1 ; RUN: llc -march=hexagon -mcpu=hexagonv62 -mtriple=hexagon-unknown-linux-musl -O0 < %s | FileCheck %s
5 ; Check Function prologue.
6 ; Note. All register numbers and offset are fixed.
7 ; Hence, no need of regular expression.
9 ; CHECK: r29 = add(r29,#-16)
10 ; CHECK: r7:6 = memd(r29+#16)
11 ; CHECK: memd(r29+#0) = r7:6
12 ; CHECK: r7:6 = memd(r29+#24)
13 ; CHECK: memd(r29+#8) = r7:6
14 ; CHECK: r7:6 = memd(r29+#32)
15 ; CHECK: memd(r29+#16) = r7:6
16 ; CHECK: r7:6 = memd(r29+#40)
17 ; CHECK: memd(r29+#24) = r7:6
18 ; CHECK: memw(r29+#36) = r3
19 ; CHECK: memw(r29+#40) = r4
20 ; CHECK: memw(r29+#44) = r5
21 ; CHECK: r29 = add(r29,#16)
23 %struct.AAA = type { i32, i32, i32, i32 }
24 %struct.__va_list_tag = type { i8*, i8*, i8* }
26 @aaa = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 4
27 @xxx = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 4
28 @yyy = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 4
29 @ccc = global %struct.AAA { i32 10, i32 20, i32 30, i32 40 }, align 4
30 @fff = global %struct.AAA { i32 1, i32 2, i32 3, i32 4 }, align 4
31 @.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 1
33 ; Function Attrs: nounwind
34 define i32 @foo(i32 %xx, i32 %z, i32 %m, %struct.AAA* byval(%struct.AAA) align 4 %bbb, %struct.AAA* byval(%struct.AAA) align 4 %GGG, ...) #0 {
36 %xx.addr = alloca i32, align 4
37 %z.addr = alloca i32, align 4
38 %m.addr = alloca i32, align 4
39 %ap = alloca [1 x %struct.__va_list_tag], align 8
40 %d = alloca i32, align 4
41 %ret = alloca i32, align 4
42 %ddd = alloca %struct.AAA, align 4
43 %ggg = alloca %struct.AAA, align 4
44 %nnn = alloca %struct.AAA, align 4
45 store i32 %xx, i32* %xx.addr, align 4
46 store i32 %z, i32* %z.addr, align 4
47 store i32 %m, i32* %m.addr, align 4
48 store i32 0, i32* %ret, align 4
49 %arraydecay = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
50 %arraydecay1 = bitcast %struct.__va_list_tag* %arraydecay to i8*
51 call void @llvm.va_start(i8* %arraydecay1)
52 %d2 = getelementptr inbounds %struct.AAA, %struct.AAA* %bbb, i32 0, i32 3
53 %0 = load i32, i32* %d2, align 4
54 %1 = load i32, i32* %ret, align 4
55 %add = add nsw i32 %1, %0
56 store i32 %add, i32* %ret, align 4
57 %2 = load i32, i32* %z.addr, align 4
58 %3 = load i32, i32* %ret, align 4
59 %add3 = add nsw i32 %3, %2
60 store i32 %add3, i32* %ret, align 4
61 %arraydecay4 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
62 br label %vaarg.maybe_reg
64 vaarg.maybe_reg: ; preds = %entry
65 %__current_saved_reg_area_pointer_p = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay4, i32 0, i32 0
66 %__current_saved_reg_area_pointer = load i8*, i8** %__current_saved_reg_area_pointer_p
67 %__saved_reg_area_end_pointer_p = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay4, i32 0, i32 1
68 %__saved_reg_area_end_pointer = load i8*, i8** %__saved_reg_area_end_pointer_p
69 %__new_saved_reg_area_pointer = getelementptr i8, i8* %__current_saved_reg_area_pointer, i32 4
70 %4 = icmp sgt i8* %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer
71 br i1 %4, label %vaarg.on_stack, label %vaarg.in_reg
73 vaarg.in_reg: ; preds = %vaarg.maybe_reg
74 %5 = bitcast i8* %__current_saved_reg_area_pointer to i32*
75 store i8* %__new_saved_reg_area_pointer, i8** %__current_saved_reg_area_pointer_p
78 vaarg.on_stack: ; preds = %vaarg.maybe_reg
79 %__overflow_area_pointer_p = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay4, i32 0, i32 2
