diff options
Diffstat (limited to 'test/CodeGenCXX/ubsan-suppress-checks.cpp')
-rw-r--r-- | test/CodeGenCXX/ubsan-suppress-checks.cpp | 28 |
1 files changed, 21 insertions, 7 deletions
diff --git a/test/CodeGenCXX/ubsan-suppress-checks.cpp b/test/CodeGenCXX/ubsan-suppress-checks.cpp index 8ec94556c136..d0e7b32ef96c 100644 --- a/test/CodeGenCXX/ubsan-suppress-checks.cpp +++ b/test/CodeGenCXX/ubsan-suppress-checks.cpp @@ -2,6 +2,20 @@ // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=null | FileCheck %s --check-prefixes=CHECK,NULL // RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=alignment,null -DCHECK_LAMBDA | FileCheck %s --check-prefixes=LAMBDA +// CHECK-LABEL: define void @_Z22load_non_null_pointersv +void load_non_null_pointers() { + int var; + var = *&var; + + int arr[1]; + arr[0] = arr[0]; + + char c = "foo"[0]; + + // CHECK-NOT: icmp ne {{.*}}, null, !nosanitize + // CHECK: ret void +} + struct A { int foo; @@ -29,8 +43,7 @@ struct A { }; f(); - // LAMBDA: icmp ne %class.anon* %[[FUNCVAR:.*]], null, !nosanitize - // LAMBDA: %[[LAMBDAINT:[0-9]+]] = ptrtoint %class.anon* %[[FUNCVAR]] to i64, !nosanitize + // LAMBDA: %[[LAMBDAINT:[0-9]+]] = ptrtoint %class.anon* %[[FUNCVAR:.*]] to i64, !nosanitize // LAMBDA: and i64 %[[LAMBDAINT]], 7, !nosanitize // LAMBDA: call void @__ubsan_handle_type_mismatch @@ -127,8 +140,8 @@ struct A { struct B { operator A*() const { return nullptr; } - // CHECK-LABEL: define linkonce_odr i32 @_ZN1B11load_memberEv - static int load_member() { + // CHECK-LABEL: define linkonce_odr i32 @_ZN1B11load_memberEPS_ + static int load_member(B *bp) { // Check &b before converting it to an A*. // CHECK: call void @__ubsan_handle_type_mismatch // @@ -136,8 +149,7 @@ struct B { // NULL: call void @__ubsan_handle_type_mismatch // // CHECK-NOT: call void @__ubsan_handle_type_mismatch - B b; - return static_cast<A *>(b)->load_member(); + return static_cast<A *>(*bp)->load_member(); // CHECK: ret i32 } }; @@ -210,7 +222,7 @@ void force_irgen() { A::call_through_reference(*a); A::call_through_pointer(a); - B::load_member(); + B::load_member(nullptr); Base *b = new Derived; b->load_member_1(); @@ -218,4 +230,6 @@ void force_irgen() { Derived *d; d->load_member_2(); d->load_member_3(); + + load_non_null_pointers(); } |