1# RUN: llc -march=amdgcn -mcpu=fiji -run-pass si-insert-waits  %s -o - | FileCheck %s
2
3--- |
4  define void @flat_zero_waitcnt(i32 addrspace(1)* %global4,
5                                 <4 x i32> addrspace(1)* %global16,
6                                 i32 addrspace(4)* %flat4,
7                                 <4 x i32> addrspace(4)* %flat16) {
8    ret void
9  }
10...
11---
12
13# CHECK-LABEL: name: flat_zero_waitcnt
14
15# CHECK-LABEL: bb.0:
16# CHECK: FLAT_LOAD_DWORD
17# CHECK: FLAT_LOAD_DWORDX4
18# Global loads will return in order so we should:
19# s_waitcnt vmcnt(1) lgkmcnt(0)
20# CHECK-NEXT: S_WAITCNT 113
21
22# CHECK-LABEL: bb.1:
23# CHECK: FLAT_LOAD_DWORD
24# CHECK: FLAT_LOAD_DWORDX4
25# The first load has no mem operand, so we should assume it accesses the flat
26# address space.
27# s_waitcnt vmcnt(0) lgkmcnt(0)
28# CHECK-NEXT: S_WAITCNT 112
29
30# CHECK-LABEL: bb.2:
31# CHECK: FLAT_LOAD_DWORD
32# CHECK: FLAT_LOAD_DWORDX4
33# One outstand loads access the flat address space.
34# s_waitcnt vmcnt(0) lgkmcnt(0)
35# CHECK-NEXT: S_WAITCNT 112
36
37name: flat_zero_waitcnt
38
39body: |
40  bb.0:
41    successors: %bb.1
42    %vgpr0 = FLAT_LOAD_DWORD %vgpr1_vgpr2, 0, 0, 0, implicit %exec, implicit %flat_scr :: (load 4 from %ir.global4)
43    %vgpr3_vgpr4_vgpr5_vgpr6 = FLAT_LOAD_DWORDX4 %vgpr7_vgpr8, 0, 0, 0, implicit %exec, implicit %flat_scr :: (load 16 from %ir.global16)
44    %vgpr0 = V_MOV_B32_e32 %vgpr1, implicit %exec
45    S_BRANCH %bb.1
46
47  bb.1:
48    successors: %bb.2
49    %vgpr0 = FLAT_LOAD_DWORD %vgpr1_vgpr2, 0, 0, 0, implicit %exec, implicit %flat_scr
50    %vgpr3_vgpr4_vgpr5_vgpr6 = FLAT_LOAD_DWORDX4 %vgpr7_vgpr8, 0, 0, 0, implicit %exec, implicit %flat_scr :: (load 16 from %ir.global16)
51    %vgpr0 = V_MOV_B32_e32 %vgpr1, implicit %exec
52    S_BRANCH %bb.2
53
54  bb.2:
55    %vgpr0 = FLAT_LOAD_DWORD %vgpr1_vgpr2, 0, 0, 0, implicit %exec, implicit %flat_scr :: (load 4 from %ir.flat4)
56    %vgpr3_vgpr4_vgpr5_vgpr6 = FLAT_LOAD_DWORDX4 %vgpr7_vgpr8, 0, 0, 0, implicit %exec, implicit %flat_scr :: (load 16 from %ir.flat16)
57    %vgpr0 = V_MOV_B32_e32 %vgpr1, implicit %exec
58    S_ENDPGM
59...
60