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64 lines
2.6 KiB
64 lines
2.6 KiB
# RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck %s
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--- |
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define amdgpu_ps <4 x float> @exp_done_waitcnt(<4 x i32> inreg, <4 x
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i32> inreg, i32 inreg %w, float %v) #0 {
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%a = load volatile float, float addrspace(1)* undef
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%b = load volatile float, float addrspace(1)* undef
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%c = load volatile float, float addrspace(1)* undef
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%d = load volatile float, float addrspace(1)* undef
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call void @llvm.amdgcn.exp.f32(i32 15, i32 1, float %a, float %b, float %c, float %d, i1 true, i1 false)
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ret <4 x float> <float 5.000000e-01, float 1.000000e+00, float 2.000000e+00, float 4.000000e+00>
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}
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declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0
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attributes #0 = { nounwind }
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...
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---
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# CHECK-LABEL: name: exp_done_waitcnt{{$}}
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# CHECK: EXP_DONE
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# CHECK-NEXT: S_WAITCNT 3855
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# CHECK: $vgpr0 = V_MOV_B32
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# CHECK: $vgpr1 = V_MOV_B32
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# CHECK: $vgpr2 = V_MOV_B32
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# CHECK: $vgpr3 = V_MOV_B32
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name: exp_done_waitcnt
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alignment: 1
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exposesReturnsTwice: false
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legalized: false
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regBankSelected: false
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selected: false
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tracksRegLiveness: true
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frameInfo:
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isFrameAddressTaken: false
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isReturnAddressTaken: false
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hasStackMap: false
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hasPatchPoint: false
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stackSize: 0
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offsetAdjustment: 0
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maxAlignment: 0
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adjustsStack: false
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hasCalls: false
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maxCallFrameSize: 0
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hasOpaqueSPAdjustment: false
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hasVAStart: false
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hasMustTailInVarArgFunc: false
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body: |
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bb.0 (%ir-block.2):
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$sgpr3 = S_MOV_B32 61440
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$sgpr2 = S_MOV_B32 -1
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$vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `float addrspace(1)* undef`)
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$vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `float addrspace(1)* undef`)
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$vgpr2 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `float addrspace(1)* undef`)
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$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`)
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EXP_DONE 0, killed $vgpr0, killed $vgpr1, killed $vgpr2, killed $vgpr3, -1, -1, 15, implicit $exec
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$vgpr0 = V_MOV_B32_e32 1056964608, implicit $exec
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$vgpr1 = V_MOV_B32_e32 1065353216, implicit $exec
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$vgpr2 = V_MOV_B32_e32 1073741824, implicit $exec
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$vgpr3 = V_MOV_B32_e32 1082130432, implicit $exec
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SI_RETURN_TO_EPILOG killed $vgpr0, killed $vgpr1, killed $vgpr2, killed $vgpr3
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...
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