clang/test/CodeGen/builtins-memcpy-inline.c

   1 // REQUIRES: x86-registered-target
   2 // RUN: %clang_cc1 -triple x86_64-unknown-linux -emit-llvm %s -o - | FileCheck %s
   3
   4 // CHECK-LABEL: define{{.*}} void @test_memcpy_inline_0(ptr noundef %dst, ptr noundef %src)
   5 void test_memcpy_inline_0(void *dst, const void *src) {
   6   // CHECK:   call void @llvm.memcpy.inline.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 0, i1 false)
   7   __builtin_memcpy_inline(dst, src, 0);
   8 }
   9
  10 // CHECK-LABEL: define{{.*}} void @test_memcpy_inline_1(ptr noundef %dst, ptr noundef %src)
  11 void test_memcpy_inline_1(void *dst, const void *src) {
  12   // CHECK:   call void @llvm.memcpy.inline.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 1, i1 false)
  13   __builtin_memcpy_inline(dst, src, 1);
  14 }
  15
  16 // CHECK-LABEL: define{{.*}} void @test_memcpy_inline_4(ptr noundef %dst, ptr noundef %src)
  17 void test_memcpy_inline_4(void *dst, const void *src) {
  18   // CHECK:   call void @llvm.memcpy.inline.p0.p0.i64(ptr align 1 %0, ptr align 1 %1, i64 4, i1 false)
  19   __builtin_memcpy_inline(dst, src, 4);
  20 }
  21
  22 // CHECK-LABEL: define{{.*}} void @test_memcpy_inline_aligned_buffers(ptr noundef %dst, ptr noundef %src)
  23 void test_memcpy_inline_aligned_buffers(unsigned long long *dst, const unsigned long long *src) {
  24   // CHECK:   call void @llvm.memcpy.inline.p0.p0.i64(ptr align 8 %0, ptr align 8 %1, i64 4, i1 false)
  25   __builtin_memcpy_inline(dst, src, 4);
  26 }