1 # RUN: llc -o - %s -mtriple=x86_64-- -verify-machineinstrs -run-pass branch-folder | FileCheck %s
2 # Check that we do not generate invalid MIR when optimizing condjumps with undef
3 # flags on the eflags input (currently we should just bail out).
5 # CHECK-LABEL: name: fallundef
7 tracksRegLiveness: true
10 JCC_1 %bb.1, 4, implicit undef $eflags
11 ; CHECK: JCC_1 %bb.1, 4, implicit undef $eflags