1 ; RUN: llc -mtriple=x86_64-linux-gnu %s -o - -verify-machineinstrs | FileCheck %s
3 define i32 @tail_merge_unreachable(i32 %i) {
5 br i1 undef, label %sw, label %end
7 switch i32 %i, label %end [
13 i32 100, label %sw.bb2
20 %p = phi i32 [ 1, %sw ], [ 0, %entry ]
23 ; CHECK-LABEL: tail_merge_unreachable:
27 ; CHECK: jbe [[JUMP_TABLE_BLOCK:[.][A-Za-z0-9_]+]]
29 ; CHECK: [[JUMP_TABLE_BLOCK]]:
31 ; CHECK: jae [[UNREACHABLE_BLOCK:[.][A-Za-z0-9_]+]]
32 ; CHECK: [[UNREACHABLE_BLOCK]]: