; LLVM IR from moarseniy/CudaFEMproject :: FEMproject/fem_utils/src/cpu_fem_utils.ll (ZN16CPU_ElementsData10getLocalIdEmm)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.ElementsData = type { ptr, i64, i64, i64, i64, i64, i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, %struct.CGMData, ptr, ptr, ptr }
%struct.CGMData = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.10 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [14 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

declare noundef nonnull align 4 dereferenceable(4) ptr @_ZN6MatrixclEmm(ptr noundef nonnull align 8 dereferenceable(49), i64 noundef, i64 noundef) #1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN16CPU_ElementsData10getLocalIdEmm(ptr noundef nonnull align 8 dereferenceable(336) %0, i64 noundef %1, i64 noundef %2) #3 align 2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store i64 %2, ptr %7, align 8, !tbaa !9
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %32, %3
  %12 = load i64, ptr %8, align 8, !tbaa !9
  %13 = getelementptr inbounds %class.ElementsData, ptr %10, i32 0, i32 1
  %14 = load i64, ptr %13, align 8, !tbaa !11
  %15 = add i64 %14, 1
  %16 = icmp ult i64 %12, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %11
  store i32 2, ptr %9, align 4
  br label %35

18:                                               ; preds = %11
  %19 = getelementptr inbounds %class.ElementsData, ptr %10, i32 0, i32 7
  %20 = load ptr, ptr %19, align 8, !tbaa !15
  %21 = load i64, ptr %6, align 8, !tbaa !9
  %22 = load i64, ptr %8, align 8, !tbaa !9
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN6MatrixclEmm(ptr noundef nonnull align 8 dereferenceable(49) %20, i64 noundef %21, i64 noundef %22)
  %24 = load float, ptr %23, align 4, !tbaa !16
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = uitofp i64 %25 to float
  %27 = fcmp oeq float %24, %26
  br i1 %27, label %28, label %31

28:                                               ; preds = %18
  %29 = load i64, ptr %8, align 8, !tbaa !9
  %30 = trunc i64 %29 to i32
  store i32 %30, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %35

31:                                               ; preds = %18
  br label %32

32:                                               ; preds = %31
  %33 = load i64, ptr %8, align 8, !tbaa !9
  %34 = add i64 %33, 1
  store i64 %34, ptr %8, align 8, !tbaa !9
  br label %11, !llvm.loop !18

35:                                               ; preds = %28, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %36 = load i32, ptr %9, align 4
  switch i32 %36, label %44 [
    i32 2, label %37
    i32 1, label %42
  ]

37:                                               ; preds = %35
  %38 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.14)
  %39 = load i64, ptr %7, align 8, !tbaa !9
  %40 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %38, i64 noundef %39)
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %40, ptr noundef @.str.10)
  store i32 -1, ptr %4, align 4
  br label %42

42:                                               ; preds = %37, %35
  %43 = load i32, ptr %4, align 4
  ret i32 %43

44:                                               ; preds = %35
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"_ZTS12ElementsData", !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !13, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !6, i64 104, !6, i64 112, !6, i64 120, !6, i64 128, !6, i64 136, !6, i64 144, !6, i64 152, !6, i64 160, !6, i64 168, !6, i64 176, !6, i64 184, !6, i64 192, !6, i64 200, !6, i64 208, !6, i64 216, !6, i64 224, !6, i64 232, !6, i64 240, !6, i64 248, !14, i64 256, !6, i64 312, !6, i64 320, !6, i64 328}
!13 = !{!"_ZTS11DEVICE_NAME", !7, i64 0}
!14 = !{!"_ZTS7CGMData", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}
!15 = !{!12, !6, i64 56}
!16 = !{!17, !17, i64 0}
!17 = !{!"float", !7, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str.10 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [14 x i8], align 1

declare noundef nonnull align 4 dereferenceable(4) ptr @_ZN6MatrixclEmm(ptr noundef nonnull align 8 dereferenceable(49), i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN16CPU_ElementsData10getLocalIdEmm(ptr nocapture noundef nonnull readonly align 8 dereferenceable(336) %0, i64 noundef %1, i64 noundef %2) local_unnamed_addr #2 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i64, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i64 %5, -1
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3
  %6 = getelementptr inbounds i8, ptr %0, i64 56
  %7 = uitofp i64 %2 to float
  br label %8

8:                                                ; preds = %.lr.ph, %13
  %.0916 = phi i64 [ 0, %.lr.ph ], [ %14, %13 ]
  %9 = load ptr, ptr %6, align 8, !tbaa !13
  %10 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZN6MatrixclEmm(ptr noundef nonnull align 8 dereferenceable(49) %9, i64 noundef %1, i64 noundef %.0916)
  %11 = load float, ptr %10, align 4, !tbaa !14
  %12 = fcmp oeq float %11, %7
  br i1 %12, label %18, label %13

13:                                               ; preds = %8
  %14 = add nuw i64 %.0916, 1
  %15 = load i64, ptr %4, align 8, !tbaa !5
  %16 = add i64 %15, 1
  %17 = icmp ult i64 %14, %16
  br i1 %17, label %8, label %._crit_edge, !llvm.loop !16

18:                                               ; preds = %8
  %19 = trunc i64 %.0916 to i32
  br label %23

._crit_edge:                                      ; preds = %13, %3
  %20 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.14)
  %21 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %20, i64 noundef %2)
  %22 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull @.str.10)
  br label %23

23:                                               ; preds = %18, %._crit_edge
  %.1 = phi i32 [ %19, %18 ], [ -1, %._crit_edge ]
  ret i32 %.1
}

attributes #0 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !7, i64 8}
!6 = !{!"_ZTS12ElementsData", !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !10, i64 48, !11, i64 56, !11, i64 64, !11, i64 72, !11, i64 80, !11, i64 88, !11, i64 96, !11, i64 104, !11, i64 112, !11, i64 120, !11, i64 128, !11, i64 136, !11, i64 144, !11, i64 152, !11, i64 160, !11, i64 168, !11, i64 176, !11, i64 184, !11, i64 192, !11, i64 200, !11, i64 208, !11, i64 216, !11, i64 224, !11, i64 232, !11, i64 240, !11, i64 248, !12, i64 256, !11, i64 312, !11, i64 320, !11, i64 328}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTS11DEVICE_NAME", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"_ZTS7CGMData", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !11, i64 48}
!13 = !{!6, !11, i64 56}
!14 = !{!15, !15, i64 0}
!15 = !{!"float", !8, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass