File: tailcall-bitcast-memcpy.ll

package info (click to toggle)
llvm-toolchain-18 1%3A18.1.8-18
  • links: PTS, VCS
  • area: main
  • in suites: forky, trixie
  • size: 1,908,340 kB
  • sloc: cpp: 6,667,937; ansic: 1,440,452; asm: 883,619; python: 230,549; objc: 76,880; f90: 74,238; lisp: 35,989; pascal: 16,571; sh: 10,229; perl: 7,459; ml: 5,047; awk: 3,523; makefile: 2,987; javascript: 2,149; xml: 892; fortran: 649; cs: 573
file content (16 lines) | stat: -rw-r--r-- 501 bytes parent folder | download | duplicates (16)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
;RUN: llc %s -o - -verify-machineinstrs | FileCheck %s
target triple = "aarch64"

;CHECK-LABEL: @wmemcpy
;CHECK: lsl
;CHECK-NOT: bl
;CHECK-NOT: mov
;CHECK-NOT: ldp
;CHECK-NEXT: b memcpy
define dso_local ptr @wmemcpy(ptr returned, ptr nocapture readonly, i64) local_unnamed_addr {
  %4 = shl i64 %2, 2
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 4 %0, ptr align 4 %1, i64 %4, i1 false)
  ret ptr %0
}

declare void @llvm.memcpy.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1)