1; Test basic EfficiencySanitizer struct field count instrumentation.
2;
3; RUN: opt < %s -esan -esan-cache-frag -S | FileCheck %s
4
5%struct.A = type { i32, i32 }
6%union.U = type { double }
7%struct.C = type { %struct.anon, %union.anon, [10 x i8] }
8%struct.anon = type { i32, i32 }
9%union.anon = type { double }
10
11; CHECK:        @0 = private unnamed_addr constant [8 x i8] c"<stdin>\00", align 1
12; CHECK-NEXT:   @1 = private unnamed_addr constant [17 x i8] c"struct.A#2#11#11\00", align 1
13; CHECK-NEXT:   @"struct.A#2#11#11" = weak global [3 x i64] zeroinitializer
14; CHECK-NEXT:   @2 = internal constant [2 x i8*] [i8* getelementptr inbounds ([4 x i8], [4 x i8]* @5, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @6, i32 0, i32 0)]
15; CHECK-NEXT:   @3 = internal constant [2 x i32] [i32 0, i32 4]
16; CHECK-NEXT:   @4 = internal constant [2 x i32] [i32 4, i32 4]
17; CHECK-NEXT:   @5 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
18; CHECK-NEXT:   @6 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
19; CHECK-NEXT:   @7 = private unnamed_addr constant [12 x i8] c"union.U#1#3\00", align 1
20; CHECK-NEXT:   @"union.U#1#3" = weak global [2 x i64] zeroinitializer
21; CHECK-NEXT:   @8 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @11, i32 0, i32 0)]
22; CHECK-NEXT:   @9 = internal constant [1 x i32] zeroinitializer
23; CHECK-NEXT:   @10 = internal constant [1 x i32] [i32 8]
24; CHECK-NEXT:   @11 = private unnamed_addr constant [7 x i8] c"double\00", align 1
25; CHECK-NEXT:   @12 = private unnamed_addr constant [20 x i8] c"struct.C#3#14#13#13\00", align 1
26; CHECK-NEXT:   @"struct.C#3#14#13#13" = weak global [4 x i64] zeroinitializer
27; CHECK-NEXT:   @13 = internal constant [3 x i8*] [i8* getelementptr inbounds ([33 x i8], [33 x i8]* @16, i32 0, i32 0), i8* getelementptr inbounds ([30 x i8], [30 x i8]* @17, i32 0, i32 0), i8* getelementptr inbounds ([10 x i8], [10 x i8]* @18, i32 0, i32 0)]
28; CHECK-NEXT:   @14 = internal constant [3 x i32] [i32 0, i32 8, i32 16]
29; CHECK-NEXT:   @15 = internal constant [3 x i32] [i32 8, i32 8, i32 10]
30; CHECK-NEXT:   @16 = private unnamed_addr constant [33 x i8] c"%struct.anon = type { i32, i32 }\00", align 1
31; CHECK-NEXT:   @17 = private unnamed_addr constant [30 x i8] c"%union.anon = type { double }\00", align 1
32; CHECK-NEXT:   @18 = private unnamed_addr constant [10 x i8] c"[10 x i8]\00", align 1
33; CHECK-NEXT:   @19 = private unnamed_addr constant [20 x i8] c"struct.anon#2#11#11\00", align 1
34; CHECK-NEXT:   @"struct.anon#2#11#11" = weak global [3 x i64] zeroinitializer
35; CHECK-NEXT:   @20 = internal constant [2 x i8*] [i8* getelementptr inbounds ([4 x i8], [4 x i8]* @23, i32 0, i32 0), i8* getelementptr inbounds ([4 x i8], [4 x i8]* @24, i32 0, i32 0)]
36; CHECK-NEXT:   @21 = internal constant [2 x i32] [i32 0, i32 4]
37; CHECK-NEXT:   @22 = internal constant [2 x i32] [i32 4, i32 4]
38; CHECK-NEXT:   @23 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
39; CHECK-NEXT:   @24 = private unnamed_addr constant [4 x i8] c"i32\00", align 1
40; CHECK-NEXT:   @25 = private unnamed_addr constant [15 x i8] c"union.anon#1#3\00", align 1
41; CHECK-NEXT:   @"union.anon#1#3" = weak global [2 x i64] zeroinitializer
42; CHECK-NEXT:   @26 = internal constant [1 x i8*] [i8* getelementptr inbounds ([7 x i8], [7 x i8]* @29, i32 0, i32 0)]
43; CHECK-NEXT:   @27 = internal constant [1 x i32] zeroinitializer
44; CHECK-NEXT:   @28 = internal constant [1 x i32] [i32 8]
