File: tailcall-mem-intrinsics.ll

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (55 lines) | stat: -rw-r--r-- 1,670 bytes parent folder | download | duplicates (13)
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
; RUN: llc -mtriple=x86_64-unknown-unknown < %s | FileCheck %s

; CHECK-LABEL: tail_memcpy
; CHECK: jmp memcpy
define void @tail_memcpy(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
entry:
  tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
  ret void
}

; CHECK-LABEL: tail_memmove
; CHECK: jmp memmove
define void @tail_memmove(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
entry:
  tail call void @llvm.memmove.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
  ret void
}

; CHECK-LABEL: tail_memset
; CHECK: jmp memset
define void @tail_memset(ptr nocapture %p, i8 %c, i32 %n) #0 {
entry:
  tail call void @llvm.memset.p0.i32(ptr %p, i8 %c, i32 %n, i1 false)
  ret void
}

; CHECK-LABEL: tail_memcpy_ret
; CHECK: jmp memcpy
define ptr @tail_memcpy_ret(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
entry:
  tail call void @llvm.memcpy.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
  ret ptr %p
}

; CHECK-LABEL: tail_memmove_ret
; CHECK: jmp memmove
define ptr @tail_memmove_ret(ptr nocapture %p, ptr nocapture readonly %q, i32 %n) #0 {
entry:
  tail call void @llvm.memmove.p0.p0.i32(ptr %p, ptr %q, i32 %n, i1 false)
  ret ptr %p
}

; CHECK-LABEL: tail_memset_ret
; CHECK: jmp memset
define ptr @tail_memset_ret(ptr nocapture %p, i8 %c, i32 %n) #0 {
entry:
  tail call void @llvm.memset.p0.i32(ptr %p, i8 %c, i32 %n, i1 false)
  ret ptr %p
}

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

attributes #0 = { nounwind }