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,#-24)
10 ; CHECK: r7:6 = memd(r29+#24)
11 ; CHECK: memd(r29+#0) = r7:6
12 ; CHECK: r7:6 = memd(r29+#32)
13 ; CHECK: memd(r29+#8) = r7:6
14 ; CHECK: r7:6 = memd(r29+#40)
15 ; CHECK: memd(r29+#16) = r7:6
16 ; CHECK: memw(r29+#28) = r1
17 ; CHECK: memw(r29+#32) = r2
18 ; CHECK: memw(r29+#36) = r3
19 ; CHECK: memw(r29+#40) = r4
20 ; CHECK: memw(r29+#44) = r5
21 ; CHECK: r29 = add(r29,#24)
23 %struct.AAA = type { i32, i32, i32, i32 }
24 %struct.BBB = type { i8, i64, i32 }
25 %struct.__va_list_tag = type { i8*, i8*, i8* }
27 @aaa = global %struct.AAA { i32 100, i32 200, i32 300, i32 400 }, align 4
28 @ddd = global { i8, i64, i32, [4 x i8] } { i8 1, i64 1000000, i32 5, [4 x i8] undef }, align 8
29 @.str = private unnamed_addr constant [13 x i8] c"result = %d\0A\00", align 1
31 ; Function Attrs: nounwind
32 define i32 @foo(i32 %xx, %struct.BBB* byval(%struct.BBB) align 8 %eee, ...) #0 {
34 %xx.addr = alloca i32, align 4
35 %ap = alloca [1 x %struct.__va_list_tag], align 8
36 %d = alloca i32, align 4
37 %k = alloca i64, align 8
38 %ret = alloca i32, align 4
39 %bbb = alloca %struct.AAA, align 4
40 store i32 %xx, i32* %xx.addr, align 4
41 store i32 0, i32* %ret, align 4
42 %x = getelementptr inbounds %struct.BBB, %struct.BBB* %eee, i32 0, i32 0
43 %0 = load i8, i8* %x, align 1
44 %tobool = trunc i8 %0 to i1
45 br i1 %tobool, label %if.then, label %if.end
47 if.then: ; preds = %entry
48 store i32 1, i32* %ret, align 4
51 if.end: ; preds = %if.then, %entry
52 %arraydecay = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
53 %arraydecay1 = bitcast %struct.__va_list_tag* %arraydecay to i8*
54 call void @llvm.va_start(i8* %arraydecay1)
55 %arraydecay2 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
56 br label %vaarg.maybe_reg
58 vaarg.maybe_reg: ; preds = %if.end
59 %__current_saved_reg_area_pointer_p = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay2, i32 0, i32 0
60 %__current_saved_reg_area_pointer = load i8*, i8** %__current_saved_reg_area_pointer_p
61 %__saved_reg_area_end_pointer_p = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay2, i32 0, i32 1
62 %__saved_reg_area_end_pointer = load i8*, i8** %__saved_reg_area_end_pointer_p
63 %1 = ptrtoint i8* %__current_saved_reg_area_pointer to i32
64 %align_current_saved_reg_area_pointer = add i32 %1, 7
65 %align_current_saved_reg_area_pointer3 = and i32 %align_current_saved_reg_area_pointer, -8
66 %align_current_saved_reg_area_pointer4 = inttoptr i32 %align_current_saved_reg_area_pointer3 to i8*
67 %__new_saved_reg_area_pointer = getelementptr i8, i8* %align_current_saved_reg_area_pointer4, i32 8
68 %2 = icmp sgt i8* %__new_saved_reg_area_pointer, %__saved_reg_area_end_pointer
69 br i1 %2, label %vaarg.on_stack, label %vaarg.in_reg
71 vaarg.in_reg: ; preds = %vaarg.maybe_reg
72 %3 = bitcast i8* %align_current_saved_reg_area_pointer4 to i64*
73 store i8* %__new_saved_reg_area_pointer, i8** %__current_saved_reg_area_pointer_p
76 vaarg.on_stack: ; preds = %vaarg.maybe_reg
77 %__overflow_area_pointer_p = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay2, i32 0, i32 2
78 %__overflow_area_pointer = load i8*, i8** %__overflow_area_pointer_p
79 %4 = ptrtoint i8* %__overflow_area_pointer to i32
80 %align_overflow_area_pointer = add i32 %4, 7
81 %align_overflow_area_pointer5 = and i32 %align_overflow_area_pointer, -8
82 %align_overflow_area_pointer6 = inttoptr i32 %align_overflow_area_pointer5 to i8*
83 %__overflow_area_pointer.next = getelementptr i8, i8* %align_overflow_area_pointer6, i32 8
84 store i8* %__overflow_area_pointer.next, i8** %__overflow_area_pointer_p
85 store i8* %__overflow_area_pointer.next, i8** %__current_saved_reg_area_pointer_p
86 %5 = bitcast i8* %align_overflow_area_pointer6 to i64*
89 vaarg.end: ; preds = %vaarg.on_stack, %vaarg.in_reg
90 %vaarg.addr = phi i64* [ %3, %vaarg.in_reg ], [ %5, %vaarg.on_stack ]
91 %6 = load i64, i64* %vaarg.addr
92 store i64 %6, i64* %k, align 8
93 %7 = load i64, i64* %k, align 8
94 %conv = trunc i64 %7 to i32
95 %div = sdiv i32 %conv, 1000
96 %8 = load i32, i32* %ret, align 4
97 %add = add nsw i32 %8, %div
98 store i32 %add, i32* %ret, align 4
