llvm/test/CodeGen/Hexagon/packetize-frame-setup-destroy.mir

# RUN: llc -march=hexagon -run-pass hexagon-packetizer %s -o - | FileCheck %s

##############################################################################
# This test case is not really hexagon specific, but we use hexagon to get
# bundling.
#
# The goal is to verify that the BUNDLE instruction is getting the
# frame-setup/frame-destroy attribute if any of the bundled instructions got
# the attribute.
##############################################################################

---
name: setup
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $r1, $r2
    successors: %bb.1
    $r3 = frame-setup L2_loadri_io $r1, 0
    J4_cmpgtu_f_jumpnv_t killed $r3, killed $r2, %bb.1, implicit-def $pc

  bb.1:
...

# CHECK-LABEL: name: setup
# CHECK: frame-setup BUNDLE

##############################################################################

---
name: destroy
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $r1, $r2
    successors: %bb.1
    $r3 = frame-destroy L2_loadri_io $r1, 0
    J4_cmpgtu_f_jumpnv_t killed $r3, killed $r2, %bb.1, implicit-def $pc

  bb.1:
...

# CHECK-LABEL: name: destroy
# CHECK: frame-destroy BUNDLE

##############################################################################

---
name: mixed
tracksRegLiveness: true
body: |
  bb.0:
    liveins: $r1, $r2
    successors: %bb.1
    $r3 = frame-setup L2_loadri_io $r1, 0
    frame-destroy J4_cmpgtu_f_jumpnv_t killed $r3, killed $r2, %bb.1, implicit-def $pc

  bb.1:
...

# CHECK-LABEL: name: mixed
# CHECK: frame-setup frame-destroy BUNDLE