45; CHECK-NEXT:   @29 = private unnamed_addr constant [7 x i8] c"double\00", align 1
46; CHECK-NEXT:   @30 = internal global [5 x { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* }] [{ i8*, i32, i32, i32*, i32*, i8**, i64*, i64* } { i8* getelementptr inbounds ([17 x i8], [17 x i8]* @1, i32 0, i32 0), i32 8, i32 2, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @3, i32 0, i32 0), i32* getelementptr inbounds ([2 x i32], [2 x i32]* @4, i32 0, i32 0), i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @2, i32 0, i32 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.A#2#11#11", i32 0, i32 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.A#2#11#11", i32 0, i32 2) }, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* } { i8* getelementptr inbounds ([12 x i8], [12 x i8]* @7, i32 0, i32 0), i32 8, i32 1, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @9, i32 0, i32 0), i32* getelementptr inbounds ([1 x i32], [1 x i32]* @10, i32 0, i32 0), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @8, i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"union.U#1#3", i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"union.U#1#3", i32 0, i32 1) }, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* } { i8* getelementptr inbounds ([20 x i8], [20 x i8]* @12, i32 0, i32 0), i32 32, i32 3, i32* getelementptr inbounds ([3 x i32], [3 x i32]* @14, i32 0, i32 0), i32* getelementptr inbounds ([3 x i32], [3 x i32]* @15, i32 0, i32 0), i8** getelementptr inbounds ([3 x i8*], [3 x i8*]* @13, i32 0, i32 0), i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 0), i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3) }, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* } { i8* getelementptr inbounds ([20 x i8], [20 x i8]* @19, i32 0, i32 0), i32 8, i32 2, i32* getelementptr inbounds ([2 x i32], [2 x i32]* @21, i32 0, i32 0), i32* getelementptr inbounds ([2 x i32], [2 x i32]* @22, i32 0, i32 0), i8** getelementptr inbounds ([2 x i8*], [2 x i8*]* @20, i32 0, i32 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.anon#2#11#11", i32 0, i32 0), i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.anon#2#11#11", i32 0, i32 2) }, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* } { i8* getelementptr inbounds ([15 x i8], [15 x i8]* @25, i32 0, i32 0), i32 8, i32 1, i32* getelementptr inbounds ([1 x i32], [1 x i32]* @27, i32 0, i32 0), i32* getelementptr inbounds ([1 x i32], [1 x i32]* @28, i32 0, i32 0), i8** getelementptr inbounds ([1 x i8*], [1 x i8*]* @26, i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"union.anon#1#3", i32 0, i32 0), i64* getelementptr inbounds ([2 x i64], [2 x i64]* @"union.anon#1#3", i32 0, i32 1) }]
47; CHECK-NEXT:   @31 = internal constant { i8*, i32, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* }* } { i8* getelementptr inbounds ([8 x i8], [8 x i8]* @0, i32 0, i32 0), i32 5, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* }* getelementptr inbounds ([5 x { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* }], [5 x { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* }]* @30, i32 0, i32 0) }
48
49define i32 @main() {
50entry:
51  %a = alloca %struct.A, align 4
52  %u = alloca %union.U, align 8
53  %c = alloca [2 x %struct.C], align 16
54  %k = alloca %struct.A*, align 8
55  %x = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 0
56  %y = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 1
57  %f = bitcast %union.U* %u to float*
