llvm/test/CodeGen/AMDGPU/memory-legalizer-multiple-mem-operands-atomics.mir

# RUN: llc -march=amdgcn -mcpu=gfx803 -run-pass si-memory-legalizer  %s -o - | FileCheck %s

--- |
  ; ModuleID = 'memory-legalizer-multiple-mem-operands.ll'
  source_filename = "memory-legalizer-multiple-mem-operands.ll"
  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-A5"

  define amdgpu_kernel void @multiple_mem_operands(i32 addrspace(1)* %out, i32 %cond, i32 %if_offset, i32 %else_offset) #0 {
  entry:
    %scratch0 = alloca [8192 x i32], addrspace(5)
    %scratch1 = alloca [8192 x i32], addrspace(5)
    %scratchptr01 = bitcast [8192 x i32] addrspace(5)* %scratch0 to i32 addrspace(5)*
    store i32 1, i32 addrspace(5)* %scratchptr01
    %scratchptr12 = bitcast [8192 x i32] addrspace(5)* %scratch1 to i32 addrspace(5)*
    store i32 2, i32 addrspace(5)* %scratchptr12
    %cmp = icmp eq i32 %cond, 0
    br i1 %cmp, label %if, label %else, !structurizecfg.uniform !0, !amdgpu.uniform !0

  if:                                               ; preds = %entry
    %if_ptr = getelementptr [8192 x i32], [8192 x i32] addrspace(5)* %scratch0, i32 0, i32 %if_offset, !amdgpu.uniform !0
    %if_value = load atomic i32, i32 addrspace(5)* %if_ptr syncscope("workgroup") seq_cst, align 4
    br label %done, !structurizecfg.uniform !0

  else:                                             ; preds = %entry
    %else_ptr = getelementptr [8192 x i32], [8192 x i32] addrspace(5)* %scratch1, i32 0, i32 %else_offset, !amdgpu.uniform !0
    %else_value = load atomic i32, i32 addrspace(5)* %else_ptr syncscope("agent") unordered, align 4
    br label %done, !structurizecfg.uniform !0

  done:                                             ; preds = %else, %if
    %value = phi i32 [ %if_value, %if ], [ %else_value, %else ]
    store i32 %value, i32 addrspace(1)* %out
    ret void
  }

  ; Function Attrs: convergent nounwind
  declare { i1, i64 } @llvm.amdgcn.if(i1) #1

  ; Function Attrs: convergent nounwind
  declare { i1, i64 } @llvm.amdgcn.else(i64) #1

  ; Function Attrs: convergent nounwind readnone
  declare i64 @llvm.amdgcn.break(i64) #2

  ; Function Attrs: convergent nounwind readnone
  declare i64 @llvm.amdgcn.if.break(i1, i64) #2

  ; Function Attrs: convergent nounwind readnone
  declare i64 @llvm.amdgcn.else.break(i64, i64) #2

  ; Function Attrs: convergent nounwind
  declare i1 @llvm.amdgcn.loop(i64) #1

  ; Function Attrs: convergent nounwind
  declare void @llvm.amdgcn.end.cf(i64) #1

  attributes #0 = { "target-cpu"="gfx803" }
  attributes #1 = { convergent nounwind }
  attributes #2 = { convergent nounwind readnone }

  !0 = !{}

...
---

# CHECK-LABEL: name: multiple_mem_operands

# CHECK-LABEL: bb.3.done:
# CHECK:       S_WAITCNT 3952
# CHECK-NEXT:  BUFFER_LOAD_DWORD_OFFEN
# CHECK-NEXT:  S_WAITCNT 3952
# CHECK-NEXT:  BUFFER_WBINVL1_VOL

name:            multiple_mem_operands
alignment:       0
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
tracksRegLiveness: true
registers:
liveins:
  - { reg: '$sgpr0_sgpr1', virtual-reg: '' }
  - { reg: '$sgpr3', virtual-reg: '' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       65540
  offsetAdjustment: 0
  maxAlignment:    4
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  savePoint:       ''
  restorePoint:    ''
fixedStack:
  - { id: 0, type: default, offset: 0, size: 4, alignment: 4, stack-id: 0,
      isImmutable: false, isAliased: false, callee-saved-register: '' }
stack:
  - { id: 0, name: scratch0, type: default, offset: 4, size: 32768, alignment: 4,
      stack-id: 0, callee-saved-register: '', local-offset: 0, di-variable: '',
      di-expression: '', di-location: '' }
  - { id: 1, name: scratch1, type: default, offset: 32772, size: 32768,
      alignment: 4, stack-id: 0, callee-saved-register: '', local-offset: 32768,
      di-variable: '', di-expression: '', di-location: '' }
constants:
body:             |
  bb.0.entry:
    successors: %bb.1.if(0x30000000), %bb.2.else(0x50000000)
    liveins: $sgpr0_sgpr1, $sgpr3

