xref: /aosp_15_r20/external/llvm/test/CodeGen/Mips/cconv/arguments-varargs-small-structs-combinations.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc --march=mips64 -mcpu=mips64r2 < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker
3*9880d681SAndroid Build Coastguard Worker; Generated from the C program:
4*9880d681SAndroid Build Coastguard Worker;
5*9880d681SAndroid Build Coastguard Worker; #include <stdio.h>
6*9880d681SAndroid Build Coastguard Worker; #include <string.h>
7*9880d681SAndroid Build Coastguard Worker;
8*9880d681SAndroid Build Coastguard Worker; struct SmallStruct_1b1s {
9*9880d681SAndroid Build Coastguard Worker;  char x1;
10*9880d681SAndroid Build Coastguard Worker;  short x2;
11*9880d681SAndroid Build Coastguard Worker; };
12*9880d681SAndroid Build Coastguard Worker;
13*9880d681SAndroid Build Coastguard Worker; struct SmallStruct_1b1i {
14*9880d681SAndroid Build Coastguard Worker;  char x1;
15*9880d681SAndroid Build Coastguard Worker;  int x2;
16*9880d681SAndroid Build Coastguard Worker; };
17*9880d681SAndroid Build Coastguard Worker;
18*9880d681SAndroid Build Coastguard Worker; struct SmallStruct_1b1s1b {
19*9880d681SAndroid Build Coastguard Worker;  char x1;
20*9880d681SAndroid Build Coastguard Worker;  short x2;
21*9880d681SAndroid Build Coastguard Worker;  char x3;
22*9880d681SAndroid Build Coastguard Worker; };
23*9880d681SAndroid Build Coastguard Worker;
24*9880d681SAndroid Build Coastguard Worker; struct SmallStruct_1s1i {
25*9880d681SAndroid Build Coastguard Worker;  short x1;
26*9880d681SAndroid Build Coastguard Worker;  int x2;
27*9880d681SAndroid Build Coastguard Worker; };
28*9880d681SAndroid Build Coastguard Worker;
29*9880d681SAndroid Build Coastguard Worker; struct SmallStruct_3b1s {
30*9880d681SAndroid Build Coastguard Worker;  char x1;
31*9880d681SAndroid Build Coastguard Worker;  char x2;
32*9880d681SAndroid Build Coastguard Worker;  char x3;
33*9880d681SAndroid Build Coastguard Worker;  short x4;
34*9880d681SAndroid Build Coastguard Worker; };
35*9880d681SAndroid Build Coastguard Worker;
36*9880d681SAndroid Build Coastguard Worker; void varArgF_SmallStruct(char* c, ...);
37*9880d681SAndroid Build Coastguard Worker;
38*9880d681SAndroid Build Coastguard Worker; void smallStruct_1b1s(struct SmallStruct_1b1s* ss)
39*9880d681SAndroid Build Coastguard Worker; {
40*9880d681SAndroid Build Coastguard Worker;  varArgF_SmallStruct("", *ss);
41*9880d681SAndroid Build Coastguard Worker; }
42*9880d681SAndroid Build Coastguard Worker;
43*9880d681SAndroid Build Coastguard Worker; void smallStruct_1b1i(struct SmallStruct_1b1i* ss)
44*9880d681SAndroid Build Coastguard Worker; {
45*9880d681SAndroid Build Coastguard Worker;  varArgF_SmallStruct("", *ss);
46*9880d681SAndroid Build Coastguard Worker; }
47*9880d681SAndroid Build Coastguard Worker;
48*9880d681SAndroid Build Coastguard Worker; void smallStruct_1b1s1b(struct SmallStruct_1b1s1b* ss)
49*9880d681SAndroid Build Coastguard Worker; {
50*9880d681SAndroid Build Coastguard Worker;  varArgF_SmallStruct("", *ss);
51*9880d681SAndroid Build Coastguard Worker; }
52*9880d681SAndroid Build Coastguard Worker;
53*9880d681SAndroid Build Coastguard Worker; void smallStruct_1s1i(struct SmallStruct_1s1i* ss)
54*9880d681SAndroid Build Coastguard Worker; {
55*9880d681SAndroid Build Coastguard Worker;  varArgF_SmallStruct("", *ss);
56*9880d681SAndroid Build Coastguard Worker; }
57*9880d681SAndroid Build Coastguard Worker;
58*9880d681SAndroid Build Coastguard Worker; void smallStruct_3b1s(struct SmallStruct_3b1s* ss)
59*9880d681SAndroid Build Coastguard Worker; {
60*9880d681SAndroid Build Coastguard Worker;  varArgF_SmallStruct("", *ss);
61*9880d681SAndroid Build Coastguard Worker; }
62*9880d681SAndroid Build Coastguard Worker
63*9880d681SAndroid Build Coastguard Worker%struct.SmallStruct_1b1s = type { i8, i16 }
64*9880d681SAndroid Build Coastguard Worker%struct.SmallStruct_1b1i = type { i8, i32 }
65*9880d681SAndroid Build Coastguard Worker%struct.SmallStruct_1b1s1b = type { i8, i16, i8 }
66*9880d681SAndroid Build Coastguard Worker%struct.SmallStruct_1s1i = type { i16, i32 }
67*9880d681SAndroid Build Coastguard Worker%struct.SmallStruct_3b1s = type { i8, i8, i8, i16 }
68*9880d681SAndroid Build Coastguard Worker
69*9880d681SAndroid Build Coastguard Worker@.str = private unnamed_addr constant [3 x i8] c"01\00", align 1
70*9880d681SAndroid Build Coastguard Worker
71*9880d681SAndroid Build Coastguard Workerdeclare void @varArgF_SmallStruct(i8* %c, ...)
