llvm/test/CodeGen/X86/unfoldMemoryOperand.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=x86_64-- -run-pass machinelicm -mcpu=skx -verify-machineinstrs -o - %s | FileCheck %s
--- |
  @x = dso_local global i32 0, align 4
  @z = dso_local local_unnamed_addr global [1024 x i32] zeroinitializer, align 16
  @y = dso_local local_unnamed_addr constant i32* null, align 8

  ; Function Attrs: nofree norecurse nosync nounwind uwtable writeonly mustprogress
  define dso_local void @_Z3foov() local_unnamed_addr #0 {
    %1 = load i32*, i32** @y, align 8, !tbaa !3
    %2 = icmp eq i32* %1, @x
    %3 = zext i1 %2 to i32
    br label %5
  4:                                                ; preds = %5
    ret void
  5:                                                ; preds = %5, %0
    %lsr.iv = phi i64 [ %lsr.iv.next, %5 ], [ -4096, %0 ]
    %uglygep = getelementptr i8, i8* bitcast ([1024 x i32]* @z to i8*), i64 %lsr.iv
    %uglygep2 = bitcast i8* %uglygep to i32*
    %scevgep = getelementptr i32, i32* %uglygep2, i64 1024
    store i32 %3, i32* %scevgep, align 4, !tbaa !7
    %lsr.iv.next = add nsw i64 %lsr.iv, 4
    %6 = icmp eq i64 %lsr.iv.next, 0
    br i1 %6, label %4, label %5, !llvm.loop !9
  }

  attributes #0 = { nofree norecurse nosync nounwind uwtable writeonly mustprogress "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+x87,-aes,-avx,-avx2,-avx512bf16,-avx512bitalg,-avx512bw,-avx512cd,-avx512dq,-avx512er,-avx512f,-avx512ifma,-avx512pf,-avx512vbmi,-avx512vbmi2,-avx512vl,-avx512vnni,-avx512vp2intersect,-avx512vpopcntdq,-avxvnni,-f16c,-fma,-fma4,-gfni,-kl,-pclmul,-sha,-sse,-sse2,-sse3,-sse4.1,-sse4.2,-sse4a,-ssse3,-vaes,-vpclmulqdq,-widekl,-xop" "tune-cpu"="generic" }

  !llvm.module.flags = !{!0, !1}
  !llvm.ident = !{!2}
  !0 = !{i32 1, !"wchar_size", i32 4}
  !1 = !{i32 7, !"uwtable", i32 1}
  !2 = !{!"clang version 13.0.0 (https://github.com/llvm/llvm-project.git c42dd5dbb015afaef99cf876195c474c63c2393e)"}
  !3 = !{!4, !4, i64 0}
  !4 = !{!"any pointer", !5, i64 0}
  !5 = !{!"omnipotent char", !6, i64 0}
  !6 = !{!"Simple C++ TBAA"}
  !7 = !{!8, !8, i64 0}
  !8 = !{!"int", !5, i64 0}
  !9 = distinct !{!9, !10, !11}
  !10 = !{!"llvm.loop.mustprogress"}
  !11 = !{!"llvm.loop.unroll.disable"}

...
---
name:            _Z3foov
alignment:       16
exposesReturnsTwice: false
legalized:       false
regBankSelected: false
selected:        false
failedISel:      false
tracksRegLiveness: true
hasWinCFI:       false
registers:       []
liveins:         []
frameInfo:
  isFrameAddressTaken: false
  isReturnAddressTaken: false
  hasStackMap:     false
  hasPatchPoint:   false
  stackSize:       0
  offsetAdjustment: 0
  maxAlignment:    1
  adjustsStack:    false
  hasCalls:        false
  stackProtector:  ''
  maxCallFrameSize: 4294967295
  cvBytesOfCalleeSavedRegisters: 0
  hasOpaqueSPAdjustment: false
  hasVAStart:      false
  hasMustTailInVarArgFunc: false
  hasTailCall:     false
  localFrameSize:  0
  savePoint:       ''
  restorePoint:    ''
fixedStack:      []
stack:           []
callSites:       []
debugValueSubstitutions: []
constants:       []
machineFunctionInfo: {}
body:             |
  ; CHECK-LABEL: name: _Z3foov
  ; CHECK: bb.0 (%ir-block.0):
  ; CHECK:   successors: %bb.2(0x80000000)
  ; CHECK:   renamable $eax = MOV32r0 implicit-def dead $eflags
  ; CHECK:   renamable $rcx = MOV64ri32 -4096
  ; CHECK:   [[MOV64ri32_:%[0-9]+]]:gr64 = MOV64ri32 -4096
  ; CHECK:   [[MOV64rm:%[0-9]+]]:gr64 = MOV64rm $rip, 1, $noreg, @y, $noreg :: (dereferenceable load (s64) from @y, !tbaa !3)
  ; CHECK:   JMP_1 %bb.2
  ; CHECK: bb.1 (%ir-block.4):
  ; CHECK:   RET 0
  ; CHECK: bb.2 (%ir-block.5):
  ; CHECK:   successors: %bb.1(0x04000000), %bb.2(0x7c000000)
  ; CHECK:   liveins: $eax, $rcx
  ; CHECK:   CMP64ri32 [[MOV64rm]], @x, implicit-def $eflags
  ; CHECK:   renamable $al = SETCCr 4, implicit killed $eflags, implicit killed $eax, implicit-def $eax
  ; CHECK:   MOV32mr renamable $rcx, 1, $noreg, @z + 4096, $noreg, renamable $eax :: (store (s32) into %ir.scevgep, !tbaa !7)
  ; CHECK:   renamable $rcx = ADD64ri8 killed renamable $rcx, 4, implicit-def $eflags
  ; CHECK:   JCC_1 %bb.1, 4, implicit killed $eflags
  ; CHECK:   JMP_1 %bb.2
  bb.0 (%ir-block.0):
    successors: %bb.2(0x80000000)
    renamable $eax = MOV32r0 implicit-def dead $eflags
    renamable $rcx = MOV64ri32 -4096
    JMP_1 %bb.2
  bb.1 (%ir-block.4):
    RET 0
  bb.2 (%ir-block.5):
    successors: %bb.1(0x04000000), %bb.2(0x7c000000)
    liveins: $eax, $rcx
    %2:gr64 = MOV64ri32 -4096
    CMP64mi32 $rip, 1, $noreg, @y, $noreg, @x, implicit-def $eflags :: (dereferenceable load (s64) from @y, !tbaa !3)
    renamable $al = SETCCr 4, implicit killed $eflags, implicit killed $eax, implicit-def $eax
    MOV32mr renamable $rcx, 1, $noreg, @z + 4096, $noreg, renamable $eax :: (store (s32) into %ir.scevgep, !tbaa !7)
    renamable $rcx = ADD64ri8 killed renamable $rcx, 4, implicit-def $eflags
    JCC_1 %bb.1, 4, implicit killed $eflags
    JMP_1 %bb.2

...