1 ; RUN: not llc -o /dev/null %s -mtriple=x86_64-unknown-unknown 2>&1 | FileCheck %s
2 ; RUN: not llc -o /dev/null %s -mtriple=i386-unknown-unknown -mattr=avx512vl 2>&1 | FileCheck %s
4 ; CHECK: error: couldn't allocate output register for constraint '{xmm16}'
6 %v = tail call i64 asm "", "={xmm16},0"(i64 0)