1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-pc-linux-gnu -emit-llvm -o - %s -fsanitize=signed-integer-overflow,integer-divide-by-zero -fsanitize-trap=integer-divide-by-zero | FileCheck %s
2*67e74705SXin Li
f(int x,int y)3*67e74705SXin Li int f(int x, int y) {
4*67e74705SXin Li // CHECK: %[[B1:.*]] = icmp ne i32 %[[D:.*]], 0
5*67e74705SXin Li // CHECK: %[[B2:.*]] = icmp ne i32 %[[N:.*]], -2147483648
6*67e74705SXin Li // CHECK: %[[B3:.*]] = icmp ne i32 %[[D]], -1
7*67e74705SXin Li // CHECK: %[[B4:.*]] = or i1 %[[B2]], %[[B3]]
8*67e74705SXin Li // CHECK: br i1 %[[B1]], label %[[L1:[0-9a-z_.]*]], label %[[L2:[0-9a-z_.]*]]
9*67e74705SXin Li
10*67e74705SXin Li // {{^|:}} used to match both Debug form of the captured label
11*67e74705SXin Li // cont:
12*67e74705SXin Li // and Release form
13*67e74705SXin Li // ; <label>:14
14*67e74705SXin Li // But avoids false matches inside other numbers such as [114 x i8].
15*67e74705SXin Li // CHECK: {{^|:}}[[L2]]
16*67e74705SXin Li // CHECK-NEXT: call void @llvm.trap()
17*67e74705SXin Li // CHECK-NEXT: unreachable
18*67e74705SXin Li
19*67e74705SXin Li // CHECK: {{^|:}}[[L1]]
20*67e74705SXin Li // CHECK-NEXT: br i1 %[[B4]], label %[[L3:[0-9a-z_.]*]], label %[[L4:[0-9a-z_.]*]]
21*67e74705SXin Li
22*67e74705SXin Li // CHECK: {{^|:}}[[L4]]
23*67e74705SXin Li // CHECK-NEXT: zext
24*67e74705SXin Li // CHECK-NEXT: zext
25*67e74705SXin Li // CHECK-NEXT: __ubsan_handle_divrem_overflow
26*67e74705SXin Li
27*67e74705SXin Li // CHECK: {{^|:}}[[L3]]
28*67e74705SXin Li // CHECK-NEXT: sdiv i32 %[[N]], %[[D]]
29*67e74705SXin Li return x / y;
30*67e74705SXin Li }
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