| # RUN: llc -march=amdgcn -verify-machineinstrs -run-pass si-optimize-exec-masking -o - %s | FileCheck %s |
| |
| --- | |
| target datalayout = "e-p:32:32-p1:64:64-p2:64:64-p3:32:32-p4:64:64-p5:32:32-i64:64-v16:16-v24:32-v32:32-v48:64-v96:128-v192:256-v256:256-v512:512-v1024:1024-v2048:2048-n32:64" |
| |
| define amdgpu_kernel void @optimize_if_and_saveexec_xor(i32 %z, i32 %v) #0 { |
| main_body: |
| %id = call i32 @llvm.amdgcn.workitem.id.x() |
| %cc = icmp eq i32 %id, 0 |
| %0 = call { i1, i64 } @llvm.amdgcn.if(i1 %cc) |
| %1 = extractvalue { i1, i64 } %0, 0 |
| %2 = extractvalue { i1, i64 } %0, 1 |
| br i1 %1, label %if, label %end |
| |
| if: ; preds = %main_body |
| %v.if = load volatile i32, i32 addrspace(1)* undef |
| br label %end |
| |
| end: ; preds = %if, %main_body |
| %r = phi i32 [ 4, %main_body ], [ %v.if, %if ] |
| call void @llvm.amdgcn.end.cf(i64 %2) |
| store i32 %r, i32 addrspace(1)* undef |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_and_saveexec(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_or_saveexec(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| |
| define amdgpu_kernel void @optimize_if_and_saveexec_xor_valu_middle(i32 %z, i32 %v) #0 { |
| main_body: |
| %id = call i32 @llvm.amdgcn.workitem.id.x() |
| %cc = icmp eq i32 %id, 0 |
| %0 = call { i1, i64 } @llvm.amdgcn.if(i1 %cc) |
| %1 = extractvalue { i1, i64 } %0, 0 |
| %2 = extractvalue { i1, i64 } %0, 1 |
| store i32 %id, i32 addrspace(1)* undef |
| br i1 %1, label %if, label %end |
| |
| if: ; preds = %main_body |
| %v.if = load volatile i32, i32 addrspace(1)* undef |
| br label %end |
| |
| end: ; preds = %if, %main_body |
| %r = phi i32 [ 4, %main_body ], [ %v.if, %if ] |
| call void @llvm.amdgcn.end.cf(i64 %2) |
| store i32 %r, i32 addrspace(1)* undef |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_and_saveexec_xor_wrong_reg(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_and_saveexec_xor_modify_copy_to_exec(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_and_saveexec_xor_live_out_setexec(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_unknown_saveexec(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_andn2_saveexec(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| define amdgpu_kernel void @optimize_if_andn2_saveexec_no_commute(i32 %z, i32 %v) #0 { |
| main_body: |
| br i1 undef, label %if, label %end |
| |
| if: |
| br label %end |
| |
| end: |
| ret void |
| } |
| |
| ; Function Attrs: nounwind readnone |
| declare i32 @llvm.amdgcn.workitem.id.x() #1 |
| |
| declare { i1, i64 } @llvm.amdgcn.if(i1) |
| |
| declare void @llvm.amdgcn.end.cf(i64) |
| |
| |
| attributes #0 = { nounwind } |
| attributes #1 = { nounwind readnone } |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_and_saveexec_xor{{$}} |
| # CHECK: $sgpr0_sgpr1 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec |
| # CHECK-NEXT: $sgpr0_sgpr1 = S_XOR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| # CHECK-NEXT: SI_MASK_BRANCH |
| |
| name: optimize_if_and_saveexec_xor |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| $sgpr0_sgpr1 = S_XOR_B64 $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_and_saveexec{{$}} |
| # CHECK: $sgpr0_sgpr1 = S_AND_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec |
| # CHECK-NEXT: SI_MASK_BRANCH |
| |
| name: optimize_if_and_saveexec |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_or_saveexec{{$}} |
| # CHECK: $sgpr0_sgpr1 = S_OR_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec |
| # CHECK-NEXT: SI_MASK_BRANCH |
| |
| name: optimize_if_or_saveexec |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_OR_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_and_saveexec_xor_valu_middle |
| # CHECK: $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| # CHECK-NEXT: BUFFER_STORE_DWORD_OFFSET $vgpr0, undef $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`, addrspace 1) |
| # CHECK-NEXT: $sgpr0_sgpr1 = S_XOR_B64 $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| # CHECK-NEXT: $exec = COPY killed $sgpr2_sgpr3 |
| # CHECK-NEXT: SI_MASK_BRANCH |
| name: optimize_if_and_saveexec_xor_valu_middle |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| BUFFER_STORE_DWORD_OFFSET $vgpr0, undef $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| $sgpr0_sgpr1 = S_XOR_B64 $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_and_saveexec_xor_wrong_reg{{$}} |
| # CHECK: $sgpr0_sgpr1 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| # CHECK-NEXT: $sgpr0_sgpr1 = S_XOR_B64 undef $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| # CHECK-NEXT: $exec = COPY $sgpr0_sgpr1 |
