// RUN: %clang_cc1 %s -triple i386-unknown-linux-gnu -mregparm 3 -emit-llvm -o - | FileCheck %s void *memcpy(void *dest, const void *src, unsigned int n); void use_builtin_memcpy(void *dest, const void *src, unsigned int n) { __builtin_memcpy(dest, src, n); } void use_memcpy(void *dest, const void *src, unsigned int n) { memcpy(dest, src, n); } //CHECK: !{i32 1, !"NumRegisterParameters", i32 3}