1# RUN: not llc -march=x86-64 -start-after machine-sink -stop-after machine-sink -o /dev/null %s 2>&1 | FileCheck %s 2 3--- | 4 5 define i32 @test(i32 %a) { 6 body: 7 ret i32 %a 8 } 9 10... 11--- 12name: test 13isSSA: true 14tracksRegLiveness: true 15registers: 16 - { id: 0, class: gr32 } 17# CHECK: [[@LINE+1]]:11: redefinition of virtual register '%0' 18 - { id: 0, class: gr32 } 19body: | 20 bb.0.body: 21 liveins: %edi 22 23 %0 = COPY %edi 24 %eax = COPY %0 25 RETQ %eax 26... 27 28