| // 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 |
| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=ABORT |
| // 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 |
| |
| // RECOVER: @test |
| // ABORT: @test |
| void test() { |
| extern volatile unsigned x, y, z; |
| |
| // RECOVER: uadd.with.overflow.i32 |
| // RECOVER: ubsan_handle_add_overflow( |
| // RECOVER-NOT: unreachable |
| // ABORT: uadd.with.overflow.i32 |
| // ABORT: ubsan_handle_add_overflow_abort( |
| // ABORT: unreachable |
| x = y + z; |
| } |
| |
| void foo() { |
| union { int i; } u; |
| u.i=1; |
| // PARTIAL: %[[CHECK0:.*]] = icmp ne {{.*}}* %[[PTR:.*]], null |
| |
| // PARTIAL: %[[SIZE:.*]] = call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false) |
| // PARTIAL-NEXT: %[[CHECK1:.*]] = icmp uge i64 %[[SIZE]], 4 |
| |
| // PARTIAL: %[[MISALIGN:.*]] = and i64 {{.*}}, 3 |
| // PARTIAL-NEXT: %[[CHECK2:.*]] = icmp eq i64 %[[MISALIGN]], 0 |
| |
| // PARTIAL: %[[CHECK02:.*]] = and i1 %[[CHECK0]], %[[CHECK2]] |
| // PARTIAL-NEXT: %[[CHECK012:.*]] = and i1 %[[CHECK02]], %[[CHECK1]] |
| |
| // PARTIAL: br i1 %[[CHECK012]], {{.*}} !prof ![[WEIGHT_MD:.*]], !nosanitize |
| |
| // PARTIAL: br i1 %[[CHECK02]], {{.*}} |
| // PARTIAL: call void @__ubsan_handle_type_mismatch_abort( |
| // PARTIAL-NEXT: unreachable |
| // PARTIAL: call void @__ubsan_handle_type_mismatch( |
| } |
