1# RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck %s
2--- |
3  define amdgpu_ps <4 x float> @exp_done_waitcnt(<4 x i32> inreg, <4 x
4  i32> inreg, i32 inreg %w, float %v) #0 {
5    %a = load volatile float, float addrspace(1)* undef
6    %b = load volatile float, float addrspace(1)* undef
7    %c = load volatile float, float addrspace(1)* undef
8    %d = load volatile float, float addrspace(1)* undef
9    call void @llvm.amdgcn.exp.f32(i32 15, i32 1, float %a, float %b, float %c, float %d, i1 true, i1 false)
10    ret <4 x float> <float 5.000000e-01, float 1.000000e+00, float 2.000000e+00, float 4.000000e+00>
11  }
12
13  declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0
14
15  attributes #0 = { nounwind }
16
17...
18---
19
20# CHECK-LABEL: name: exp_done_waitcnt{{$}}
21# CHECK: EXP_DONE
22# CHECK-NEXT: S_WAITCNT 3855
23# CHECK: $vgpr0 = V_MOV_B32
24# CHECK: $vgpr1 = V_MOV_B32
25# CHECK: $vgpr2 = V_MOV_B32
26# CHECK: $vgpr3 = V_MOV_B32
27name:            exp_done_waitcnt
28alignment:       1
29exposesReturnsTwice: false
30legalized:       false
31regBankSelected: false
32selected:        false
33tracksRegLiveness: true
34frameInfo:
35  isFrameAddressTaken: false
36  isReturnAddressTaken: false
37  hasStackMap:     false
38  hasPatchPoint:   false
39  stackSize:       0
40  offsetAdjustment: 0
41  maxAlignment:    0
42  adjustsStack:    false
43  hasCalls:        false
44  maxCallFrameSize: 0
45  hasOpaqueSPAdjustment: false
46  hasVAStart:      false
47  hasMustTailInVarArgFunc: false
48body:             |
49  bb.0 (%ir-block.2):
50    $sgpr3 = S_MOV_B32 61440
51    $sgpr2 = S_MOV_B32 -1
52    $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `float addrspace(1)* undef`)
53    $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `float addrspace(1)* undef`)
54    $vgpr2 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `float addrspace(1)* undef`)
55    $vgpr3 = BUFFER_LOAD_DWORD_OFFSET killed $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `float addrspace(1)* undef`)
56    EXP_DONE 0, killed $vgpr0, killed $vgpr1, killed $vgpr2, killed $vgpr3, -1, -1, 15, implicit $exec
57    $vgpr0 = V_MOV_B32_e32 1056964608, implicit $exec
58    $vgpr1 = V_MOV_B32_e32 1065353216, implicit $exec
59    $vgpr2 = V_MOV_B32_e32 1073741824, implicit $exec
60    $vgpr3 = V_MOV_B32_e32 1082130432, implicit $exec
61    SI_RETURN_TO_EPILOG killed $vgpr0, killed $vgpr1, killed $vgpr2, killed $vgpr3
62
63...
64