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authorDimitry Andric <dim@FreeBSD.org>2017-12-18 20:11:37 +0000
committerDimitry Andric <dim@FreeBSD.org>2017-12-18 20:11:37 +0000
commit461a67fa15370a9ec88f8f8a240bf7c123bb2029 (patch)
tree6942083d7d56bba40ec790a453ca58ad3baf6832 /test/CodeGenCXX/ubsan-devirtualized-calls.cpp
parent75c3240472ba6ac2669ee72ca67eb72d4e2851fc (diff)
Notes
Diffstat (limited to 'test/CodeGenCXX/ubsan-devirtualized-calls.cpp')
-rw-r--r--test/CodeGenCXX/ubsan-devirtualized-calls.cpp9
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]]
}