; RUN: not llc -mtriple=aarch64-unknown-unknown %s -o - 2>&1 | FileCheck %s ; Incompatible calling convention causes following error message. ; CHECK: cannot guarantee tail call due to mismatched calling conv declare preserve_nonecc void @callee(ptr) define void @caller(ptr %a) { musttail call preserve_nonecc void @callee(ptr %a) ret void }