    $sgpr2 = S_LOAD_DWORD_IMM $sgpr0_sgpr1, 44, 0 :: (non-temporal dereferenceable invariant load 4 from `i32 addrspace(2)* undef`)
    $sgpr8 = S_MOV_B32 &SCRATCH_RSRC_DWORD0, implicit-def $sgpr8_sgpr9_sgpr10_sgpr11
    $sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM $sgpr0_sgpr1, 36, 0 :: (non-temporal dereferenceable invariant load 8 from `i64 addrspace(2)* undef`)
    $sgpr9 = S_MOV_B32 &SCRATCH_RSRC_DWORD1, implicit-def $sgpr8_sgpr9_sgpr10_sgpr11
    $sgpr10 = S_MOV_B32 4294967295, implicit-def $sgpr8_sgpr9_sgpr10_sgpr11
    $sgpr11 = S_MOV_B32 15204352, implicit-def $sgpr8_sgpr9_sgpr10_sgpr11
    $vgpr0 = V_MOV_B32_e32 1, implicit $exec
    BUFFER_STORE_DWORD_OFFSET killed $vgpr0, $sgpr8_sgpr9_sgpr10_sgpr11, $sgpr3, 4, 0, 0, 0, implicit $exec :: (store 4 into %ir.scratchptr01)
    S_WAITCNT 127
    S_CMP_LG_U32 killed $sgpr2, 0, implicit-def $scc
    S_WAITCNT 3855
    $vgpr0 = V_MOV_B32_e32 2, implicit $exec
    $vgpr1 = V_MOV_B32_e32 32772, implicit $exec
    BUFFER_STORE_DWORD_OFFEN killed $vgpr0, killed $vgpr1, $sgpr8_sgpr9_sgpr10_sgpr11, $sgpr3, 0, 0, 0, 0, implicit $exec :: (store 4 into %ir.scratchptr12)
    S_CBRANCH_SCC0 %bb.1.if, implicit killed $scc

  bb.2.else:
    successors: %bb.3.done(0x80000000)
    liveins: $sgpr0_sgpr1, $sgpr4_sgpr5, $sgpr3, $sgpr8_sgpr9_sgpr10_sgpr11

    $sgpr0 = S_LOAD_DWORD_IMM killed $sgpr0_sgpr1, 52, 0 :: (non-temporal dereferenceable invariant load 4 from `i32 addrspace(2)* undef`)
    S_WAITCNT 3855
    $vgpr0 = V_MOV_B32_e32 32772, implicit $exec
    S_BRANCH %bb.3.done

  bb.1.if:
    successors: %bb.3.done(0x80000000)
    liveins: $sgpr0_sgpr1, $sgpr4_sgpr5, $sgpr3, $sgpr8_sgpr9_sgpr10_sgpr11

    $sgpr0 = S_LOAD_DWORD_IMM killed $sgpr0_sgpr1, 48, 0 :: (non-temporal dereferenceable invariant load 4 from `i32 addrspace(2)* undef`)
    S_WAITCNT 3855
    $vgpr0 = V_MOV_B32_e32 4, implicit $exec

  bb.3.done:
    liveins: $sgpr3, $sgpr4_sgpr5, $sgpr8_sgpr9_sgpr10_sgpr11, $vgpr0, $sgpr0

    S_WAITCNT 127
    $sgpr0 = S_LSHL_B32 killed $sgpr0, 2, implicit-def dead $scc
    $vgpr0 = V_ADD_I32_e32 killed $sgpr0, killed $vgpr0, implicit-def dead $vcc, implicit $exec
    $vgpr0 = BUFFER_LOAD_DWORD_OFFEN killed $vgpr0, killed $sgpr8_sgpr9_sgpr10_sgpr11, $sgpr3, 0, 0, 0, 0, implicit $exec :: (load syncscope("agent") unordered 4 from %ir.else_ptr), (load syncscope("workgroup") seq_cst 4 from %ir.if_ptr)
    $vgpr1 = V_MOV_B32_e32 $sgpr4, implicit $exec, implicit-def $vgpr1_vgpr2, implicit $sgpr4_sgpr5
    $vgpr2 = V_MOV_B32_e32 killed $sgpr5, implicit $exec, implicit $sgpr4_sgpr5, implicit $exec
    S_WAITCNT 3952
    FLAT_STORE_DWORD killed $vgpr1_vgpr2, killed $vgpr0, 0, 0, 0, implicit $exec, implicit $flat_scr :: (store 4 into %ir.out)
    S_ENDPGM

...