1 // Verify proper type emitted for compound assignments 2 // RUN: %clang_cc1 -ffreestanding -triple x86_64-apple-darwin10 -emit-llvm -o - %s -fsanitize=signed-integer-overflow,unsigned-integer-overflow | FileCheck %s 3 4 #include <stdint.h> 5 6 // CHECK: @[[INT:.*]] = private unnamed_addr constant { i16, i16, [6 x i8] } { i16 0, i16 11, [6 x i8] c"'int'\00" } 7 // CHECK: @[[LINE_100:.*]] = private unnamed_addr global {{.*}}, i32 100, i32 5 {{.*}} @[[INT]] 8 // CHECK: @[[UINT:.*]] = private unnamed_addr constant { i16, i16, [15 x i8] } { i16 0, i16 10, [15 x i8] c"'unsigned int'\00" } 9 // CHECK: @[[LINE_200:.*]] = private unnamed_addr global {{.*}}, i32 200, i32 5 {{.*}} @[[UINT]] 10 // CHECK: @[[DIVINT:.*]] = private unnamed_addr constant { i16, i16, [6 x i8] } { i16 0, i16 11, [6 x i8] c"'int'\00" } 11 // CHECK: @[[LINE_300:.*]] = private unnamed_addr global {{.*}}, i32 300, i32 5 {{.*}} @[[DIVINT]] 12 13 int32_t x; 14 15 // CHECK: @compaddsigned 16 void compaddsigned() { 17 #line 100 18 x += ((int32_t)1); 19 // CHECK: @__ubsan_handle_add_overflow(i8* bitcast ({{.*}} @[[LINE_100]] to i8*), {{.*}}) 20 } 21 22 // CHECK: @compaddunsigned 23 void compaddunsigned() { 24 #line 200 25 x += ((uint32_t)1U); 26 // CHECK: @__ubsan_handle_add_overflow(i8* bitcast ({{.*}} @[[LINE_200]] to i8*), {{.*}}) 27 } 28 29 int8_t a, b; 30 31 // CHECK: @compdiv 32 void compdiv() { 33 #line 300 34 a /= b; 35 // CHECK: @__ubsan_handle_divrem_overflow(i8* bitcast ({{.*}} @[[LINE_300]] to i8*), {{.*}}) 36 } 37
