diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:11:37 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-12-18 20:11:37 +0000 |
| commit | 461a67fa15370a9ec88f8f8a240bf7c123bb2029 (patch) | |
| tree | 6942083d7d56bba40ec790a453ca58ad3baf6832 /test/CodeGenCXX/ubsan-devirtualized-calls.cpp | |
| parent | 75c3240472ba6ac2669ee72ca67eb72d4e2851fc (diff) | |
Notes
Diffstat (limited to 'test/CodeGenCXX/ubsan-devirtualized-calls.cpp')
| -rw-r--r-- | test/CodeGenCXX/ubsan-devirtualized-calls.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/test/CodeGenCXX/ubsan-devirtualized-calls.cpp b/test/CodeGenCXX/ubsan-devirtualized-calls.cpp index bc8861aa8314..f4ccdbf6474a 100644 --- a/test/CodeGenCXX/ubsan-devirtualized-calls.cpp +++ b/test/CodeGenCXX/ubsan-devirtualized-calls.cpp @@ -1,4 +1,4 @@ -// RUN: %clang_cc1 -std=c++11 -triple %itanium_abi_triple -emit-llvm -fsanitize=vptr %s -o - | FileCheck %s +// RUN: %clang_cc1 -std=c++11 -triple %itanium_abi_triple -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s struct Base1 { virtual void f1() {} @@ -64,6 +64,11 @@ void t4() { // CHECK-NEXT: call void @__ubsan_handle_dynamic_type_cache{{[_a-z]*}}({{.*}} [[UBSAN_TI_DERIVED3]] {{.*}}, i{{[0-9]+}} %[[P1]] static_cast<Base1 *>(badp)->f1(); //< No devirt, test 'badp isa Base1'. + // We were able to skip the null check on the first type check because 'p' + // is backed by an alloca. We can't skip the second null check because 'badp' + // is a (bitcast (load ...)). + // CHECK: call void @__ubsan_handle_type_mismatch + // // CHECK: %[[BADP1:[0-9]+]] = ptrtoint %struct.Base1* {{%[0-9]+}} to i{{[0-9]+}}, !nosanitize // CHECK-NEXT: call void @__ubsan_handle_dynamic_type_cache{{[_a-z]*}}({{.*}} [[UBSAN_TI_BASE1]] {{.*}}, i{{[0-9]+}} %[[BADP1]] } @@ -76,6 +81,8 @@ void t5() { // CHECK-NEXT: call void @__ubsan_handle_dynamic_type_cache{{[_a-z]*}}({{.*}} [[UBSAN_TI_DERIVED4_1]] {{.*}}, i{{[0-9]+}} %[[P1]] static_cast<Base1 *>(badp)->f1(); //< Devirt Base1::f1 to Derived4::f1. + // CHECK: call void @__ubsan_handle_type_mismatch + // // CHECK: %[[BADP1:[0-9]+]] = ptrtoint %struct.Derived4* {{%[0-9]+}} to i{{[0-9]+}}, !nosanitize // CHECK-NEXT: call void @__ubsan_handle_dynamic_type_cache{{[_a-z]*}}({{.*}} [[UBSAN_TI_DERIVED4_2]] {{.*}}, i{{[0-9]+}} %[[BADP1]] } |