72*9880d681SAndroid Build Coastguard Worker
73*9880d681SAndroid Build Coastguard Workerdefine void @smallStruct_1b1s(%struct.SmallStruct_1b1s* %ss) #0 {
74*9880d681SAndroid Build Coastguard Workerentry:
75*9880d681SAndroid Build Coastguard Worker  %ss.addr = alloca %struct.SmallStruct_1b1s*, align 8
76*9880d681SAndroid Build Coastguard Worker  store %struct.SmallStruct_1b1s* %ss, %struct.SmallStruct_1b1s** %ss.addr, align 8
77*9880d681SAndroid Build Coastguard Worker  %0 = load %struct.SmallStruct_1b1s*, %struct.SmallStruct_1b1s** %ss.addr, align 8
78*9880d681SAndroid Build Coastguard Worker  %1 = bitcast %struct.SmallStruct_1b1s* %0 to { i32 }*
79*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr { i32 }, { i32 }* %1, i32 0, i32 0
80*9880d681SAndroid Build Coastguard Worker  %3 = load i32, i32* %2, align 1
81*9880d681SAndroid Build Coastguard Worker  call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i32 inreg %3)
82*9880d681SAndroid Build Coastguard Worker  ret void
83*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: smallStruct_1b1s:
84*9880d681SAndroid Build Coastguard Worker ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 32
85*9880d681SAndroid Build Coastguard Worker}
86*9880d681SAndroid Build Coastguard Worker
87*9880d681SAndroid Build Coastguard Workerdefine void @smallStruct_1b1i(%struct.SmallStruct_1b1i* %ss) #0 {
88*9880d681SAndroid Build Coastguard Workerentry:
89*9880d681SAndroid Build Coastguard Worker  %ss.addr = alloca %struct.SmallStruct_1b1i*, align 8
90*9880d681SAndroid Build Coastguard Worker  store %struct.SmallStruct_1b1i* %ss, %struct.SmallStruct_1b1i** %ss.addr, align 8
91*9880d681SAndroid Build Coastguard Worker  %0 = load %struct.SmallStruct_1b1i*, %struct.SmallStruct_1b1i** %ss.addr, align 8
92*9880d681SAndroid Build Coastguard Worker  %1 = bitcast %struct.SmallStruct_1b1i* %0 to { i64 }*
93*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr { i64 }, { i64 }* %1, i32 0, i32 0
94*9880d681SAndroid Build Coastguard Worker  %3 = load i64, i64* %2, align 1
95*9880d681SAndroid Build Coastguard Worker  call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %3)
96*9880d681SAndroid Build Coastguard Worker  ret void
97*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: smallStruct_1b1i:
98*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: dsll
99*9880d681SAndroid Build Coastguard Worker}
100*9880d681SAndroid Build Coastguard Worker
101*9880d681SAndroid Build Coastguard Workerdefine void @smallStruct_1b1s1b(%struct.SmallStruct_1b1s1b* %ss) #0 {
102*9880d681SAndroid Build Coastguard Workerentry:
103*9880d681SAndroid Build Coastguard Worker  %ss.addr = alloca %struct.SmallStruct_1b1s1b*, align 8
104*9880d681SAndroid Build Coastguard Worker  %.coerce = alloca { i48 }
105*9880d681SAndroid Build Coastguard Worker  store %struct.SmallStruct_1b1s1b* %ss, %struct.SmallStruct_1b1s1b** %ss.addr, align 8
106*9880d681SAndroid Build Coastguard Worker  %0 = load %struct.SmallStruct_1b1s1b*, %struct.SmallStruct_1b1s1b** %ss.addr, align 8
107*9880d681SAndroid Build Coastguard Worker  %1 = bitcast { i48 }* %.coerce to i8*
108*9880d681SAndroid Build Coastguard Worker  %2 = bitcast %struct.SmallStruct_1b1s1b* %0 to i8*
109*9880d681SAndroid Build Coastguard Worker  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 6, i32 0, i1 false)
110*9880d681SAndroid Build Coastguard Worker  %3 = getelementptr { i48 }, { i48 }* %.coerce, i32 0, i32 0
