clang/test/CodeGen/memcpy-no-nobuiltin-if-not-emitted.cpp

   1 // RUN: %clang_cc1 -triple i686-linux-gnu -std=c++11 -emit-llvm -o - %s | FileCheck %s
   2 //
   3 // Regression test for the issue reported at
   4 // https://reviews.llvm.org/D78162#1986104
   5
   6 typedef unsigned long size_t;
   7
   8 extern "C" __inline__ __attribute__((__gnu_inline__)) void *memcpy(void *a, const void *b, unsigned c) {
   9   return __builtin_memcpy(a, b, c);
  10 }
  11 void *memcpy(void *, const void *, unsigned);
  12
  13 // CHECK-LABEL: define{{.*}} void @_Z1av
  14 void a() { (void)memcpy; }
  15
  16 // CHECK-NOT: nobuiltin