1 ; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s
3 ; CHECK-LABEL: tail_memcpy
5 define void @tail_memcpy(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
7 tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
11 ; CHECK-LABEL: tail_memmove
13 define void @tail_memmove(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
15 tail call void @llvm.memmove.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
19 ; CHECK-LABEL: tail_memset
21 define void @tail_memset(ptr nocapture %p, i8 %c, i32 %n) #0 {
23 tail call void @llvm.memset.p0.i32(ptr %p, i8 %c, i32 %n, i1 false)
27 ; CHECK-LABEL: tail_memcpy_ret
29 define ptr @tail_memcpy_ret(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
31 tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
35 ; CHECK-LABEL: tail_memmove_ret
37 define ptr @tail_memmove_ret(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
39 tail call void @llvm.memmove.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
43 ; CHECK-LABEL: tail_memset_ret
45 define ptr @tail_memset_ret(ptr nocapture %p, i8 %c, i32 %n) #0 {
47 tail call void @llvm.memset.p0.i32(ptr %p, i8 %c, i32 %n, i1 false)
51 declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #0
52 declare void @llvm.memmove.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #0
53 declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1) #0
55 attributes #0 = { nounwind }