| 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 |
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| 2 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsanitize=unsigned-integer-overflow %s -emit-llvm -o - | FileCheck %s --check-prefix=ABORT |
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| 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 |
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| 4 | |
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| 5 | // RECOVER: @test |
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| 6 | // ABORT: @test |
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| 7 | void test() { |
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| 8 | extern volatile unsigned x, y, z; |
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| 9 | |
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| 10 | // RECOVER: uadd.with.overflow.i32{{.*}}, !nosanitize |
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| 11 | // RECOVER: ubsan_handle_add_overflow({{.*}}, !nosanitize |
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| 12 | // RECOVER-NOT: unreachable |
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| 13 | // ABORT: uadd.with.overflow.i32{{.*}}, !nosanitize |
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| 14 | // ABORT: ubsan_handle_add_overflow_abort({{.*}}, !nosanitize |
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| 15 | // ABORT: unreachable{{.*}}, !nosanitize |
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| 16 | x = y + z; |
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| 17 | } |
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| 18 | |
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| 19 | void foo() { |
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| 20 | union { int i; } u; |
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| 21 | u.i=1; |
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| 22 | // PARTIAL: %[[SIZE:.*]] = call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false, i1 false) |
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| 23 | // PARTIAL-NEXT: %[[CHECK0:.*]] = icmp uge i64 %[[SIZE]], 4 |
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| 24 | |
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| 25 | // PARTIAL: br i1 %[[CHECK0]], {{.*}} !nosanitize |
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| 26 | |
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| 27 | // PARTIAL: call void @__ubsan_handle_type_mismatch_v1( |
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| 28 | } |
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| 29 | |
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