; LLVM IR from ardiloot/NonlinearTMM :: NonlinearTMM/src/eigen-3.4.0/test/sparse_block.ll (Z17test_sparse_blockv)

; 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"

@_ZN5EigenL8g_repeatE = external hidden global i32, align 4
@_ZN14AnnoyingScalar10dont_throwE = external dso_local global 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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z17test_sparse_blockv() #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #4
  store i32 0, ptr %1, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %40, %0
  %18 = load i32, ptr %1, align 4, !tbaa !5
  %19 = load i32, ptr @_ZN5EigenL8g_repeatE, align 4, !tbaa !5
  %20 = icmp slt i32 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #4
  br label %43

22:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 200, ptr %4, align 4, !tbaa !5
  %23 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  store i32 %23, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 1, ptr %6, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 200, ptr %7, align 4, !tbaa !5
  %24 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  store i32 %24, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 4, ptr %9, align 4, !tbaa !5
  %25 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
  %26 = icmp eq i32 %25, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br i1 %26, label %27, label %29

27:                                               ; preds = %22
  %28 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %28, ptr %2, align 4, !tbaa !5
  br label %29

29:                                               ; preds = %27, %22
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %30 = load i32, ptr %2, align 4, !tbaa !5
  %31 = load i32, ptr %5, align 4, !tbaa !5
  %32 = add nsw i32 %30, %31
  store i32 %32, ptr %10, align 4, !tbaa !5
  call void @_ZN5Eigen8internal22ignore_unused_variableIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %10)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  store i32 1, ptr %11, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  store i32 100, ptr %12, align 4, !tbaa !5
  %33 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %12)
  store i32 %33, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #4
  store i32 1, ptr %13, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #4
  store i32 100, ptr %14, align 4, !tbaa !5
  %34 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %13, ptr noundef nonnull align 4 dereferenceable(4) %14)
  store i32 %34, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #4
  store i32 0, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #4
  store i32 4, ptr %16, align 4, !tbaa !5
  %35 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %15, ptr noundef nonnull align 4 dereferenceable(4) %16)
  %36 = icmp eq i32 %35, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #4
  br i1 %36, label %37, label %39

37:                                               ; preds = %29
  %38 = load i32, ptr %5, align 4, !tbaa !5
  store i32 %38, ptr %2, align 4, !tbaa !5
  br label %39

39:                                               ; preds = %37, %29
  store i8 1, ptr @_ZN14AnnoyingScalar10dont_throwE, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %40

40:                                               ; preds = %39
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %1, align 4, !tbaa !5
  br label %17, !llvm.loop !11

43:                                               ; preds = %21
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5Eigen8internal22ignore_unused_variableIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4)) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = { inlinehint mustprogress nounwind 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

@_ZN5EigenL8g_repeatE = external hidden local_unnamed_addr global i32, align 4
@_ZN14AnnoyingScalar10dont_throwE = external dso_local local_unnamed_addr global i8, align 1

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

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

; Function Attrs: mustprogress uwtable
define dso_local void @_Z17test_sparse_blockv() local_unnamed_addr #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = load i32, ptr @_ZN5EigenL8g_repeatE, align 4, !tbaa !5
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  ret void

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.067 = phi i32 [ %24, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  store i32 1, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  store i32 200, ptr %2, align 4, !tbaa !5
  %16 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %1, ptr noundef nonnull align 4 dereferenceable(4) %2)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  store i32 1, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  store i32 200, ptr %4, align 4, !tbaa !5
  %17 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %3, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  store i32 0, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  store i32 4, ptr %6, align 4, !tbaa !5
  %18 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %19 = icmp eq i32 %18, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  %spec.select = select i1 %19, i32 %17, i32 %16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  %20 = add nsw i32 %spec.select, %17
  store i32 %20, ptr %7, align 4, !tbaa !5
  call void @_ZN5Eigen8internal22ignore_unused_variableIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4) %7)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #4
  store i32 1, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #4
  store i32 100, ptr %9, align 4, !tbaa !5
  %21 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #4
  store i32 1, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #4
  store i32 100, ptr %11, align 4, !tbaa !5
  %22 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %11)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #4
  store i32 0, ptr %12, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #4
  store i32 4, ptr %13, align 4, !tbaa !5
  %23 = call noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #4
  store i8 1, ptr @_ZN14AnnoyingScalar10dont_throwE, align 1, !tbaa !9
  %24 = add nuw nsw i32 %.067, 1
  %25 = load i32, ptr @_ZN5EigenL8g_repeatE, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i32 @_ZN5Eigen8internal6randomIiEENS0_13random_retvalINS0_36global_math_functions_filtering_baseIT_vE4typeEE4typeERKS4_SA_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5Eigen8internal22ignore_unused_variableIiEEvRKT_(ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = { inlinehint mustprogress nounwind 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass