mve-vpt-block-fold-vcmp.mir 8.56 KB
# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -run-pass arm-mve-vpt %s -o - | FileCheck %s

--- |
  target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
  target triple = "thumbv8.1m.main-arm-unknown-eabihf"
  define dso_local <4 x i32> @foo(<4 x i32>* %src, <4 x i32>* %src2, <4 x i32>* %src3, <4 x i32>* %dest, <4 x i32>* %dest2, <4 x i32>* %dest3, <4 x float> %a1) local_unnamed_addr #0 {
  entry:
    %c = fcmp one <4 x float> %a1, zeroinitializer
    %w = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %src, i32 4, <4 x i1> %c, <4 x i32> undef)
    tail call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %w, <4 x i32>* %dest, i32 4, <4 x i1> %c)
    %w2 = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %src2, i32 4, <4 x i1> %c, <4 x i32> undef)
    tail call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %w2, <4 x i32>* %dest2, i32 4, <4 x i1> %c)
    %w3 = call <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>* %src3, i32 4, <4 x i1> %c, <4 x i32> undef)
    tail call void @llvm.masked.store.v4i32.p0v4i32(<4 x i32> %w3, <4 x i32>* %dest3, i32 4, <4 x i1> %c)
    ret <4 x i32> %w3
  }
  declare <4 x i32> @llvm.masked.load.v4i32.p0v4i32(<4 x i32>*, i32 immarg, <4 x i1>, <4 x i32>) #2
  declare void @llvm.masked.store.v4i32.p0v4i32(<4 x i32>, <4 x i32>*, i32 immarg, <4 x i1>) #3

  attributes #0 = { nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="128" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="generic" "target-features"="+armv8.1-m.main,+fp-armv8d16sp,+fp16,+fpregs,+fullfp16,+hwdiv,+lob,+mve.fp,+ras,+strict-align,+thumb-mode,+vfp2sp,+vfp3d16sp,+vfp4d16sp" "unsafe-fp-math"="false" "use-soft-float"="false" }
  attributes #1 = { nounwind readnone }
  attributes #2 = { argmemonly nounwind readonly willreturn }
  attributes #3 = { argmemonly nounwind willreturn }
  attributes #4 = { noduplicate nounwind }
  attributes #5 = { nounwind }

  !llvm.module.flags = !{!0, !1}
  !llvm.ident = !{!2}

  !0 = !{i32 1, !"wchar_size", i32 4}
  !1 = !{i32 1, !"min_enum_size", i32 4}
  !2 = !{!"clang version 10.0.0 (http://github.com/llvm/llvm-project 90450197deaf91160a22825e6746d998aad05704)"}

...
---
name:            foo
alignment:       2
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:       []
liveins:
  - { reg: '$r0', virtual-reg: '' }
  - { reg: '$r1', virtual-reg: '' }
  - { reg: '$r2', virtual-reg: '' }
  - { reg: '$q0', virtual-reg: '' }
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       8
  offsetAdjustment: 0
  maxAlignment:    4
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 0
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:
  - { id: 0, type: default, offset: 12, size: 4, alignment: 4, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, type: default, offset: 8, size: 4, alignment: 8, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 2, type: default, offset: 4, size: 4, alignment: 4, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 3, type: default, offset: 0, size: 4, alignment: 8, stack-id: default,
      isImmutable: true, isAliased: false, callee-saved-register: '', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
stack:
  - { id: 0, name: '', type: spill-slot, offset: -4, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$lr', callee-saved-restored: false,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
  - { id: 1, name: '', type: spill-slot, offset: -8, size: 4, alignment: 4,
      stack-id: default, callee-saved-register: '$r7', callee-saved-restored: true,
      debug-info-variable: '', debug-info-expression: '', debug-info-location: '' }
callSites:       []
constants:       []
machineFunctionInfo: {}
body:             |
  bb.0.entry:
    liveins: $q0, $r0, $r1, $r2, $lr


