llvm-project/clang/test/CodeGen/memcpy-no-nobuiltin-if-not-...

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496 B
C++

// RUN: %clang_cc1 -triple i686-linux-gnu -std=c++11 -S -emit-llvm -o - %s | FileCheck %s
//
// Regression test for the issue reported at
// https://reviews.llvm.org/D78162#1986104
typedef unsigned long size_t;
extern "C" __inline__ __attribute__((__gnu_inline__)) void *memcpy(void *a, const void *b, unsigned c) {
return __builtin_memcpy(a, b, c);
}
void *memcpy(void *, const void *, unsigned);
// CHECK-LABEL: define{{.*}} void @_Z1av
void a() { (void)memcpy; }
// CHECK-NOT: nobuiltin