1 files changed, 131 insertions, 0 deletions
diff --git a/test/CodeGen/ubsan-promoted-arith.cpp b/test/CodeGen/ubsan-promoted-arith.cpp
new file mode 100644
index 000000000000..5a2898b5423b
--- /dev/null
+++ b/test/CodeGen/ubsan-promoted-arith.cpp
@@ -0,0 +1,131 @@
+// RUN: %clang_cc1 -std=c++11 -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=signed-integer-overflow,unsigned-integer-overflow | FileCheck %s
+
+typedef unsigned char uchar;
+typedef unsigned short ushort;
+typedef int int4 __attribute__((ext_vector_type(4)));
+
+enum E1 : int {
+  a
+};
+
+enum E2 : char {
+  b
+};
+
+// CHECK-LABEL: define signext i8 @_Z4add1
+// CHECK-NOT: sadd.with.overflow
+char add1(char c) { return c + c; }
+
+// CHECK-LABEL: define zeroext i8 @_Z4add2
+// CHECK-NOT: uadd.with.overflow
+uchar add2(uchar uc) { return uc + uc; }
+
+// CHECK-LABEL: define i32 @_Z4add3
+// CHECK: sadd.with.overflow
+int add3(E1 e) { return e + a; }
+
+// CHECK-LABEL: define signext i8 @_Z4add4
+// CHECK-NOT: sadd.with.overflow
+char add4(E2 e) { return e + b; }
+
+// CHECK-LABEL: define signext i8 @_Z4sub1
+// CHECK-NOT: ssub.with.overflow
+char sub1(char c) { return c - c; }
+
+// CHECK-LABEL: define zeroext i8 @_Z4sub2
+// CHECK-NOT: usub.with.overflow
+uchar sub2(uchar uc) { return uc - uc; }
+
+// CHECK-LABEL: define signext i8 @_Z4sub3
+// CHECK-NOT: ssub.with.overflow
+char sub3(char c) { return -c; }
+
+// Note: -INT_MIN can overflow.
+//
+// CHECK-LABEL: define i32 @_Z4sub4
+// CHECK: ssub.with.overflow
+int sub4(int i) { return -i; }
+
+// CHECK-LABEL: define signext i8 @_Z4mul1
+// CHECK-NOT: smul.with.overflow
+char mul1(char c) { return c * c; }
+
+// CHECK-LABEL: define zeroext i8 @_Z4mul2
+// CHECK-NOT: smul.with.overflow
+uchar mul2(uchar uc) { return uc * uc; }
+
+// Note: USHRT_MAX * USHRT_MAX can overflow.
+//
+// CHECK-LABEL: define zeroext i16 @_Z4mul3
+// CHECK: smul.with.overflow
+ushort mul3(ushort us) { return us * us; }
+
+// CHECK-LABEL: define i32 @_Z4mul4
+// CHECK: smul.with.overflow
+int mul4(int i, char c) { return i * c; }
+
+// CHECK-LABEL: define i32 @_Z4mul5
+// CHECK: smul.with.overflow
+int mul5(int i, char c) { return c * i; }
+
+// CHECK-LABEL: define signext i16 @_Z4mul6
+// CHECK-NOT: smul.with.overflow
+short mul6(short s) { return s * s; }
+
+// CHECK-LABEL: define signext i8 @_Z4div1
+// CHECK-NOT: ubsan_handle_divrem_overflow
+char div1(char c) { return c / c; }
+
+// CHECK-LABEL: define zeroext i8 @_Z4div2
+// CHECK-NOT: ubsan_handle_divrem_overflow
+uchar div2(uchar uc) { return uc / uc; }
+
+// CHECK-LABEL: define signext i8 @_Z4div3
+// CHECK-NOT: ubsan_handle_divrem_overflow
+char div3(char c, int i) { return c / i; }
+
+// CHECK-LABEL: define signext i8 @_Z4div4
+// CHECK: ubsan_handle_divrem_overflow
+char div4(int i, char c) { return i / c; }
+
+// Note: INT_MIN / -1 can overflow.
+//
+// CHECK-LABEL: define signext i8 @_Z4div5
+// CHECK: ubsan_handle_divrem_overflow
+char div5(int i, char c) { return i / c; }
+
+// CHECK-LABEL: define signext i8 @_Z4rem1
+// CHECK-NOT: ubsan_handle_divrem_overflow
+char rem1(char c) { return c % c; }
+
+// CHECK-LABEL: define zeroext i8 @_Z4rem2
+// CHECK-NOT: ubsan_handle_divrem_overflow
+uchar rem2(uchar uc) { return uc % uc; }
+
+// CHECK-LABEL: define signext i8 @_Z4rem3
+// CHECK: ubsan_handle_divrem_overflow
+char rem3(int i, char c) { return i % c; }
+
+// CHECK-LABEL: define signext i8 @_Z4rem4
+// CHECK-NOT: ubsan_handle_divrem_overflow
+char rem4(char c, int i) { return c % i; }
+
+// CHECK-LABEL: define signext i8 @_Z4inc1
+// CHECK-NOT: sadd.with.overflow
+char inc1(char c) { return c++ + (char)0; }
+
+// CHECK-LABEL: define zeroext i8 @_Z4inc2
+// CHECK-NOT: uadd.with.overflow
+uchar inc2(uchar uc) { return uc++ + (uchar)0; }
+
+// CHECK-LABEL: define void @_Z4inc3
+// CHECK-NOT: sadd.with.overflow
+void inc3(char c) { c++; }
+
+// CHECK-LABEL: define void @_Z4inc4
+// CHECK-NOT: uadd.with.overflow
+void inc4(uchar uc) { uc++; }
+
+// CHECK-LABEL: define <4 x i32> @_Z4vremDv4_iS_
+// CHECK-NOT: ubsan_handle_divrem_overflow
+int4 vrem(int4 a, int4 b) { return a % b; }