// RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 \ // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso \ // RUN: -emit-llvm -o - %s | FileCheck \ // RUN: --check-prefix=CHECK --check-prefix=CHECK-DIAG \ // RUN: --check-prefix=ITANIUM --check-prefix=ITANIUM-DIAG \ // RUN: %s // RUN: %clang_cc1 -triple x86_64-unknown-linux -O1 \ // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso -fsanitize-trap=cfi-icall \ // RUN: -emit-llvm -o - %s | FileCheck \ // RUN: --check-prefix=CHECK \ // RUN: --check-prefix=ITANIUM --check-prefix=ITANIUM-TRAP \ // RUN: %s // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -O1 \ // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso \ // RUN: -emit-llvm -o - %s | FileCheck \ // RUN: --check-prefix=CHECK --check-prefix=CHECK-DIAG \ // RUN: --check-prefix=MS --check-prefix=MS-DIAG \ // RUN: %s // RUN: %clang_cc1 -triple x86_64-pc-windows-msvc -O1 \ // RUN: -fsanitize=cfi-icall -fsanitize-cfi-cross-dso -fsanitize-trap=cfi-icall \ // RUN: -emit-llvm -o - %s | FileCheck \ // RUN: --check-prefix=CHECK \ // RUN: --check-prefix=MS --check-prefix=MS-TRAP \ // RUN: %s // CHECK-DIAG: @[[SRC:.*]] = private unnamed_addr constant {{.*}}cfi-icall-cross-dso.c\00 // CHECK-DIAG: @[[TYPE:.*]] = private unnamed_addr constant { i16, i16, [{{.*}} x i8] } { i16 -1, i16 0, [{{.*}} x i8] c"'void ()'\00" // CHECK-DIAG: @[[DATA:.*]] = private unnamed_addr global {{.*}}@[[SRC]]{{.*}}@[[TYPE]] // ITANIUM: call i1 @llvm.type.test(i8* %{{.*}}, metadata !"_ZTSFvE"), !nosanitize // ITANIUM-DIAG: call void @__cfi_slowpath_diag(i64 6588678392271548388, i8* %{{.*}}, {{.*}}@[[DATA]]{{.*}}) {{.*}}, !nosanitize // ITANIUM-TRAP: call void @__cfi_slowpath(i64 6588678392271548388, i8* %{{.*}}) {{.*}}, !nosanitize // MS: call i1 @llvm.type.test(i8* %{{.*}}, metadata !"?6AX@Z"), !nosanitize // MS-DIAG: call void @__cfi_slowpath_diag(i64 4195979634929632483, i8* %{{.*}}, {{.*}}@[[DATA]]{{.*}}) {{.*}}, !nosanitize // MS-TRAP: call void @__cfi_slowpath(i64 4195979634929632483, i8* %{{.*}}) {{.*}}, !nosanitize // ITANIUM-DIAG: declare void @__cfi_slowpath_diag( // ITANIUM-TRAP: declare void @__cfi_slowpath( // MS-DIAG: declare dso_local void @__cfi_slowpath_diag( // MS-TRAP: declare dso_local void @__cfi_slowpath( void caller(void (*f)()) { f(); } // Check that we emit both string and hash based type entries for static void g(), // and don't emit them for the declaration of h(). // CHECK: define internal void @g({{.*}} !type [[TVOID:![0-9]+]] !type [[TVOID_GENERALIZED:![0-9]+]] !type [[TVOID_ID:![0-9]+]] static void g(void) {} // CHECK: declare {{(dso_local )?}}void @h({{[^!]*$}} void h(void); typedef void (*Fn)(void); Fn g1() { return &g; } Fn h1() { return &h; } // CHECK: define {{(dso_local )?}}void @bar({{.*}} !type [[TNOPROTO:![0-9]+]] !type [[TNOPROTO_GENERALIZED:![0-9]+]] !type [[TNOPROTO_ID:![0-9]+]] // ITANIUM: define available_externally void @foo({{[^!]*$}} // MS: define linkonce_odr dso_local void @foo({{.*}} !type [[TNOPROTO]] !type [[TNOPROTO_GENERALIZED:![0-9]+]] !type [[TNOPROTO_ID]] inline void foo() {} void bar() { foo(); } // ITANIUM: define weak void @__cfi_check // MS: define weak dso_local void @__cfi_check // CHECK: !{i32 4, !"Cross-DSO CFI", i32 1} // Check that the type entries are correct. // ITANIUM: [[TVOID]] = !{i64 0, !"_ZTSFvvE"} // ITANIUM: [[TVOID_GENERALIZED]] = !{i64 0, !"_ZTSFvvE.generalized"} // ITANIUM: [[TVOID_ID]] = !{i64 0, i64 9080559750644022485} // ITANIUM: [[TNOPROTO]] = !{i64 0, !"_ZTSFvE"} // ITANIUM: [[TNOPROTO_GENERALIZED]] = !{i64 0, !"_ZTSFvE.generalized"} // ITANIUM: [[TNOPROTO_ID]] = !{i64 0, i64 6588678392271548388} // MS: [[TVOID]] = !{i64 0, !"?6AXXZ"} // MS: [[TVOID_GENERALIZED]] = !{i64 0, !"?6AXXZ.generalized"} // MS: [[TVOID_ID]] = !{i64 0, i64 5113650790573562461} // MS: [[TNOPROTO]] = !{i64 0, !"?6AX@Z"} // MS: [[TNOPROTO_GENERALIZED]] = !{i64 0, !"?6AX@Z.generalized"} // MS: [[TNOPROTO_ID]] = !{i64 0, i64 4195979634929632483}