80 %__overflow_area_pointer = load i8*, i8** %__overflow_area_pointer_p
81 %__overflow_area_pointer.next = getelementptr i8, i8* %__overflow_area_pointer, i32 4
82 store i8* %__overflow_area_pointer.next, i8** %__overflow_area_pointer_p
83 store i8* %__overflow_area_pointer.next, i8** %__current_saved_reg_area_pointer_p
84 %6 = bitcast i8* %__overflow_area_pointer to i32*
87 vaarg.end: ; preds = %vaarg.on_stack, %vaarg.in_reg
88 %vaarg.addr = phi i32* [ %5, %vaarg.in_reg ], [ %6, %vaarg.on_stack ]
89 %7 = load i32, i32* %vaarg.addr
90 store i32 %7, i32* %d, align 4
91 %8 = load i32, i32* %d, align 4
92 %9 = load i32, i32* %ret, align 4
93 %add5 = add nsw i32 %9, %8
94 store i32 %add5, i32* %ret, align 4
95 %arraydecay6 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
96 %__overflow_area_pointer_p7 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay6, i32 0, i32 2
97 %__overflow_area_pointer8 = load i8*, i8** %__overflow_area_pointer_p7
98 %10 = bitcast i8* %__overflow_area_pointer8 to %struct.AAA*
99 %__overflow_area_pointer.next9 = getelementptr i8, i8* %__overflow_area_pointer8, i32 16
100 store i8* %__overflow_area_pointer.next9, i8** %__overflow_area_pointer_p7
101 %11 = bitcast %struct.AAA* %ddd to i8*
102 %12 = bitcast %struct.AAA* %10 to i8*
103 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %11, i8* %12, i32 16, i32 4, i1 false)
104 %d10 = getelementptr inbounds %struct.AAA, %struct.AAA* %ddd, i32 0, i32 3
105 %13 = load i32, i32* %d10, align 4
106 %14 = load i32, i32* %ret, align 4
107 %add11 = add nsw i32 %14, %13
108 store i32 %add11, i32* %ret, align 4
109 %arraydecay12 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
110 %__overflow_area_pointer_p13 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay12, i32 0, i32 2
111 %__overflow_area_pointer14 = load i8*, i8** %__overflow_area_pointer_p13
112 %15 = bitcast i8* %__overflow_area_pointer14 to %struct.AAA*
113 %__overflow_area_pointer.next15 = getelementptr i8, i8* %__overflow_area_pointer14, i32 16
114 store i8* %__overflow_area_pointer.next15, i8** %__overflow_area_pointer_p13
115 %16 = bitcast %struct.AAA* %ggg to i8*
116 %17 = bitcast %struct.AAA* %15 to i8*
117 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %16, i8* %17, i32 16, i32 4, i1 false)
118 %d16 = getelementptr inbounds %struct.AAA, %struct.AAA* %ggg, i32 0, i32 3
119 %18 = load i32, i32* %d16, align 4
120 %19 = load i32, i32* %ret, align 4
121 %add17 = add nsw i32 %19, %18
122 store i32 %add17, i32* %ret, align 4
123 %arraydecay18 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
124 %__overflow_area_pointer_p19 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay18, i32 0, i32 2
125 %__overflow_area_pointer20 = load i8*, i8** %__overflow_area_pointer_p19
126 %20 = bitcast i8* %__overflow_area_pointer20 to %struct.AAA*
127 %__overflow_area_pointer.next21 = getelementptr i8, i8* %__overflow_area_pointer20, i32 16
128 store i8* %__overflow_area_pointer.next21, i8** %__overflow_area_pointer_p19
129 %21 = bitcast %struct.AAA* %nnn to i8*
130 %22 = bitcast %struct.AAA* %20 to i8*
131 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %21, i8* %22, i32 16, i32 4, i1 false)
132 %d22 = getelementptr inbounds %struct.AAA, %struct.AAA* %nnn, i32 0, i32 3
133 %23 = load i32, i32* %d22, align 4
134 %24 = load i32, i32* %ret, align 4
135 %add23 = add nsw i32 %24, %23
