| # 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 |
| |
| ... |
