| // 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 |
| |
| int f(int x, int y) { |
| // CHECK: %[[B1:.*]] = icmp ne i32 %[[D:.*]], 0 |
| // CHECK: %[[B2:.*]] = icmp ne i32 %[[N:.*]], -2147483648 |
| // CHECK: %[[B3:.*]] = icmp ne i32 %[[D]], -1 |
| // CHECK: %[[B4:.*]] = or i1 %[[B2]], %[[B3]] |
| // CHECK: br i1 %[[B1]], label %[[L1:[0-9a-z_.]*]], label %[[L2:[0-9a-z_.]*]] |
| |
| // {{^|:}} used to match both Debug form of the captured label |
| // cont: |
| // and Release form |
| // ; <label>:14 |
| // But avoids false matches inside other numbers such as [114 x i8]. |
| // CHECK: {{^|:}}[[L2]] |
| // CHECK-NEXT: call void @llvm.trap() |
| // CHECK-NEXT: unreachable |
| |
| // CHECK: {{^|:}}[[L1]] |
| // CHECK-NEXT: br i1 %[[B4]], label %[[L3:[0-9a-z_.]*]], label %[[L4:[0-9a-z_.]*]] |
| |
| // CHECK: {{^|:}}[[L4]] |
| // CHECK-NEXT: zext |
| // CHECK-NEXT: zext |
| // CHECK-NEXT: __ubsan_handle_divrem_overflow |
| |
| // CHECK: {{^|:}}[[L3]] |
| // CHECK-NEXT: sdiv i32 %[[N]], %[[D]] |
| return x / y; |
| } |
