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342 lines
11 KiB
342 lines
11 KiB
# RUN: llc -march=amdgcn -run-pass si-fix-sgpr-copies,si-fold-operands,dead-mi-elimination -verify-machineinstrs -o - %s | FileCheck -check-prefix=GCN %s
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# Check that constant is in SGPR registers
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# GCN-LABEL: {{^}}name: const_to_sgpr{{$}}
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# GCN: %[[HI:[0-9]+]]:sreg_32_xm0 = S_MOV_B32 0
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# GCN-NEXT: %[[LO:[0-9]+]]:sreg_32_xm0 = S_MOV_B32 1048576
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# GCN-NEXT: %[[SGPR_PAIR:[0-9]+]]:sreg_64 = REG_SEQUENCE killed %[[LO]], %subreg.sub0, killed %[[HI]], %subreg.sub1
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# GCN-NEXT: V_CMP_LT_U64_e64 killed %{{[0-9]+}}, %[[SGPR_PAIR]], implicit $exec
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# GCN-LABEL: {{^}}name: const_to_sgpr_multiple_use{{$}}
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# GCN: %[[HI:[0-9]+]]:sreg_32_xm0 = S_MOV_B32 0
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# GCN-NEXT: %[[LO:[0-9]+]]:sreg_32_xm0 = S_MOV_B32 1048576
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# GCN-NEXT: %[[SGPR_PAIR:[0-9]+]]:sreg_64 = REG_SEQUENCE killed %[[LO]], %subreg.sub0, killed %[[HI]], %subreg.sub1
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# GCN-NEXT: V_CMP_LT_U64_e64 killed %{{[0-9]+}}, %[[SGPR_PAIR]], implicit $exec
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# GCN-NEXT: V_CMP_LT_U64_e64 killed %{{[0-9]+}}, %[[SGPR_PAIR]], implicit $exec
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# GCN-LABEL: {{^}}name: const_to_sgpr_subreg{{$}}
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# GCN: %[[OP0:[0-9]+]]:vreg_64 = REG_SEQUENCE killed %{{[0-9]+}}, %subreg.sub0, killed %{{[0-9]+}}, %subreg.sub1
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# GCN-NEXT: V_CMP_LT_U32_e64 killed %[[OP0]].sub0, 12, implicit $exec
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--- |
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define amdgpu_kernel void @const_to_sgpr(i32 addrspace(1)* nocapture %arg, i64 %id) {
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bb:
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br i1 undef, label %bb1, label %bb2
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bb1: ; preds = %bb
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br label %bb2
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bb2: ; preds = %bb1, %bb
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ret void
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}
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define amdgpu_kernel void @const_to_sgpr_multiple_use(i32 addrspace(1)* nocapture %arg, i64 %id1, i64 %id2) {
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bb:
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br i1 undef, label %bb1, label %bb2
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bb1: ; preds = %bb
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br label %bb2
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bb2: ; preds = %bb1, %bb
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ret void
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}
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define amdgpu_kernel void @const_to_sgpr_subreg(i32 addrspace(1)* nocapture %arg, i64 %id) {
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bb:
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br i1 undef, label %bb1, label %bb2
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bb1: ; preds = %bb
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br label %bb2
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bb2: ; preds = %bb1, %bb
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ret void
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}
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...