111*9880d681SAndroid Build Coastguard Worker  %4 = load i48, i48* %3, align 1
112*9880d681SAndroid Build Coastguard Worker  call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i48 inreg %4)
113*9880d681SAndroid Build Coastguard Worker  ret void
114*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: smallStruct_1b1s1b:
115*9880d681SAndroid Build Coastguard Worker ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16
116*9880d681SAndroid Build Coastguard Worker}
117*9880d681SAndroid Build Coastguard Worker
118*9880d681SAndroid Build Coastguard Workerdeclare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #1
119*9880d681SAndroid Build Coastguard Worker
120*9880d681SAndroid Build Coastguard Workerdefine void @smallStruct_1s1i(%struct.SmallStruct_1s1i* %ss) #0 {
121*9880d681SAndroid Build Coastguard Workerentry:
122*9880d681SAndroid Build Coastguard Worker  %ss.addr = alloca %struct.SmallStruct_1s1i*, align 8
123*9880d681SAndroid Build Coastguard Worker  store %struct.SmallStruct_1s1i* %ss, %struct.SmallStruct_1s1i** %ss.addr, align 8
124*9880d681SAndroid Build Coastguard Worker  %0 = load %struct.SmallStruct_1s1i*, %struct.SmallStruct_1s1i** %ss.addr, align 8
125*9880d681SAndroid Build Coastguard Worker  %1 = bitcast %struct.SmallStruct_1s1i* %0 to { i64 }*
126*9880d681SAndroid Build Coastguard Worker  %2 = getelementptr { i64 }, { i64 }* %1, i32 0, i32 0
127*9880d681SAndroid Build Coastguard Worker  %3 = load i64, i64* %2, align 1
128*9880d681SAndroid Build Coastguard Worker  call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i64 inreg %3)
129*9880d681SAndroid Build Coastguard Worker  ret void
130*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: smallStruct_1s1i:
131*9880d681SAndroid Build Coastguard Worker ; CHECK-NOT: dsll
132*9880d681SAndroid Build Coastguard Worker}
133*9880d681SAndroid Build Coastguard Worker
134*9880d681SAndroid Build Coastguard Workerdefine void @smallStruct_3b1s(%struct.SmallStruct_3b1s* %ss) #0 {
135*9880d681SAndroid Build Coastguard Workerentry:
136*9880d681SAndroid Build Coastguard Worker  %ss.addr = alloca %struct.SmallStruct_3b1s*, align 8
137*9880d681SAndroid Build Coastguard Worker  %.coerce = alloca { i48 }
138*9880d681SAndroid Build Coastguard Worker  store %struct.SmallStruct_3b1s* %ss, %struct.SmallStruct_3b1s** %ss.addr, align 8
139*9880d681SAndroid Build Coastguard Worker  %0 = load %struct.SmallStruct_3b1s*, %struct.SmallStruct_3b1s** %ss.addr, align 8
140*9880d681SAndroid Build Coastguard Worker  %1 = bitcast { i48 }* %.coerce to i8*
141*9880d681SAndroid Build Coastguard Worker  %2 = bitcast %struct.SmallStruct_3b1s* %0 to i8*
142*9880d681SAndroid Build Coastguard Worker  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 6, i32 0, i1 false)
143*9880d681SAndroid Build Coastguard Worker  %3 = getelementptr { i48 }, { i48 }* %.coerce, i32 0, i32 0
144*9880d681SAndroid Build Coastguard Worker  %4 = load i48, i48* %3, align 1
145*9880d681SAndroid Build Coastguard Worker  call void (i8*, ...) @varArgF_SmallStruct(i8* getelementptr inbounds ([3 x i8], [3 x i8]* @.str, i32 0, i32 0), i48 inreg %4)
146*9880d681SAndroid Build Coastguard Worker  ret void
147*9880d681SAndroid Build Coastguard Worker ; CHECK-LABEL: smallStruct_3b1s:
148*9880d681SAndroid Build Coastguard Worker ; CHECK: dsll $[[R1:[0-9]+]], $[[R2:[0-9]+]], 16
149*9880d681SAndroid Build Coastguard Worker}
150