58  %d = bitcast %union.U* %u to double*
59  %arrayidx = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 0
60  %cs = getelementptr inbounds %struct.C, %struct.C* %arrayidx, i32 0, i32 0
61  %x1 = getelementptr inbounds %struct.anon, %struct.anon* %cs, i32 0, i32 0
62  %arrayidx2 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 1
63  %cs3 = getelementptr inbounds %struct.C, %struct.C* %arrayidx2, i32 0, i32 0
64  %y4 = getelementptr inbounds %struct.anon, %struct.anon* %cs3, i32 0, i32 1
65  %arrayidx5 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 0
66  %cu = getelementptr inbounds %struct.C, %struct.C* %arrayidx5, i32 0, i32 1
67  %f6 = bitcast %union.anon* %cu to float*
68  %arrayidx7 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 1
69  %cu8 = getelementptr inbounds %struct.C, %struct.C* %arrayidx7, i32 0, i32 1
70  %d9 = bitcast %union.anon* %cu8 to double*
71  %arrayidx10 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 0
72  %c11 = getelementptr inbounds %struct.C, %struct.C* %arrayidx10, i32 0, i32 2
73  %arrayidx12 = getelementptr inbounds [10 x i8], [10 x i8]* %c11, i64 0, i64 2
74  %k1 = load %struct.A*, %struct.A** %k, align 8
75  %arrayidx13 = getelementptr inbounds %struct.A, %struct.A* %k1, i64 0
76  ret i32 0
77}
78
79; CHECK: @llvm.global_ctors = {{.*}}@esan.module_ctor
80; CHECK: @llvm.global_dtors = {{.*}}@esan.module_dtor
81
82; CHECK:        %a = alloca %struct.A, align 4
83; CHECK-NEXT:   %u = alloca %union.U, align 8
84; CHECK-NEXT:   %c = alloca [2 x %struct.C], align 16
85; CHECK-NEXT:   %k = alloca %struct.A*, align 8
86; CHECK-NEXT:   %0 = load i64, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.A#2#11#11", i32 0, i32 0)
87; CHECK-NEXT:   %1 = add i64 %0, 1
88; CHECK-NEXT:   store i64 %1, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.A#2#11#11", i32 0, i32 0)
89; CHECK-NEXT:   %x = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 0
90; CHECK-NEXT:   %2 = load i64, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.A#2#11#11", i32 0, i32 1)
91; CHECK-NEXT:   %3 = add i64 %2, 1
92; CHECK-NEXT:   store i64 %3, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.A#2#11#11", i32 0, i32 1)
93; CHECK-NEXT:   %y = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 1
94; CHECK-NEXT:   %f = bitcast %union.U* %u to float*
95; CHECK-NEXT:   %d = bitcast %union.U* %u to double*
96; CHECK-NEXT:   %4 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
97; CHECK-NEXT:   %5 = add i64 %4, 1
98; CHECK-NEXT:   store i64 %5, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
99; CHECK-NEXT:   %arrayidx = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 0
100; CHECK-NEXT:   %6 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 0)
101; CHECK-NEXT:   %7 = add i64 %6, 1
102; CHECK-NEXT:   store i64 %7, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 0)
103; CHECK-NEXT:   %cs = getelementptr inbounds %struct.C, %struct.C* %arrayidx, i32 0, i32 0
104; CHECK-NEXT:   %8 = load i64, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.anon#2#11#11", i32 0, i32 0)
105; CHECK-NEXT:   %9 = add i64 %8, 1
106; CHECK-NEXT:   store i64 %9, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.anon#2#11#11", i32 0, i32 0)
107; CHECK-NEXT:   %x1 = getelementptr inbounds %struct.anon, %struct.anon* %cs, i32 0, i32 0
108; CHECK-NEXT:   %10 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
109; CHECK-NEXT:   %11 = add i64 %10, 1
110; CHECK-NEXT:   store i64 %11, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
