# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py # RUN: llc -mtriple aarch64 -run-pass=aarch64-prelegalizer-combiner -global-isel -verify-machineinstrs %s -o - | FileCheck %s # Check that we don't DCE the lifetime markers even though they don't have any users. --- name: test_lifetime_no_dce alignment: 4 tracksRegLiveness: true frameInfo: maxAlignment: 4 stack: - { id: 0, size: 4, alignment: 4 } machineFunctionInfo: {} body: | bb.1: ;%0:_(p0) = G_FRAME_INDEX %stack.0.slot ; CHECK-LABEL: name: test_lifetime_no_dce ; CHECK: LIFETIME_START %stack.0 ; CHECK: LIFETIME_END %stack.0 ; CHECK: RET_ReallyLR LIFETIME_START %stack.0 LIFETIME_END %stack.0 RET_ReallyLR ...