# RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-insert-waitcnts -o - %s | FileCheck %s --- | define amdgpu_ps <4 x float> @exp_done_waitcnt(<4 x i32> inreg, <4 x i32> inreg, i32 inreg %w, float %v) #0 { %a = load volatile float, float addrspace(1)* undef %b = load volatile float, float addrspace(1)* undef %c = load volatile float, float addrspace(1)* undef %d = load volatile float, float addrspace(1)* undef call void @llvm.amdgcn.exp.f32(i32 15, i32 1, float %a, float %b, float %c, float %d, i1 true, i1 false) ret <4 x float> <float 5.000000e-01, float 1.000000e+00, float 2.000000e+00, float 4.000000e+00> } declare void @llvm.amdgcn.exp.f32(i32, i32, float, float, float, float, i1, i1) #0 attributes #0 = { nounwind } ... --- # CHECK-LABEL: name: exp_done_waitcnt{{$}} # CHECK: EXP_DONE # CHECK-NEXT: S_WAITCNT 3855 # CHECK: $vgpr0 = V_MOV_B32 # CHECK: $vgpr1 = V_MOV_B32 # CHECK: $vgpr2 = V_MOV_B32 # CHECK: $vgpr3 = V_MOV_B32 name: exp_done_waitcnt alignment: 1 exposesReturnsTwice: false legalized: false regBankSelected: false selected: false tracksRegLiveness: true frameInfo: isFrameAddressTaken: false isReturnAddressTaken: false hasStackMap: false hasPatchPoint: false stackSize: 0 offsetAdjustment: 0 maxAlignment: 0 adjustsStack: false hasCalls: false maxCallFrameSize: 0 hasOpaqueSPAdjustment: false hasVAStart: false hasMustTailInVarArgFunc: false body: | bb.0 (%ir-block.2): $sgpr3 = S_MOV_B32 61440 $sgpr2 = S_MOV_B32 -1 $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) $vgpr1 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) $vgpr2 = BUFFER_LOAD_DWORD_OFFSET $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) $vgpr3 = BUFFER_LOAD_DWORD_OFFSET killed $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (volatile load (s32) from `float addrspace(1)* undef`) EXP_DONE 0, killed $vgpr0, killed $vgpr1, killed $vgpr2, killed $vgpr3, -1, -1, 15, implicit $exec $vgpr0 = V_MOV_B32_e32 1056964608, implicit $exec $vgpr1 = V_MOV_B32_e32 1065353216, implicit $exec $vgpr2 = V_MOV_B32_e32 1073741824, implicit $exec $vgpr3 = V_MOV_B32_e32 1082130432, implicit $exec SI_RETURN_TO_EPILOG killed $vgpr0, killed $vgpr1, killed $vgpr2, killed $vgpr3 ...