1 files changed, 25 insertions, 0 deletions
diff --git a/test/CodeGen/sanitize-trap.c b/test/CodeGen/sanitize-trap.c
new file mode 100644
index 0000000..76ac1f0
--- /dev/null
+++ b/test/CodeGen/sanitize-trap.c
@@ -0,0 +1,25 @@
+// 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_.]*]]
+
+  // 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;
+}