1 # RUN: llc -march=hexagon -mcpu=hexagonv60 -run-pass hexagon-packetizer %s -o - | FileCheck %s 2 3 # Check that a store can be packetized with a load that happens later 4 # if these instructions are not aliased (the load will actually execute 5 # first). 6 # CHECK-LABEL: name: danny 7 # CHECK: BUNDLE 8 9 --- 10 name: danny 11 tracksRegLiveness: true 12 stack: 13 - { id: 0, type: default, size: 4, alignment: 4 } 14 - { id: 1, type: default, size: 4, alignment: 4 } 15 body: | 16 bb.0: 17 liveins: $r0 18 S2_storeri_io $r29, 0, $r0 :: (store 4 into %stack.0) 19 $r1 = L2_loadri_io $r29, 4 :: (load 4 from %stack.1) 20 ... 21 22 23 # Check that a store cannot be packetized with a load that happens later 24 # if these instructions are aliased. 25 # CHECK-LABEL: name: sammy 26 # CHECK-NOT: BUNDLE 27 # CHECK: S2_storeri_io $r29, 0, $r0 28 # CHECK: $r1 = L2_loadri_io $r29, 0 29 30 --- 31 name: sammy 32 tracksRegLiveness: true 33 stack: 34 - { id: 0, type: default, size: 4, alignment: 4 } 35 body: | 36 bb.0: 37 liveins: $r0 38 S2_storeri_io $r29, 0, $r0 :: (store 4 into %stack.0) 39 $r1 = L2_loadri_io $r29, 0 :: (load 4 from %stack.0) 40 ... 41 42