30 lines · cpp
1// RUN: %clang_cc1 -fsanitize=address -emit-llvm -o - -triple x86_64-linux %s | FileCheck %s --check-prefixes=CHECK,INDICATOR1,GLOB_ALIAS_INDICATOR,ALIAS12// RUN: %clang_cc1 -fsanitize=address -fno-sanitize-address-use-odr-indicator -emit-llvm -o - -triple x86_64-linux %s | FileCheck %s --check-prefixes=CHECK,INDICATOR0,GLOB_VAR,ALIAS03// RUN: %clang_cc1 -fsanitize=address -fno-sanitize-address-use-odr-indicator -fsanitize-address-use-odr-indicator -emit-llvm -o - -triple x86_64-linux %s | FileCheck %s --check-prefixes=CHECK,INDICATOR1,GLOB_ALIAS_INDICATOR,ALIAS14// RUN: %clang_cc1 -fsanitize=address -fsanitize-address-use-odr-indicator -fno-sanitize-address-use-odr-indicator -emit-llvm -o - -triple x86_64-linux %s | FileCheck %s --check-prefixes=CHECK,INDICATOR0,GLOB_VAR,ALIAS05 6// No alias on Windows but indicators should work.7// RUN: %clang_cc1 -fsanitize=address -fno-sanitize-address-use-odr-indicator -emit-llvm -o - -triple x86_64-windows-msvc %s | FileCheck %s --check-prefixes=CHECK,GLOB_VAR,ALIAS08// RUN: %clang_cc1 -fsanitize=address -emit-llvm -o - -triple x86_64-windows-msvc %s | FileCheck %s --check-prefixes=CHECK,INDICATOR1,GLOB_VAR_INDICATOR,ALIAS09 10int global;11 12int main() {13 return global;14}15 16// CHECK: [[VAR:@.*global.*]] ={{.*}} global { i32, [28 x i8] } zeroinitializer, align 3217 18// INDICATOR0-NOT: __odr_asan_gen19// INDICATOR1: [[ODR:@.*__odr_asan_gen_.*global.*]] = global i8 0, align 120 21// GLOB_VAR: @0 = internal global {{.*}} [[VAR]] to i64), {{.*}}, i64 0 }]22// GLOB_VAR_INDICATOR: @0 = internal global {{.*}} [[VAR]] to i64), {{.*}}, i64 ptrtoint (ptr [[ODR]] to i64) }]23// GLOB_ALIAS_INDICATOR: @0 = internal global {{.*}} @1 to i64), {{.*}}, i64 ptrtoint (ptr [[ODR]] to i64) }]24 25// ALIAS0-NOT: private alias26// ALIAS1: @1 = private alias {{.*}} [[VAR]]27 28// CHECK: call void @__asan_register_globals(i64 ptrtoint (ptr @0 to i64), i64 1)29// CHECK: call void @__asan_unregister_globals(i64 ptrtoint (ptr @0 to i64), i64 1)30