You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
901 B
27 lines
901 B
4 months ago
|
# RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-insert-waitcnts -verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
|
||
|
|
|
||
|
|
# Check that the waitcnt propogates info in the case of a single basic block loop
|
||
|
|
|
||
|
|
# GCN-LABEL: waitcnt-loop-single-basic-block
|
||
|
|
# GCN: bb.0
|
||
|
|
# GCN: S_WAITCNT 3952
|
||
|
|
# GCN-NEXT: GLOBAL_STORE_DWORD
|
||
|
|
# GCN: S_WAITCNT 3953
|
||
|
|
# GCN-NEXT: GLOBAL_STORE_DWORD
|
||
|
|
|
||
|
|
...
|
||
|
|
name: waitcnt-loop-single-basic-block
|
||
|
|
body: |
|
||
|
|
bb.0:
|
||
|
|
S_BRANCH %bb.1
|
||
|
|
bb.1:
|
||
|
|
GLOBAL_STORE_DWORD $vgpr7_vgpr8, $vgpr11, 0, 0, 0, 0, implicit $exec
|
||
|
|
$vgpr21 = GLOBAL_LOAD_DWORD $vgpr4_vgpr5, 0, 0, 0, 0, implicit $exec
|
||
|
|
$vgpr10 = GLOBAL_LOAD_DWORD $vgpr10_vgpr11, 0, 0, 0, 0, implicit $exec
|
||
|
|
GLOBAL_STORE_DWORD $vgpr14_vgpr15, $vgpr21, 0, 0, 0, 0, implicit $exec
|
||
|
|
$vgpr11 = GLOBAL_LOAD_DWORD $vgpr11_vgpr12, 0, 0, 0, 0, implicit $exec
|
||
|
|
S_CBRANCH_SCC1 %bb.1, implicit $scc
|
||
|
|
bb.2:
|
||
|
|
S_ENDPGM 0
|
||
|
|
...
|