:    stg %r3, 8(%r1)
152; CHECK-NEXT:    br %r14
153entry:
154  %0 = load i128, ptr @V128
155  %1 = tail call i128 asm "ltgr ${0:N},${0:N}", "=&d,0"(i128 %0)
156  store i128 %1, ptr @V128
157  ret i32 undef
158}
159