llvm-project/clang/test/CodeGen/memcpy-no-nobuiltin-if-not-emitted.cpp
Fangrui Song c5de4dd1ea [test] %clang_cc1 -emit-llvm: remove redundant -S
And replace -emit-llvm -o - with -emit-llvm-only
2024-05-04 17:00:29 -07:00

17 lines
493 B
C++

// RUN: %clang_cc1 -triple i686-linux-gnu -std=c++11 -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