llvm-project/llvm/test/CodeGen/ARM/tailcall-mem-intrinsics.ll

32 lines
1.1 KiB
LLVM

; RUN: llc -mtriple=arm-none-eabi < %s | FileCheck %s
; CHECK-LABEL: tail_memcpy_ret
; CHECK: bl __aeabi_memcpy
define i8* @tail_memcpy_ret(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 {
entry:
tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false)
ret i8* %p
}
; CHECK-LABEL: tail_memmove_ret
; CHECK: bl __aeabi_memmove
define i8* @tail_memmove_ret(i8* nocapture %p, i8* nocapture readonly %q, i32 %n) #0 {
entry:
tail call void @llvm.memmove.p0i8.p0i8.i32(i8* %p, i8* %q, i32 %n, i32 1, i1 false)
ret i8* %p
}
; CHECK-LABEL: tail_memset_ret
; CHECK: bl __aeabi_memset
define i8* @tail_memset_ret(i8* nocapture %p, i8 %c, i32 %n) #0 {
entry:
tail call void @llvm.memset.p0i8.i32(i8* %p, i8 %c, i32 %n, i32 1, i1 false)
ret i8* %p
}
declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0
declare void @llvm.memmove.p0i8.p0i8.i32(i8* nocapture, i8* nocapture readonly, i32, i32, i1) #0
declare void @llvm.memset.p0i8.i32(i8* nocapture, i8, i32, i32, i1) #0
attributes #0 = { nounwind }