File: no-expand-memcpy-no-builtins.ll

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (32 lines) | stat: -rw-r--r-- 1,291 bytes parent folder | download | duplicates (10)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
; RUN: llc -mtriple=thumbv7em-apple-unknown-macho < %s | FileCheck %s

target datalayout = "e-m:o-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"

declare void @llvm.memcpy.p0.p0.i32(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i32, i1 immarg) #0
declare void @llvm.memmove.p0.p0.i32(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i32, i1 immarg) #0
declare void @llvm.memset.p0.i32(ptr noalias nocapture writeonly, i8, i32, i1 immarg) #0

; Check we don't expand memcpy to a loop when the caller
; even if we have no-builtins attached.

; CHECK: bl _memcpy
define arm_aapcs_vfpcc void @test_memcpy(ptr %p1, ptr %p2) #1 {
  call void @llvm.memcpy.p0.p0.i32(ptr %p1, ptr %p2, i32 128, i1 false)
  ret void
}

; CHECK: bl _memmove
define arm_aapcs_vfpcc void @test_memmove(ptr %p1, ptr %p2) #1 {
  call void @llvm.memmove.p0.p0.i32(ptr %p1, ptr %p2, i32 128, i1 false)
  ret void
}

; CHECK: bl _memset
define arm_aapcs_vfpcc void @test_memset(ptr %p1) #1 {
  call void @llvm.memset.p0.i32(ptr %p1, i8 0, i32 128, i1 false)
  ret void
}

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "no-builtins" }