40 lines
1.6 KiB
C
40 lines
1.6 KiB
C
// 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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// 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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// 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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// RECOVER: @test
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// ABORT: @test
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void test() {
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extern volatile unsigned x, y, z;
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// RECOVER: uadd.with.overflow.i32
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// RECOVER: ubsan_handle_add_overflow(
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// RECOVER-NOT: unreachable
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// ABORT: uadd.with.overflow.i32
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// ABORT: ubsan_handle_add_overflow_abort(
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// ABORT: unreachable
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x = y + z;
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}
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void foo() {
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union { int i; } u;
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u.i=1;
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// PARTIAL: %[[CHECK0:.*]] = icmp ne {{.*}}* %[[PTR:.*]], null
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// PARTIAL: %[[SIZE:.*]] = call i64 @llvm.objectsize.i64.p0i8(i8* {{.*}}, i1 false)
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// PARTIAL-NEXT: %[[CHECK1:.*]] = icmp uge i64 %[[SIZE]], 4
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// PARTIAL: %[[MISALIGN:.*]] = and i64 {{.*}}, 3
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// PARTIAL-NEXT: %[[CHECK2:.*]] = icmp eq i64 %[[MISALIGN]], 0
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// PARTIAL: %[[CHECK02:.*]] = and i1 %[[CHECK0]], %[[CHECK2]]
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// PARTIAL-NEXT: %[[CHECK012:.*]] = and i1 %[[CHECK02]], %[[CHECK1]]
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// PARTIAL: br i1 %[[CHECK012]], {{.*}} !prof ![[WEIGHT_MD:.*]], !nosanitize
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// PARTIAL: br i1 %[[CHECK02]], {{.*}}
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// PARTIAL: call void @__ubsan_handle_type_mismatch_abort(
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// PARTIAL-NEXT: unreachable
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// PARTIAL: call void @__ubsan_handle_type_mismatch(
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}
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