1 # RUN: llc -run-pass block-placement -march=amdgcn -verify-machineinstrs -o - %s | FileCheck %s 2 --- | 3 4 define amdgpu_kernel void @invert_br_undef_vcc(float %cond, i32 addrspace(1)* %out) #0 { 5 entry: 6 br i1 undef, label %if, label %else, !structurizecfg.uniform !0, !amdgpu.uniform !0 7 8 else: ; preds = %entry 9 store volatile i32 100, i32 addrspace(1)* undef 10 br label %done, !structurizecfg.uniform !0 11 12 if: ; preds = %entry 13 store volatile i32 9, i32 addrspace(1)* undef 14 br label %done, !structurizecfg.uniform !0 15 16 done: ; preds = %if, %else 17 %value = phi i32 [ 0, %if ], [ 1, %else ] 18 store i32 %value, i32 addrspace(1)* %out 19 ret void 20 } 21 22 attributes #0 = { nounwind } 23 24 !0 = !{} 25 26 ... 27 --- 28 # CHECK-LABEL: name: invert_br_undef_vcc 29 # CHECK: S_CBRANCH_VCCZ %bb.1, implicit undef $vcc 30 31 name: invert_br_undef_vcc 32 alignment: 0 33 exposesReturnsTwice: false 34 legalized: false 35 regBankSelected: false 36 selected: false 37 tracksRegLiveness: true 38 liveins: 39 - { reg: '$sgpr0_sgpr1' } 40 frameInfo: 41 isFrameAddressTaken: false 42 isReturnAddressTaken: false 43 hasStackMap: false 44 hasPatchPoint: false 45 stackSize: 0 46 offsetAdjustment: 0 47 maxAlignment: 0 48 adjustsStack: false 49 hasCalls: false 50 maxCallFrameSize: 0 51 hasOpaqueSPAdjustment: false 52 hasVAStart: false 53 hasMustTailInVarArgFunc: false 54 body: | 55 bb.0.entry: 56 liveins: $sgpr0_sgpr1 57 58 $sgpr0_sgpr1 = S_LOAD_DWORDX2_IMM killed $sgpr0_sgpr1, 11, 0 :: (non-temporal dereferenceable invariant load 8 from `i64 addrspace(2)* undef`) 59 $sgpr7 = S_MOV_B32 61440 60 $sgpr6 = S_MOV_B32 -1 61 S_CBRANCH_VCCNZ %bb.2, implicit undef $vcc 62 63 bb.1.else: 64 liveins: $sgpr6, $sgpr7, $sgpr0_sgpr1_sgpr2_sgpr3:0x00000003 65 66 $vgpr0 = V_MOV_B32_e32 100, implicit $exec 67 BUFFER_STORE_DWORD_OFFSET killed $vgpr0, killed $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile store 4 into `i32 addrspace(1)* undef`) 68 $vgpr0 = V_MOV_B32_e32 1, implicit $exec 69 S_BRANCH %bb.3 70 71 bb.2.if: 72 liveins: $sgpr6, $sgpr7, $sgpr0_sgpr1_sgpr2_sgpr3:0x00000003 73 74 $vgpr0 = V_MOV_B32_e32 9, implicit $exec 75 BUFFER_STORE_DWORD_OFFSET killed $vgpr0, killed $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile store 4 into `i32 addrspace(1)* undef`) 76 $vgpr0 = V_MOV_B32_e32 0, implicit $exec 77 78 bb.3.done: 79 liveins: $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3:0x00000003 80 81 $sgpr3 = S_MOV_B32 61440 82 $sgpr2 = S_MOV_B32 -1 83 BUFFER_STORE_DWORD_OFFSET killed $vgpr0, killed $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into %ir.out) 84 S_ENDPGM 85 86 ... 87