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---
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name: const_to_sgpr
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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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registers:
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- { id: 0, class: sreg_64 }
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- { id: 1, class: sreg_64 }
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- { id: 2, class: vgpr_32 }
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- { id: 3, class: sgpr_64 }
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- { id: 4, class: sreg_32_xm0 }
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- { id: 5, class: sgpr_32 }
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- { id: 6, class: sreg_64 }
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- { id: 7, class: sreg_64_xexec }
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- { id: 8, class: sreg_64_xexec }
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- { id: 9, class: sreg_32 }
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- { id: 10, class: sreg_64 }
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- { id: 11, class: sreg_32_xm0 }
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- { id: 12, class: sreg_32_xm0 }
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- { id: 13, class: sreg_32_xm0 }
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- { id: 14, class: sreg_32_xm0 }
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- { id: 15, class: sreg_32_xm0 }
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- { id: 16, class: sreg_32_xm0 }
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- { id: 17, class: sreg_64 }
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- { id: 18, class: sreg_32_xm0 }
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- { id: 19, class: sreg_32_xm0 }
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- { id: 20, class: sreg_64 }
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- { id: 21, class: sreg_64 }
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- { id: 22, class: vreg_64 }
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- { id: 23, class: sreg_32_xm0 }
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- { id: 24, class: sreg_64 }
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- { id: 25, class: sreg_32_xm0 }
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- { id: 26, class: sreg_32_xm0 }
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- { id: 27, class: sgpr_64 }
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- { id: 28, class: sgpr_128 }
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- { id: 29, class: vgpr_32 }
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- { id: 30, class: vreg_64 }
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liveins:
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- { reg: '$vgpr0', virtual-reg: '%2' }
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- { reg: '$sgpr0_sgpr1', virtual-reg: '%3' }
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body: |
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bb.0.bb:
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successors: %bb.1.bb1(0x40000000), %bb.2.bb2(0x40000000)
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liveins: $vgpr0, $sgpr0_sgpr1
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%3 = COPY $sgpr0_sgpr1
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%2 = COPY $vgpr0
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%7 = S_LOAD_DWORDX2_IMM %3, 9, 0, 0
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%8 = S_LOAD_DWORDX2_IMM %3, 11, 0, 0
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%6 = COPY %7
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%9 = S_MOV_B32 0
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%10 = REG_SEQUENCE %2, %subreg.sub0, killed %9, %subreg.sub1
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%0 = COPY %10
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%11 = COPY %10.sub0
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%12 = COPY %10.sub1
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%13 = COPY %8.sub0
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%14 = COPY %8.sub1
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%15 = S_ADD_U32 killed %11, killed %13, implicit-def $scc
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%16 = S_ADDC_U32 killed %12, killed %14, implicit-def dead $scc, implicit $scc
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%17 = REG_SEQUENCE killed %15, %subreg.sub0, killed %16, %subreg.sub1
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%18 = S_MOV_B32 0
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%19 = S_MOV_B32 1048576
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%20 = REG_SEQUENCE killed %19, %subreg.sub0, killed %18, %subreg.sub1
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%22 = COPY killed %20
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%21 = V_CMP_LT_U64_e64 killed %17, %22, implicit $exec
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%1 = SI_IF killed %21, %bb.2.bb2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_BRANCH %bb.1.bb1
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bb.1.bb1:
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successors: %bb.2.bb2(0x80000000)
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%23 = S_MOV_B32 2
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%24 = S_LSHL_B64 %0, killed %23, implicit-def dead $scc
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%25 = S_MOV_B32 61440
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%26 = S_MOV_B32 0
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%27 = REG_SEQUENCE killed %26, %subreg.sub0, killed %25, %subreg.sub1
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%28 = REG_SEQUENCE %6, 17, killed %27, 18
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%29 = V_MOV_B32_e32 0, implicit $exec
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%30 = COPY %24
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BUFFER_STORE_DWORD_ADDR64 killed %29, killed %30, killed %28, 0, 0, 0, 0, 0, 0, 0, implicit $exec
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bb.2.bb2:
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SI_END_CF %1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_ENDPGM 0
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...
