| // RUN: llvm-tblgen -gen-global-isel -optimize-match-table=false -I %p/../../../include -I %p/../Common %s -o /dev/null --warn-on-skipped-patterns 2>&1 | FileCheck %s | |
| include "llvm/Target/Target.td" | |
| include "GlobalISelEmitterCommon.td" | |
| // CHECK: warning: Skipped pattern: Dst pattern root isn't a known leaf | |
| def : Pat<(zext (i16 (trunc i32:$src))), | |
| (i32 $src)>; |