# RUN: not --crash llc -o - %s -mtriple=s390x-linux-gnu -mcpu=z14 -run-pass none 2>&1 | FileCheck %s # REQUIRES: systemz-registered-target # Test that a the machine verifier reports an error when a register in # liveins is not liveout from predecessor. --- name: f1 tracksRegLiveness: true machineFunctionInfo: {} body: | bb.0: liveins: $r2l, $r3l %1:gr32bit = COPY $r3l %0:gr32bit = COPY $r2l CHIMux %0, 0, implicit-def $cc bb.1: liveins: $cc BRC 14, 8, %bb.3, implicit $cc bb.2: bb.3: liveins: $cc %2:grx32bit = LOCRMux %1, %0, 14, 8, implicit $cc $r2l = COPY %2 Return implicit $r2l ... # CHECK: *** Bad machine code: Live in register not found to be live out from predecessor. *** # CHECK:- function: f1 # CHECK:- basic block: %bb.3 # CHECK:CC not found to be live out from %bb.2