File: fast-isel-memcpy.ll

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llvm-toolchain-19 1%3A19.1.7-3
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; 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)