File: fast-isel-memcpy.ll

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.6-2
  • links: PTS, VCS
  • area: main
  • in suites: forky
  • size: 2,245,044 kB
  • sloc: cpp: 7,619,726; ansic: 1,434,018; asm: 1,058,748; python: 252,740; f90: 94,671; objc: 70,685; lisp: 42,813; pascal: 18,401; sh: 8,601; ml: 5,111; perl: 4,720; makefile: 3,666; awk: 3,523; javascript: 2,409; xml: 892; fortran: 770
file content (18 lines) | stat: -rw-r--r-- 656 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s

; Test that we don't segfault.
define void @test(i64 %a, ptr %b) {
; CHECK-LABEL: test:
; CHECK:       ; %bb.0:
; CHECK-NEXT:    ldr x8, [x1]
; CHECK-NEXT:    and x9, x0, #0x7fffffffffffffff
; CHECK-NEXT:    str x8, [x9]
; CHECK-NEXT:    ret
  %1 = and i64 %a, 9223372036854775807
  %2 = inttoptr i64 %1 to ptr
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %2, ptr align 8 %b, i64 8, i1 false)
  ret void
}

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