1 # RUN: not llc -march=x86-64 -start-after machine-sink -stop-after machine-sink -o /dev/null %s 2>&1 | FileCheck %s
2 # This test ensures that the MIR parser reports an error when parsing a
3 # reference to an undefined virtual register.
7 define i32 @test(i32 %a) {
16 tracksRegLiveness: true
18 - { id: 0, class: gr32 }
24 # CHECK: [[@LINE+1]]:22: use of undefined virtual register '%10'