llvm-project/llvm/test/CodeGen/AArch64/fast-isel-memcpy.ll

16 lines
580 B
LLVM

; RUN: llc -mtriple=aarch64-apple-darwin -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s
; Test that we don't segfault.
; CHECK-LABEL: test
; CHECK: ldr [[REG1:x[0-9]+]], [x1]
; CHECK-NEXT: and [[REG2:x[0-9]+]], x0, #0x7fffffffffffffff
; CHECK-NEXT: str [[REG1]], {{\[}}[[REG2]]{{\]}}
define void @test(i64 %a, i8* %b) {
%1 = and i64 %a, 9223372036854775807
%2 = inttoptr i64 %1 to i8*
call void @llvm.memcpy.p0i8.p0i8.i64(i8* %2, i8* %b, i64 8, i32 8, i1 false)
ret void
}
declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)