| # CHECK-NEXT: SI_MASK_BRANCH %bb.2, implicit $exec |
| name: optimize_if_and_saveexec_xor_wrong_reg |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr6 = S_MOV_B32 -1 |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr0_sgpr1 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| $sgpr0_sgpr1 = S_XOR_B64 undef $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| $exec = S_MOV_B64_term $sgpr0_sgpr1 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 , $sgpr4_sgpr5_sgpr6_sgpr7 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1, $sgpr4_sgpr5_sgpr6_sgpr7 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_and_saveexec_xor_modify_copy_to_exec{{$}} |
| # CHECK: $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| # CHECK-NEXT: $sgpr2_sgpr3 = S_OR_B64 killed $sgpr2_sgpr3, 1, implicit-def $scc |
| # CHECK-NEXT: $sgpr0_sgpr1 = S_XOR_B64 $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| # CHECK-NEXT: $exec = COPY killed $sgpr2_sgpr3 |
| # CHECK-NEXT: SI_MASK_BRANCH %bb.2, implicit $exec |
| |
| name: optimize_if_and_saveexec_xor_modify_copy_to_exec |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| $sgpr2_sgpr3 = S_OR_B64 killed $sgpr2_sgpr3, 1, implicit-def $scc |
| $sgpr0_sgpr1 = S_XOR_B64 $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr0 = S_MOV_B32 0 |
| $sgpr1 = S_MOV_B32 1 |
| $sgpr2 = S_MOV_B32 -1 |
| $sgpr3 = S_MOV_B32 61440 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_and_saveexec_xor_live_out_setexec{{$}} |
| # CHECK: $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| # CHECK-NEXT: $sgpr0_sgpr1 = S_XOR_B64 $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| # CHECK-NEXT: $exec = COPY $sgpr2_sgpr3 |
| # CHECK-NEXT: SI_MASK_BRANCH |
| name: optimize_if_and_saveexec_xor_live_out_setexec |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_AND_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| $sgpr0_sgpr1 = S_XOR_B64 $sgpr2_sgpr3, killed $sgpr0_sgpr1, implicit-def $scc |
| $exec = S_MOV_B64_term $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1, $sgpr2_sgpr3 |
| S_SLEEP 0, implicit $sgpr2_sgpr3 |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| |
| # CHECK-LABEL: name: optimize_if_unknown_saveexec{{$}} |
| # CHECK: $sgpr0_sgpr1 = COPY $exec |
| # CHECK: $sgpr2_sgpr3 = S_LSHR_B64 $sgpr0_sgpr1, killed $vcc_lo, implicit-def $scc |
| # CHECK-NEXT: $exec = COPY killed $sgpr2_sgpr3 |
| # CHECK-NEXT: SI_MASK_BRANCH %bb.2, implicit $exec |
| |
| name: optimize_if_unknown_saveexec |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_LSHR_B64 $sgpr0_sgpr1, killed $vcc_lo, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_andn2_saveexec{{$}} |
| # CHECK: $sgpr0_sgpr1 = S_ANDN2_SAVEEXEC_B64 $vcc, implicit-def $exec, implicit-def $scc, implicit $exec |
| # CHECK-NEXT: SI_MASK_BRANCH |
| |
| name: optimize_if_andn2_saveexec |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_ANDN2_B64 $sgpr0_sgpr1, killed $vcc, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |
| --- |
| # CHECK-LABEL: name: optimize_if_andn2_saveexec_no_commute{{$}} |
| # CHECK: $sgpr2_sgpr3 = S_ANDN2_B64 killed $vcc, $sgpr0_sgpr1, implicit-def $scc |
| # CHECK-NEXT: $exec = COPY killed $sgpr2_sgpr3 |
| # CHECK-NEXT: SI_MASK_BRANCH %bb.2, implicit $exec |
| name: optimize_if_andn2_saveexec_no_commute |
| alignment: 0 |
| exposesReturnsTwice: false |
| legalized: false |
| regBankSelected: false |
| selected: false |
| tracksRegLiveness: true |
| liveins: |
| - { reg: '$vgpr0' } |
| 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.main_body: |
| liveins: $vgpr0 |
| |
| $sgpr0_sgpr1 = COPY $exec |
| $vcc = V_CMP_EQ_I32_e64 0, killed $vgpr0, implicit $exec |
| $vgpr0 = V_MOV_B32_e32 4, implicit $exec |
| $sgpr2_sgpr3 = S_ANDN2_B64 killed $vcc, $sgpr0_sgpr1, implicit-def $scc |
| $exec = S_MOV_B64_term killed $sgpr2_sgpr3 |
| SI_MASK_BRANCH %bb.2, implicit $exec |
| S_BRANCH %bb.1 |
| |
| bb.1.if: |
| liveins: $sgpr0_sgpr1 |
| |
| $sgpr7 = S_MOV_B32 61440 |
| $sgpr6 = S_MOV_B32 -1 |
| $vgpr0 = BUFFER_LOAD_DWORD_OFFSET $sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit $exec :: (volatile load 4 from `i32 addrspace(1)* undef`) |
| |
| bb.2.end: |
| liveins: $vgpr0, $sgpr0_sgpr1 |
| |
| $exec = S_OR_B64 $exec, killed $sgpr0_sgpr1, implicit-def $scc |
| $sgpr3 = S_MOV_B32 61440 |
| $sgpr2 = S_MOV_B32 -1 |
| BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr0_sgpr1_sgpr2_sgpr3, 0, 0, 0, 0, 0, implicit $exec :: (store 4 into `i32 addrspace(1)* undef`) |
| S_ENDPGM |
| |
| ... |