136 store i32 %add23, i32* %ret, align 4
137 %arraydecay24 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
138 br label %vaarg.maybe_reg25
140 vaarg.maybe_reg25: ; preds = %vaarg.end
141 %__current_saved_reg_area_pointer_p26 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay24, i32 0, i32 0
142 %__current_saved_reg_area_pointer27 = load i8*, i8** %__current_saved_reg_area_pointer_p26
143 %__saved_reg_area_end_pointer_p28 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay24, i32 0, i32 1
144 %__saved_reg_area_end_pointer29 = load i8*, i8** %__saved_reg_area_end_pointer_p28
145 %__new_saved_reg_area_pointer30 = getelementptr i8, i8* %__current_saved_reg_area_pointer27, i32 4
146 %25 = icmp sgt i8* %__new_saved_reg_area_pointer30, %__saved_reg_area_end_pointer29
147 br i1 %25, label %vaarg.on_stack32, label %vaarg.in_reg31
149 vaarg.in_reg31: ; preds = %vaarg.maybe_reg25
150 %26 = bitcast i8* %__current_saved_reg_area_pointer27 to i32*
151 store i8* %__new_saved_reg_area_pointer30, i8** %__current_saved_reg_area_pointer_p26
152 br label %vaarg.end36
154 vaarg.on_stack32: ; preds = %vaarg.maybe_reg25
155 %__overflow_area_pointer_p33 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay24, i32 0, i32 2
156 %__overflow_area_pointer34 = load i8*, i8** %__overflow_area_pointer_p33
157 %__overflow_area_pointer.next35 = getelementptr i8, i8* %__overflow_area_pointer34, i32 4
158 store i8* %__overflow_area_pointer.next35, i8** %__overflow_area_pointer_p33
159 store i8* %__overflow_area_pointer.next35, i8** %__current_saved_reg_area_pointer_p26
160 %27 = bitcast i8* %__overflow_area_pointer34 to i32*
161 br label %vaarg.end36
163 vaarg.end36: ; preds = %vaarg.on_stack32, %vaarg.in_reg31
164 %vaarg.addr37 = phi i32* [ %26, %vaarg.in_reg31 ], [ %27, %vaarg.on_stack32 ]
165 %28 = load i32, i32* %vaarg.addr37
166 store i32 %28, i32* %d, align 4
167 %29 = load i32, i32* %d, align 4
168 %30 = load i32, i32* %ret, align 4
169 %add38 = add nsw i32 %30, %29
170 store i32 %add38, i32* %ret, align 4
171 %31 = load i32, i32* %m.addr, align 4
172 %32 = load i32, i32* %ret, align 4
173 %add39 = add nsw i32 %32, %31
174 store i32 %add39, i32* %ret, align 4
175 %arraydecay40 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
176 %arraydecay4041 = bitcast %struct.__va_list_tag* %arraydecay40 to i8*
177 call void @llvm.va_end(i8* %arraydecay4041)
178 %33 = load i32, i32* %ret, align 4
182 ; Function Attrs: nounwind
183 declare void @llvm.va_start(i8*) #1
185 ; Function Attrs: nounwind
186 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
188 ; Function Attrs: nounwind
189 declare void @llvm.va_end(i8*) #1
191 ; Function Attrs: nounwind
192 define i32 @main() #0 {
194 %retval = alloca i32, align 4
195 %x = alloca i32, align 4
196 store i32 0, i32* %retval
197 %call = call i32 (i32, i32, i32, %struct.AAA*, %struct.AAA*, ...) @foo(i32 1, i32 3, i32 5, %struct.AAA* byval(%struct.AAA) align 4 @aaa, %struct.AAA* byval(%struct.AAA) align 4 @fff, i32 2, %struct.AAA* byval(%struct.AAA) align 4 @xxx, %struct.AAA* byval(%struct.AAA) align 4 @yyy, %struct.AAA* byval(%struct.AAA) align 4 @ccc, i32 4)
198 store i32 %call, i32* %x, align 4
199 %0 = load i32, i32* %x, align 4
200 %call1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 %0)
201 %1 = load i32, i32* %x, align 4
205 declare i32 @printf(i8*, ...) #2
207 attributes #0 = { nounwind }