1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow -fsanitize-recover=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=RECOVER
2// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=ABORT
3// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=null,object-size,alignment -fsanitize-recover=object-size %s -emit-llvm -o - | FileCheck %s --check-prefix=PARTIAL
4
5// RECOVER: @test
6// ABORT: @test
7void test() {
8  extern volatile unsigned x, y, z;
9
10  // RECOVER: uadd.with.overflow.i32
11  // RECOVER: ubsan_handle_add_overflow(
12  // RECOVER-NOT: unreachable
13  // ABORT: uadd.with.overflow.i32
14  // ABORT: ubsan_handle_add_overflow_abort(
15  // ABORT: unreachable
16  x = y + z;
17}
18
19void foo() {
20  union { int i; } u;
21  u.i=1;
22  // PARTIAL:      %[[CHECK0:.*]] = icmp ne {{.*}}* %[[PTR:.*]], null
23
24  // PARTIAL:      %[[SIZE:.*]] = call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false)
25  // PARTIAL-NEXT: %[[CHECK1:.*]] = icmp uge i64 %[[SIZE]], 4
26
27  // PARTIAL:      %[[MISALIGN:.*]] = and i64 {{.*}}, 3
28  // PARTIAL-NEXT: %[[CHECK2:.*]] = icmp eq i64 %[[MISALIGN]], 0
29
30  // PARTIAL:      %[[CHECK02:.*]] = and i1 %[[CHECK0]], %[[CHECK2]]
31  // PARTIAL-NEXT: %[[CHECK012:.*]] = and i1 %[[CHECK02]], %[[CHECK1]]
32
33  // PARTIAL:      br i1 %[[CHECK012]], {{.*}} !prof ![[WEIGHT_MD:.*]], !nosanitize
34
35  // PARTIAL:      br i1 %[[CHECK02]], {{.*}}
36  // PARTIAL:      call void @__ubsan_handle_type_mismatch_abort(
37  // PARTIAL-NEXT: unreachable
38  // PARTIAL:      call void @__ubsan_handle_type_mismatch(
39}
40