111; CHECK-NEXT:   %arrayidx2 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 1
112; CHECK-NEXT:   %12 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 0)
113; CHECK-NEXT:   %13 = add i64 %12, 1
114; CHECK-NEXT:   store i64 %13, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 0)
115; CHECK-NEXT:   %cs3 = getelementptr inbounds %struct.C, %struct.C* %arrayidx2, i32 0, i32 0
116; CHECK-NEXT:   %14 = load i64, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.anon#2#11#11", i32 0, i32 1)
117; CHECK-NEXT:   %15 = add i64 %14, 1
118; CHECK-NEXT:   store i64 %15, i64* getelementptr inbounds ([3 x i64], [3 x i64]* @"struct.anon#2#11#11", i32 0, i32 1)
119; CHECK-NEXT:   %y4 = getelementptr inbounds %struct.anon, %struct.anon* %cs3, i32 0, i32 1
120; CHECK-NEXT:   %16 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
121; CHECK-NEXT:   %17 = add i64 %16, 1
122; CHECK-NEXT:   store i64 %17, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
123; CHECK-NEXT:   %arrayidx5 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 0
124; CHECK-NEXT:   %18 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 1)
125; CHECK-NEXT:   %19 = add i64 %18, 1
126; CHECK-NEXT:   store i64 %19, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 1)
127; CHECK-NEXT:   %cu = getelementptr inbounds %struct.C, %struct.C* %arrayidx5, i32 0, i32 1
128; CHECK-NEXT:   %f6 = bitcast %union.anon* %cu to float*
129; CHECK-NEXT:   %20 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
130; CHECK-NEXT:   %21 = add i64 %20, 1
131; CHECK-NEXT:   store i64 %21, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
132; CHECK-NEXT:   %arrayidx7 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 1
133; CHECK-NEXT:   %22 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 1)
134; CHECK-NEXT:   %23 = add i64 %22, 1
135; CHECK-NEXT:   store i64 %23, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 1)
136; CHECK-NEXT:   %cu8 = getelementptr inbounds %struct.C, %struct.C* %arrayidx7, i32 0, i32 1
137; CHECK-NEXT:   %d9 = bitcast %union.anon* %cu8 to double*
138; CHECK-NEXT:   %24 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
139; CHECK-NEXT:   %25 = add i64 %24, 1
140; CHECK-NEXT:   store i64 %25, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 3)
141; CHECK-NEXT:   %arrayidx10 = getelementptr inbounds [2 x %struct.C], [2 x %struct.C]* %c, i64 0, i64 0
142; CHECK-NEXT:   %26 = load i64, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 2)
143; CHECK-NEXT:   %27 = add i64 %26, 1
144; CHECK-NEXT:   store i64 %27, i64* getelementptr inbounds ([4 x i64], [4 x i64]* @"struct.C#3#14#13#13", i32 0, i32 2)
145; CHECK-NEXT:   %c11 = getelementptr inbounds %struct.C, %struct.C* %arrayidx10, i32 0, i32 2
146; CHECK-NEXT:   %arrayidx12 = getelementptr inbounds [10 x i8], [10 x i8]* %c11, i64 0, i64 2
147; CHECK-NEXT:   %k1 = load %struct.A*, %struct.A** %k, align 8
148; CHECK-NEXT:   %arrayidx13 = getelementptr inbounds %struct.A, %struct.A* %k1, i64 0
149; CHECK-NEXT:   ret i32 0
150
151;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
152; Top-level:
153
154; CHECK: define internal void @esan.module_ctor()
155; CHECK: call void @__esan_init(i32 1, i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* }* }* @31 to i8*))
156; CHECK: define internal void @esan.module_dtor()
157; CHECK: call void @__esan_exit(i8* bitcast ({ i8*, i32, { i8*, i32, i32, i32*, i32*, i8**, i64*, i64* }* }* @31 to i8*))
158