clang/test/CodeGen/mempcpy-libcall.c

   1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm < %s| FileCheck %s
   2
   3 typedef __SIZE_TYPE__ size_t;
   4
   5 void *mempcpy(void *, void const *, size_t);
   6
   7 char *test(char *d, char *s, size_t n) {
   8   // CHECK:      call void @llvm.memcpy.p0.p0.i64(ptr {{.*}} %[[REG1:[^ ]+]], ptr {{.*}} %1, i64 %[[REG2:[^ ]+]], i1 false)
   9   // CHECK-NEXT: %[[REGr:[^ ]+]] = getelementptr inbounds i8, ptr %[[REG1]], i64 %[[REG2]]
  10   // CHECK-NEXT: ret ptr %[[REGr]]
  11   return mempcpy(d, s, n);
  12 }