99 %arraydecay7 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
100 %__overflow_area_pointer_p8 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay7, i32 0, i32 2
101 %__overflow_area_pointer9 = load i8*, i8** %__overflow_area_pointer_p8
102 %9 = bitcast i8* %__overflow_area_pointer9 to %struct.AAA*
103 %__overflow_area_pointer.next10 = getelementptr i8, i8* %__overflow_area_pointer9, i32 16
104 store i8* %__overflow_area_pointer.next10, i8** %__overflow_area_pointer_p8
105 %10 = bitcast %struct.AAA* %bbb to i8*
106 %11 = bitcast %struct.AAA* %9 to i8*
107 call void @llvm.memcpy.p0i8.p0i8.i32(i8* %10, i8* %11, i32 16, i32 4, i1 false)
108 %d11 = getelementptr inbounds %struct.AAA, %struct.AAA* %bbb, i32 0, i32 3
109 %12 = load i32, i32* %d11, align 4
110 %13 = load i32, i32* %ret, align 4
111 %add12 = add nsw i32 %13, %12
112 store i32 %add12, i32* %ret, align 4
113 %arraydecay13 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
114 br label %vaarg.maybe_reg14
116 vaarg.maybe_reg14: ; preds = %vaarg.end
117 %__current_saved_reg_area_pointer_p15 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay13, i32 0, i32 0
118 %__current_saved_reg_area_pointer16 = load i8*, i8** %__current_saved_reg_area_pointer_p15
119 %__saved_reg_area_end_pointer_p17 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay13, i32 0, i32 1
120 %__saved_reg_area_end_pointer18 = load i8*, i8** %__saved_reg_area_end_pointer_p17
121 %__new_saved_reg_area_pointer19 = getelementptr i8, i8* %__current_saved_reg_area_pointer16, i32 4
122 %14 = icmp sgt i8* %__new_saved_reg_area_pointer19, %__saved_reg_area_end_pointer18
123 br i1 %14, label %vaarg.on_stack21, label %vaarg.in_reg20
125 vaarg.in_reg20: ; preds = %vaarg.maybe_reg14
126 %15 = bitcast i8* %__current_saved_reg_area_pointer16 to i32*
127 store i8* %__new_saved_reg_area_pointer19, i8** %__current_saved_reg_area_pointer_p15
128 br label %vaarg.end25
130 vaarg.on_stack21: ; preds = %vaarg.maybe_reg14
131 %__overflow_area_pointer_p22 = getelementptr inbounds %struct.__va_list_tag, %struct.__va_list_tag* %arraydecay13, i32 0, i32 2
132 %__overflow_area_pointer23 = load i8*, i8** %__overflow_area_pointer_p22
133 %__overflow_area_pointer.next24 = getelementptr i8, i8* %__overflow_area_pointer23, i32 4
134 store i8* %__overflow_area_pointer.next24, i8** %__overflow_area_pointer_p22
135 store i8* %__overflow_area_pointer.next24, i8** %__current_saved_reg_area_pointer_p15
136 %16 = bitcast i8* %__overflow_area_pointer23 to i32*
137 br label %vaarg.end25
139 vaarg.end25: ; preds = %vaarg.on_stack21, %vaarg.in_reg20
140 %vaarg.addr26 = phi i32* [ %15, %vaarg.in_reg20 ], [ %16, %vaarg.on_stack21 ]
141 %17 = load i32, i32* %vaarg.addr26
142 store i32 %17, i32* %d, align 4
143 %18 = load i32, i32* %d, align 4
144 %19 = load i32, i32* %ret, align 4
145 %add27 = add nsw i32 %19, %18
146 store i32 %add27, i32* %ret, align 4
147 %arraydecay28 = getelementptr inbounds [1 x %struct.__va_list_tag], [1 x %struct.__va_list_tag]* %ap, i32 0, i32 0
148 %arraydecay2829 = bitcast %struct.__va_list_tag* %arraydecay28 to i8*
149 call void @llvm.va_end(i8* %arraydecay2829)
150 %20 = load i32, i32* %ret, align 4
154 ; Function Attrs: nounwind
155 declare void @llvm.va_start(i8*) #1
157 ; Function Attrs: nounwind
158 declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #1
160 ; Function Attrs: nounwind
161 declare void @llvm.va_end(i8*) #1
163 ; Function Attrs: nounwind
164 define i32 @main() #0 {
166 %retval = alloca i32, align 4
167 %x = alloca i32, align 4
168 %m = alloca i64, align 8
169 store i32 0, i32* %retval
170 store i64 1000000, i64* %m, align 8
171 %0 = load i64, i64* %m, align 8
172 %call = call i32 (i32, %struct.BBB*, ...) @foo(i32 1, %struct.BBB* byval(%struct.BBB) align 8 bitcast ({ i8, i64, i32, [4 x i8] }* @ddd to %struct.BBB*), i64 %0, %struct.AAA* byval(%struct.AAA) align 4 @aaa, i32 4)
173 store i32 %call, i32* %x, align 4
174 %1 = load i32, i32* %x, align 4
175 %call1 = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([13 x i8], [13 x i8]* @.str, i32 0, i32 0), i32 %1)
176 %2 = load i32, i32* %x, align 4
180 declare i32 @printf(i8*, ...) #2
182 attributes #1 = { nounwind }