xref: /llvm-project/llvm/test/CodeGen/AArch64/tailcall-mem-intrinsics.ll (revision 5ddce70ef0e5a641d7fea95e31fc5e2439cb98cb)
1; RUN: llc -mtriple=aarch64-unknown-unknown < %s | FileCheck %s
2; RUN: llc -global-isel-abort=1 -verify-machineinstrs -mtriple=aarch64-unknown-unknown -global-isel < %s | FileCheck %s
3
4; CHECK-LABEL: tail_memcpy:
5; CHECK: b memcpy
6define void @tail_memcpy(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
7entry:
8  tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
9  ret void
10}
11
12; CHECK-LABEL: tail_memmove:
13; CHECK: b memmove
14define void @tail_memmove(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
15entry:
16  tail call void @llvm.memmove.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
17  ret void
18}
19
20; CHECK-LABEL: tail_memset:
21; CHECK: b memset
22define void @tail_memset(ptr nocapture %p, i8 %c, i32 %n) #0 {
23entry:
24  tail call void @llvm.memset.p0.i32(ptr %p, i8 %c, i32 %n, i1 false)
25  ret void
26}
27
28declare void @llvm.memcpy.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #0
29declare void @llvm.memmove.p0.p0.i32(ptr nocapture, ptr nocapture readonly, i32, i1) #0
30declare void @llvm.memset.p0.i32(ptr nocapture, i8, i32, i1) #0
31
32attributes #0 = { nounwind }
33