    ; CHECK-LABEL: name: foo
    ; CHECK: liveins: $q0, $r0, $r1, $r2, $lr
    ; CHECK: $sp = frame-setup t2STMDB_UPD $sp, 14 /* CC::al */, $noreg, killed $r7, killed $lr
    ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_offset 8
    ; CHECK: frame-setup CFI_INSTRUCTION offset $lr, -4
    ; CHECK: frame-setup CFI_INSTRUCTION offset $r7, -8
    ; CHECK: $r7 = frame-setup tMOVr killed $sp, 14 /* CC::al */, $noreg
    ; CHECK: frame-setup CFI_INSTRUCTION def_cfa_register $r7
    ; CHECK: renamable $r12 = t2LDRi12 $r7, 16, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.2)
    ; CHECK: renamable $lr = t2LDRi12 $r7, 12, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.1)
    ; CHECK: renamable $r3 = t2LDRi12 $r7, 8, 14 /* CC::al */, $noreg :: (load 4 from %fixed-stack.0)
    ; CHECK: BUNDLE implicit-def $vpr, implicit-def dead $q0, implicit-def $d0, implicit-def $s0, implicit-def $s1, implicit-def $d1, implicit-def $s2, implicit-def $s3, implicit $q0, implicit $zr, implicit killed $r0, implicit killed $r3, implicit killed $r1, implicit killed $lr {
    ; CHECK:   MVE_VPTv4f32r 1, renamable $q0, $zr, 10, implicit-def $vpr
    ; CHECK:   renamable $q0 = MVE_VLDRWU32 killed renamable $r0, 0, 1, internal renamable $vpr :: (load 16 from %ir.src, align 4)
    ; CHECK:   MVE_VSTRWU32 internal killed renamable $q0, killed renamable $r3, 0, 1, internal renamable $vpr :: (store 16 into %ir.dest, align 4)
    ; CHECK:   renamable $q0 = MVE_VLDRWU32 killed renamable $r1, 0, 1, internal renamable $vpr :: (load 16 from %ir.src2, align 4)
    ; CHECK:   MVE_VSTRWU32 internal killed renamable $q0, killed renamable $lr, 0, 1, internal renamable $vpr :: (store 16 into %ir.dest2, align 4)
    ; CHECK: }
    ; CHECK: BUNDLE implicit-def $q0, implicit-def $d0, implicit-def $s0, implicit-def $s1, implicit-def $d1, implicit-def $s2, implicit-def $s3, implicit killed $vpr, implicit killed $r2, implicit killed $r12 {
    ; CHECK:   MVE_VPST 4, implicit $vpr
    ; CHECK:   renamable $q0 = MVE_VLDRWU32 killed renamable $r2, 0, 1, renamable $vpr :: (load 16 from %ir.src3, align 4)
    ; CHECK:   MVE_VSTRWU32 internal renamable $q0, killed renamable $r12, 0, 1, killed renamable $vpr :: (store 16 into %ir.dest3, align 4)
    ; CHECK: }
    ; CHECK: $sp = t2LDMIA_RET $sp, 14 /* CC::al */, $noreg, def $r7, def $pc, implicit $q0
    $sp = frame-setup t2STMDB_UPD $sp, 14, $noreg, killed $r7, killed $lr
    frame-setup CFI_INSTRUCTION def_cfa_offset 8
    frame-setup CFI_INSTRUCTION offset $lr, -4
    frame-setup CFI_INSTRUCTION offset $r7, -8
    $r7 = frame-setup tMOVr killed $sp, 14, $noreg
    frame-setup CFI_INSTRUCTION def_cfa_register $r7
    renamable $r12 = t2LDRi12 $r7, 16, 14, $noreg :: (load 4 from %fixed-stack.1)
    renamable $lr = t2LDRi12 $r7, 12, 14, $noreg :: (load 4 from %fixed-stack.2)
    renamable $r3 = t2LDRi12 $r7, 8, 14, $noreg :: (load 4 from %fixed-stack.3)
    renamable $vpr = MVE_VCMPf32r renamable $q0, $zr, 10, 0, $noreg
    renamable $q0 = MVE_VLDRWU32 killed renamable $r0, 0, 1, renamable $vpr :: (load 16 from %ir.src, align 4)
    MVE_VSTRWU32 killed renamable $q0, killed renamable $r3, 0, 1, renamable $vpr :: (store 16 into %ir.dest, align 4)
    renamable $q0 = MVE_VLDRWU32 killed renamable $r1, 0, 1, renamable $vpr :: (load 16 from %ir.src2, align 4)
    MVE_VSTRWU32 killed renamable $q0, killed renamable $lr, 0, 1, renamable $vpr :: (store 16 into %ir.dest2, align 4)
    renamable $q0 = MVE_VLDRWU32 killed renamable $r2, 0, 1, renamable $vpr :: (load 16 from %ir.src3, align 4)
    MVE_VSTRWU32 renamable $q0, killed renamable $r12, 0, 1, killed renamable $vpr :: (store 16 into %ir.dest3, align 4)
    $sp = t2LDMIA_RET $sp, 14, $noreg, def $r7, def $pc, implicit $q0

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