34 lines · c
1// Verify proper type emitted for compound assignments2// RUN: %clang_cc1 -ffreestanding -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=signed-integer-overflow,unsigned-integer-overflow -fsanitize-recover=signed-integer-overflow,unsigned-integer-overflow | FileCheck %s3 4#include <stdint.h>5 6// CHECK: @[[INT:.*]] = private unnamed_addr constant { i16, i16, [22 x i8] } { i16 0, i16 11, [22 x i8] c"'int32_t' (aka 'int')\00" }7// CHECK: @[[LINE_100:.*]] = private unnamed_addr global {{.*}}, i32 100, i32 5 {{.*}} @[[INT]]8// CHECK: @[[UINT:.*]] = private unnamed_addr constant { i16, i16, [32 x i8] } { i16 0, i16 10, [32 x i8] c"'uint32_t' (aka 'unsigned int')\00" }9// CHECK: @[[LINE_200:.*]] = private unnamed_addr global {{.*}}, i32 200, i32 5 {{.*}} @[[UINT]]10// CHECK: @[[LINE_300:.*]] = private unnamed_addr global {{.*}}, i32 300, i32 5 {{.*}} @[[INT]]11 12int32_t x;13 14// CHECK: @compaddsigned15void compaddsigned(void) {16#line 10017 x += ((int32_t)1);18 // CHECK: @__ubsan_handle_add_overflow(ptr @[[LINE_100]], {{.*}})19}20 21// CHECK: @compaddunsigned22void compaddunsigned(void) {23#line 20024 x += ((uint32_t)1U);25 // CHECK: @__ubsan_handle_add_overflow(ptr @[[LINE_200]], {{.*}})26}27 28// CHECK: @compdiv29void compdiv(void) {30#line 30031 x /= x;32 // CHECK: @__ubsan_handle_divrem_overflow(ptr @[[LINE_300]], {{.*}})33}34