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annotate clang/test/CodeGen/catch-implicit-signed-integer-truncations-basics-negatives.c @ 207:2e18cbf3894f

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LLVM12
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Tue, 08 Jun 2021 06:07:14 +0900
parents 1d019706d866
children c4bab56944e8
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1 // 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
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2
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3 // CHECK-DAG: @[[LINE_100_SIGNED_TRUNCATION:.*]] = {{.*}}, i32 100, i32 10 }, {{.*}}, {{.*}}, i8 2 }
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4 // CHECK-DAG: @[[LINE_200_SIGNED_TRUNCATION:.*]] = {{.*}}, i32 200, i32 10 }, {{.*}}, {{.*}}, i8 2 }
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5
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6 // CHECK-LABEL: @blacklist_0_convert_signed_int_to_signed_char
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7 __attribute__((no_sanitize("undefined"))) signed char blacklist_0_convert_signed_int_to_signed_char(signed int x) {
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8 // We are not in "undefined" group, so that doesn't work.
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9 // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_100_SIGNED_TRUNCATION]] to i8*)
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10 #line 100
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11 return x;
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12 }
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13
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14 // CHECK-LABEL: @blacklist_1_convert_signed_int_to_signed_char
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15 __attribute__((no_sanitize("integer"))) signed char blacklist_1_convert_signed_int_to_signed_char(signed int x) {
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16 return x;
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17 }
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18
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19 // CHECK-LABEL: @blacklist_2_convert_signed_int_to_signed_char
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20 __attribute__((no_sanitize("implicit-conversion"))) signed char blacklist_2_convert_signed_int_to_signed_char(signed int x) {
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21 return x;
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22 }
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23
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24 // CHECK-LABEL: @blacklist_3_convert_signed_int_to_signed_char
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25 __attribute__((no_sanitize("implicit-integer-truncation"))) signed char blacklist_3_convert_signed_int_to_signed_char(signed int x) {
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26 return x;
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27 }
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28
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29 // CHECK-LABEL: @blacklist_4_convert_signed_int_to_signed_char
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30 __attribute__((no_sanitize("implicit-signed-integer-truncation"))) signed char blacklist_4_convert_signed_int_to_signed_char(signed int x) {
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31 return x;
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32 }
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33
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34 // CHECK-LABEL: @blacklist_5_convert_signed_int_to_signed_char
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35 __attribute__((no_sanitize("implicit-unsigned-integer-truncation"))) signed char blacklist_5_convert_signed_int_to_signed_char(signed int x) {
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36 // This is an signed truncation, not unsigned-one.
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37 // CHECK: call void @__ubsan_handle_implicit_conversion(i8* bitcast ({ {{{.*}}}, {{{.*}}}*, {{{.*}}}*, i8 }* @[[LINE_200_SIGNED_TRUNCATION]] to i8*)
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38 #line 200
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39 return x;
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40 }