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annotate clang/test/CodeGen/memcpy-nobuiltin.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
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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150
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1 // RUN: %clang_cc1 -verify -S -emit-llvm -o- %s -isystem %S -DWITH_DECL | FileCheck --check-prefix=CHECK-WITH-DECL %s
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2 // RUN: %clang_cc1 -verify -S -emit-llvm -o- %s -isystem %S -UWITH_DECL | FileCheck --check-prefix=CHECK-NO-DECL %s
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3 // RUN: %clang_cc1 -verify -S -emit-llvm -o- %s -isystem %S -DWITH_SELF_REFERENCE_DECL | FileCheck --check-prefix=CHECK-SELF-REF-DECL %s
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4 //
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5 // CHECK-WITH-DECL-NOT: @llvm.memcpy
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6 // CHECK-NO-DECL: @llvm.memcpy
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7 // CHECK-SELF-REF-DECL: @llvm.memcpy
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8 //
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9 #include <memcpy-nobuiltin.inc>
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10 void test(void *dest, void const *from, size_t n) {
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11 memcpy(dest, from, n);
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12
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13 static char buffer[1];
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14 memcpy(buffer, from, 2); // expected-warning {{'memcpy' will always overflow; destination buffer has size 1, but size argument is 2}}
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15 }