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---
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name: const_to_sgpr_multiple_use
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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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registers:
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- { id: 0, class: sreg_64 }
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- { id: 1, class: sreg_64 }
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- { id: 2, class: vgpr_32 }
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- { id: 3, class: sgpr_64 }
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- { id: 4, class: sreg_32_xm0 }
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- { id: 5, class: sgpr_32 }
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- { id: 6, class: sreg_64 }
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- { id: 7, class: sreg_64_xexec }
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- { id: 8, class: sreg_64_xexec }
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- { id: 9, class: sreg_64_xexec }
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- { id: 10, class: sreg_32 }
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- { id: 11, class: sreg_64 }
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- { id: 12, class: sreg_32_xm0 }
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- { id: 13, class: sreg_32_xm0 }
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- { id: 14, class: sreg_32_xm0 }
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- { id: 15, class: sreg_32_xm0 }
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- { id: 16, class: sreg_32_xm0 }
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- { id: 17, class: sreg_32_xm0 }
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- { id: 18, class: sreg_64 }
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- { id: 19, class: sreg_32_xm0 }
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- { id: 20, class: sreg_32_xm0 }
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- { id: 21, class: sreg_32_xm0 }
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- { id: 22, class: sreg_32_xm0 }
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- { id: 23, class: sreg_64 }
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- { id: 24, class: sreg_32_xm0 }
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- { id: 25, class: sreg_32_xm0 }
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- { id: 26, class: sreg_64 }
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- { id: 27, class: sreg_64 }
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- { id: 28, class: vreg_64 }
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- { id: 29, class: sreg_64 }
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- { id: 30, class: vreg_64 }
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- { id: 31, class: sreg_64 }
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- { id: 32, class: sreg_32_xm0 }
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- { id: 33, class: sreg_64 }
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- { id: 34, class: sreg_32_xm0 }
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- { id: 35, class: sreg_32_xm0 }
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- { id: 36, class: sgpr_64 }
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- { id: 37, class: sgpr_128 }
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- { id: 38, class: vgpr_32 }
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- { id: 39, class: vreg_64 }
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liveins:
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- { reg: '$vgpr0', virtual-reg: '%2' }
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- { reg: '$sgpr0_sgpr1', virtual-reg: '%3' }
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body: |
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bb.0.bb:
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successors: %bb.1.bb1(0x40000000), %bb.2.bb2(0x40000000)
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liveins: $vgpr0, $sgpr0_sgpr1
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%3 = COPY $sgpr0_sgpr1
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%2 = COPY $vgpr0
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%7 = S_LOAD_DWORDX2_IMM %3, 9, 0, 0
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%8 = S_LOAD_DWORDX2_IMM %3, 11, 0, 0
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%9 = S_LOAD_DWORDX2_IMM %3, 13, 0, 0
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%6 = COPY %7
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%10 = S_MOV_B32 0
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%11 = REG_SEQUENCE %2, %subreg.sub0, killed %10, %subreg.sub1
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%0 = COPY %11
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%12 = COPY %11.sub0
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%13 = COPY %11.sub1
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%14 = COPY %8.sub0
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%15 = COPY %8.sub1
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%16 = S_ADD_U32 %12, killed %14, implicit-def $scc
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%17 = S_ADDC_U32 %13, killed %15, implicit-def dead $scc, implicit $scc
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%18 = REG_SEQUENCE killed %16, %subreg.sub0, killed %17, %subreg.sub1
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%19 = COPY %9.sub0
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%20 = COPY %9.sub1
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%21 = S_ADD_U32 %12, killed %19, implicit-def $scc
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%22 = S_ADDC_U32 %13, killed %20, implicit-def dead $scc, implicit $scc
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%23 = REG_SEQUENCE killed %21, %subreg.sub0, killed %22, %subreg.sub1
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%24 = S_MOV_B32 0
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%25 = S_MOV_B32 1048576
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%26 = REG_SEQUENCE killed %25, %subreg.sub0, killed %24, %subreg.sub1
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%28 = COPY %26
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%27 = V_CMP_LT_U64_e64 killed %18, %28, implicit $exec
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%29 = V_CMP_LT_U64_e64 killed %23, %28, implicit $exec
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%31 = S_AND_B64 killed %27, killed %29, implicit-def dead $scc
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%1 = SI_IF killed %31, %bb.2.bb2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_BRANCH %bb.1.bb1
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bb.1.bb1:
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successors: %bb.2.bb2(0x80000000)
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%32 = S_MOV_B32 2
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%33 = S_LSHL_B64 %0, killed %32, implicit-def dead $scc
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%34 = S_MOV_B32 61440
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%35 = S_MOV_B32 0
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%36 = REG_SEQUENCE killed %35, %subreg.sub0, killed %34, %subreg.sub1
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%37 = REG_SEQUENCE %6, 17, killed %36, 18
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%38 = V_MOV_B32_e32 0, implicit $exec
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%39 = COPY %33
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BUFFER_STORE_DWORD_ADDR64 killed %38, killed %39, killed %37, 0, 0, 0, 0, 0, 0, 0, implicit $exec
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bb.2.bb2:
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SI_END_CF %1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_ENDPGM 0
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...
