# RUN: llc -mtriple thumbv5e -run-pass=machine-cse -o - %s | FileCheck %s # This is a contrived example made to expose a bug in # MachineCSE, see PR32538. # MachineCSE must not remove this def of %cpsr: # CHECK-LABEL: bb.1: # CHECK: , %cpsr = tLSLri ... --- name: spam registers: - { id: 0, class: tgpr } - { id: 1, class: tgpr } - { id: 2, class: tgpr } - { id: 3, class: tgpr } liveins: - { reg: '%r0', virtual-reg: '%0' } body: | bb.0: liveins: %r0 %0 = COPY %r0 %1, %cpsr = tLSLri %0, 2, 14, _ tCMPi8 %0, 5, 14, _, implicit-def %cpsr tBcc %bb.8, 8, %cpsr bb.1: %2, %cpsr = tLSLri %0, 2, 14, _ bb.8: liveins: %cpsr %3 = COPY %cpsr tSTRi killed %3, %0, 0, 14, _ ...