forked from OSchip/llvm-project
37 lines
1.7 KiB
C++
37 lines
1.7 KiB
C++
// RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-mfcall -fsanitize-trap=cfi-mfcall -fvisibility hidden -emit-llvm -o - %s | FileCheck %s
|
|
// RUN: %clang_cc1 -triple x86_64-unknown-linux -fsanitize=cfi-mfcall -fsanitize-trap=cfi-mfcall -fvisibility default -emit-llvm -o - %s | FileCheck --check-prefix=DEFAULT %s
|
|
// With -fwhole-program-vtables we should get the member function pointer type
|
|
// test, even without hidden visibility.
|
|
// RUN: %clang_cc1 -triple x86_64-unknown-linux -fwhole-program-vtables -emit-llvm -o - %s | FileCheck %s --check-prefix=WPV
|
|
|
|
struct B1 {};
|
|
struct B2 {};
|
|
struct B3 : B2 {};
|
|
struct S : B1, B3 {};
|
|
|
|
// DEFAULT-NOT: llvm.type.test
|
|
|
|
void f(S *s, void (S::*p)()) {
|
|
// WPV: [[OFFSET:%.*]] = sub i64 {{.*}}, 1
|
|
// WPV: [[VFPTR:%.*]] = getelementptr i8, i8* %{{.*}}, i64 [[OFFSET]]
|
|
// WPV: [[TT:%.*]] = call i1 @llvm.type.test(i8* [[VFPTR]], metadata !"_ZTSM1SFvvE.virtual")
|
|
// CHECK: [[OFFSET:%.*]] = sub i64 {{.*}}, 1
|
|
// CHECK: [[VFPTR:%.*]] = getelementptr i8, i8* %{{.*}}, i64 [[OFFSET]]
|
|
// CHECK: [[TT:%.*]] = call i1 @llvm.type.test(i8* [[VFPTR]], metadata !"_ZTSM1SFvvE.virtual")
|
|
// CHECK: br i1 [[TT]], label {{.*}}, label %[[TRAP1:[^,]*]]
|
|
|
|
// CHECK: [[TRAP1]]:
|
|
// CHECK-NEXT: llvm.trap
|
|
|
|
// CHECK: [[NVFPTR:%.*]] = bitcast void (%struct.S*)* {{.*}} to i8*
|
|
// CHECK: [[TT1:%.*]] = call i1 @llvm.type.test(i8* [[NVFPTR]], metadata !"_ZTSM2B1FvvE")
|
|
// CHECK: [[OR1:%.*]] = or i1 false, [[TT1]]
|
|
// CHECK: [[TT2:%.*]] = call i1 @llvm.type.test(i8* [[NVFPTR]], metadata !"_ZTSM2B2FvvE")
|
|
// CHECK: [[OR2:%.*]] = or i1 [[OR1]], [[TT2]]
|
|
// CHECK: br i1 [[OR2]], label {{.*}}, label %[[TRAP2:[^,]*]]
|
|
|
|
// CHECK: [[TRAP2]]:
|
|
// CHECK-NEXT: llvm.trap
|
|
(s->*p)();
|
|
}
|