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view clang/test/CodeGen/catch-implicit-signed-integer-truncations-basics-negatives.c @ 266:00f31e85ec16 default tip
Added tag current for changeset 31d058e83c98
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Sat, 14 Oct 2023 10:13:55 +0900 |
parents | c4bab56944e8 |
children |
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// RUN: %clang_cc1 -fsanitize=implicit-signed-integer-truncation -fsanitize-recover=implicit-signed-integer-truncation -emit-llvm %s -o - -triple x86_64-linux-gnu | FileCheck %s -implicit-check-not="call void @__ubsan_handle_implicit_conversion" --check-prefixes=CHECK // CHECK-DAG: @[[LINE_100_SIGNED_TRUNCATION:.*]] = {{.*}}, i32 100, i32 10 }, {{.*}}, {{.*}}, i8 2 } // CHECK-DAG: @[[LINE_200_SIGNED_TRUNCATION:.*]] = {{.*}}, i32 200, i32 10 }, {{.*}}, {{.*}}, i8 2 } // CHECK-LABEL: @ignorelist_0_convert_signed_int_to_signed_char __attribute__((no_sanitize("undefined"))) signed char ignorelist_0_convert_signed_int_to_signed_char(signed int x) { // We are not in "undefined" group, so that doesn't work. // CHECK: call void @__ubsan_handle_implicit_conversion(ptr @[[LINE_100_SIGNED_TRUNCATION]] #line 100 return x; } // CHECK-LABEL: @ignorelist_1_convert_signed_int_to_signed_char __attribute__((no_sanitize("integer"))) signed char ignorelist_1_convert_signed_int_to_signed_char(signed int x) { return x; } // CHECK-LABEL: @ignorelist_2_convert_signed_int_to_signed_char __attribute__((no_sanitize("implicit-conversion"))) signed char ignorelist_2_convert_signed_int_to_signed_char(signed int x) { return x; } // CHECK-LABEL: @ignorelist_3_convert_signed_int_to_signed_char __attribute__((no_sanitize("implicit-integer-truncation"))) signed char ignorelist_3_convert_signed_int_to_signed_char(signed int x) { return x; } // CHECK-LABEL: @ignorelist_4_convert_signed_int_to_signed_char __attribute__((no_sanitize("implicit-signed-integer-truncation"))) signed char ignorelist_4_convert_signed_int_to_signed_char(signed int x) { return x; } // CHECK-LABEL: @ignorelist_5_convert_signed_int_to_signed_char __attribute__((no_sanitize("implicit-unsigned-integer-truncation"))) signed char ignorelist_5_convert_signed_int_to_signed_char(signed int x) { // This is an signed truncation, not unsigned-one. // CHECK: call void @__ubsan_handle_implicit_conversion(ptr @[[LINE_200_SIGNED_TRUNCATION]] #line 200 return x; }