forked from OSchip/llvm-project
36 lines
816 B
C++
36 lines
816 B
C++
// RUN: %clang_cc1 -x c++ -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=nullability-assign | FileCheck %s
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struct S1 {
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int *_Nonnull p;
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};
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struct S2 {
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S1 s1;
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};
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union U1 {
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S1 s1;
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S2 s2;
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};
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// CHECK-LABEL: define void @{{.*}}f1
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void f1(int *p) {
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U1 u;
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// CHECK: [[ICMP:%.*]] = icmp ne i32* {{.*}}, null, !nosanitize
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// CHECK-NEXT: br i1 [[ICMP]], {{.*}}, !nosanitize
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// CHECK: call void @__ubsan_handle_type_mismatch{{.*}} !nosanitize
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// CHECK: store
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u.s1.p = p;
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// CHECK: [[ICMP:%.*]] = icmp ne i32* {{.*}}, null, !nosanitize
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// CHECK-NEXT: br i1 [[ICMP]], {{.*}}, !nosanitize
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// CHECK: call void @__ubsan_handle_type_mismatch{{.*}} !nosanitize
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// CHECK: store
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u.s2.s1.p = p;
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// CHECK-NOT: __ubsan_handle_type_mismatch
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// CHECK-NOT: store
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// CHECK: ret void
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}
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