| // Verify proper type emitted for compound assignments |
| // 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 %s |
| |
| #include <stdint.h> |
| |
| // CHECK: @[[INT:.*]] = private unnamed_addr constant { i16, i16, [22 x i8] } { i16 0, i16 11, [22 x i8] c"'int32_t' (aka 'int')\00" } |
| // CHECK: @[[LINE_100:.*]] = private unnamed_addr global {{.*}}, i32 100, i32 5 {{.*}} @[[INT]] |
| // 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" } |
| // CHECK: @[[LINE_200:.*]] = private unnamed_addr global {{.*}}, i32 200, i32 5 {{.*}} @[[UINT]] |
| // CHECK: @[[LINE_300:.*]] = private unnamed_addr global {{.*}}, i32 300, i32 5 {{.*}} @[[INT]] |
| |
| int32_t x; |
| |
| // CHECK: @compaddsigned |
| void compaddsigned(void) { |
| #line 100 |
| x += ((int32_t)1); |
| // CHECK: @__ubsan_handle_add_overflow(ptr @[[LINE_100]], {{.*}}) |
| } |
| |
| // CHECK: @compaddunsigned |
| void compaddunsigned(void) { |
| #line 200 |
| x += ((uint32_t)1U); |
| // CHECK: @__ubsan_handle_add_overflow(ptr @[[LINE_200]], {{.*}}) |
| } |
| |
| // CHECK: @compdiv |
| void compdiv(void) { |
| #line 300 |
| x /= x; |
| // CHECK: @__ubsan_handle_divrem_overflow(ptr @[[LINE_300]], {{.*}}) |
| } |
