xref: /llvm-project/llvm/test/CodeGen/AArch64/fast-isel-memcpy.ll (revision db158c7c830807caeeb0691739c41f1d522029e9)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s
3
4; Test that we don't segfault.
5define void @test(i64 %a, ptr %b) {
6; CHECK-LABEL: test:
7; CHECK:       ; %bb.0:
8; CHECK-NEXT:    ldr x8, [x1]
9; CHECK-NEXT:    and x9, x0, #0x7fffffffffffffff
10; CHECK-NEXT:    str x8, [x9]
11; CHECK-NEXT:    ret
12  %1 = and i64 %a, 9223372036854775807
13  %2 = inttoptr i64 %1 to ptr
14  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %2, ptr align 8 %b, i64 8, i1 false)
15  ret void
16}
17
18declare void @llvm.memcpy.p0.p0.i64(ptr, ptr, i64, i1)
19