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---
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name: const_to_sgpr_subreg
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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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registers:
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- { id: 0, class: sreg_64 }
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- { id: 1, class: sreg_64 }
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- { id: 2, class: vgpr_32 }
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- { id: 3, class: sgpr_64 }
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- { id: 4, class: sreg_32_xm0 }
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- { id: 5, class: sgpr_32 }
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- { id: 6, class: sreg_64 }
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- { id: 7, class: sreg_64_xexec }
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- { id: 8, class: sreg_64_xexec }
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- { id: 9, class: sreg_32 }
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- { id: 10, class: sreg_64 }
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- { id: 11, class: sreg_32_xm0 }
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- { id: 12, class: sreg_32_xm0 }
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- { id: 13, class: sreg_32_xm0 }
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- { id: 14, class: sreg_32_xm0 }
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- { id: 15, class: sreg_32_xm0 }
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- { id: 16, class: sreg_32_xm0 }
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- { id: 17, class: sreg_64 }
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- { id: 18, class: sreg_32_xm0 }
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- { id: 19, class: sreg_32_xm0 }
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- { id: 20, class: sreg_64 }
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- { id: 21, class: sreg_64 }
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- { id: 22, class: vgpr_32 }
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- { id: 23, class: sreg_32_xm0 }
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- { id: 24, class: sreg_64 }
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- { id: 25, class: sreg_32_xm0 }
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- { id: 26, class: sreg_32_xm0 }
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- { id: 27, class: sgpr_64 }
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- { id: 28, class: sgpr_128 }
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- { id: 29, class: vgpr_32 }
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- { id: 30, class: vreg_64 }
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liveins:
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- { reg: '$vgpr0', virtual-reg: '%2' }
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- { reg: '$sgpr0_sgpr1', virtual-reg: '%3' }
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body: |
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bb.0.bb:
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successors: %bb.1.bb1(0x40000000), %bb.2.bb2(0x40000000)
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liveins: $vgpr0, $sgpr0_sgpr1
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%3 = COPY $sgpr0_sgpr1
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%2 = COPY $vgpr0
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%7 = S_LOAD_DWORDX2_IMM %3, 9, 0, 0
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%8 = S_LOAD_DWORDX2_IMM %3, 11, 0, 0
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%6 = COPY %7
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%9 = S_MOV_B32 0
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%10 = REG_SEQUENCE %2, %subreg.sub0, killed %9, %subreg.sub1
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%0 = COPY %10
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%11 = COPY %10.sub0
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%12 = COPY %10.sub1
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%13 = COPY %8.sub0
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%14 = COPY %8.sub1
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%15 = S_ADD_U32 killed %11, killed %13, implicit-def $scc
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%16 = S_ADDC_U32 killed %12, killed %14, implicit-def dead $scc, implicit $scc
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%17 = REG_SEQUENCE killed %15, %subreg.sub0, killed %16, %subreg.sub1
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%18 = S_MOV_B32 12
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%19 = S_MOV_B32 1048576
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%20 = REG_SEQUENCE killed %19, %subreg.sub0, killed %18, %subreg.sub1
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%22 = COPY killed %20.sub1
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%21 = V_CMP_LT_U32_e64 killed %17.sub0, %22, implicit $exec
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%1 = SI_IF killed %21, %bb.2.bb2, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_BRANCH %bb.1.bb1
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bb.1.bb1:
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successors: %bb.2.bb2(0x80000000)
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%23 = S_MOV_B32 2
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%24 = S_LSHL_B64 %0, killed %23, implicit-def dead $scc
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%25 = S_MOV_B32 61440
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%26 = S_MOV_B32 0
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%27 = REG_SEQUENCE killed %26, %subreg.sub0, killed %25, %subreg.sub1
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%28 = REG_SEQUENCE %6, 17, killed %27, 18
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%29 = V_MOV_B32_e32 0, implicit $exec
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%30 = COPY %24
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BUFFER_STORE_DWORD_ADDR64 killed %29, killed %30, killed %28, 0, 0, 0, 0, 0, 0, 0, implicit $exec
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bb.2.bb2:
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SI_END_CF %1, implicit-def dead $exec, implicit-def dead $scc, implicit $exec
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S_ENDPGM 0
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...
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