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90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
// Test -fsanitize-memory-use-after-dtor
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// RUN: %clang_cc1 -O0 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_"
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// RUN: %clang_cc1 -O1 -fsanitize=memory -fsanitize-memory-use-after-dtor -disable-llvm-passes -std=c++11 -triple=x86_64-pc-linux -emit-llvm -debug-info-kind=line-tables-only -o - %s | FileCheck %s --implicit-check-not="call void @__sanitizer_"
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// 24 bytes total
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struct Packed {
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// Packed into 4 bytes
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unsigned int a : 1;
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unsigned int b : 1;
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//unsigned int c : 1;
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// Force alignment to next 4 bytes
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unsigned int : 0;
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unsigned int d : 1;
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// Force alignment, 8 more bytes
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double e = 5.0;
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// 4 bytes
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unsigned int f : 1;
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~Packed() {}
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};
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Packed p;
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// 1 byte total
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struct Empty {
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unsigned int : 0;
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~Empty() {}
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};
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Empty e;
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// 4 byte total
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struct Simple {
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unsigned int a : 1;
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~Simple() {}
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};
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Simple s;
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// 8 bytes total
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struct Anon {
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// 1 byte
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unsigned int a : 1;
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unsigned int b : 2;
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// Force alignment to next byte
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unsigned int : 0;
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unsigned int c : 1;
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~Anon() {}
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};
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Anon an;
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struct CharStruct {
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char c;
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~CharStruct();
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};
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struct Adjacent {
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CharStruct a;
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int b : 1;
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CharStruct c;
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~Adjacent() {}
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};
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Adjacent ad;
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// CHECK-LABEL: define {{.*}}PackedD2Ev
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// CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}i64 17{{.*}}, !dbg ![[DI1:[0-9]+]]
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}EmptyD2Ev
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}SimpleD2Ev
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// CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}i64 1{{.*}}, !dbg ![[DI2:[0-9]+]]
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}AnonD2Ev
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// CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}i64 5{{.*}}, !dbg ![[DI3:[0-9]+]]
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// CHECK: ret void
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// CHECK-LABEL: define {{.*}}AdjacentD2Ev
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// CHECK: call void @__sanitizer_dtor_callback_fields({{.*}}i64 1{{.*}}, !dbg ![[DI4:[0-9]+]]
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// CHECK: ret void
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// CHECK-LABEL: !DIFile{{.*}}cpp
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// CHECK-DAG: ![[DI1]] = {{.*}}line: [[@LINE-78]]
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// CHECK-DAG: ![[DI2]] = {{.*}}line: [[@LINE-54]]
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// CHECK-DAG: ![[DI3]] = {{.*}}line: [[@LINE-46]]
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// CHECK-DAG: ![[DI4]] = {{.*}}line: [[@LINE-30]]
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