d437fba8ef
This reverts commit 3d210ed3d1880c615776b07d1916edb400c245a6. See https://reviews.llvm.org/D71082 for the patch and discussion that make it possible to reapply this patch.
16 lines
755 B
C
16 lines
755 B
C
// RUN: %clang_cc1 -verify -S -emit-llvm -o- %s -isystem %S -DWITH_DECL | FileCheck --check-prefix=CHECK-WITH-DECL %s
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// RUN: %clang_cc1 -verify -S -emit-llvm -o- %s -isystem %S -UWITH_DECL | FileCheck --check-prefix=CHECK-NO-DECL %s
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// 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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//
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// CHECK-WITH-DECL-NOT: @llvm.memcpy
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// CHECK-NO-DECL: @llvm.memcpy
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// CHECK-SELF-REF-DECL: @llvm.memcpy
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//
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#include <memcpy-nobuiltin.inc>
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void test(void *dest, void const *from, size_t n) {
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memcpy(dest, from, n);
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static char buffer[1];
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memcpy(buffer, from, 2); // expected-warning {{'memcpy' will always overflow; destination buffer has size 1, but size argument is 2}}
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}
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