; LLVM IR from clunietp/libgmsd :: src (matrix)

; 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"

%struct.Matrix = type { i64, i64, ptr, ptr, i64 }

; 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: nounwind uwtable
declare dso_local zeroext i1 @matrix_reset(ptr noundef, i64 noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_destroy(ptr noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_crow(ptr noundef, i64 noundef) #2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_row(ptr noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_swap(ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @matrix_crop(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3, i64 noundef %4, i64 noundef %5) #1 {
  %7 = alloca i1, align 1
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca ptr, align 8
  %17 = alloca ptr, align 8
  %18 = alloca %struct.Matrix, align 8
  %19 = alloca i32, align 4
  store ptr %0, ptr %8, align 8, !tbaa !5
  store ptr %1, ptr %9, align 8, !tbaa !5
  store i64 %2, ptr %10, align 8, !tbaa !9
  store i64 %3, ptr %11, align 8, !tbaa !9
  store i64 %4, ptr %12, align 8, !tbaa !9
  store i64 %5, ptr %13, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.start.p0(i64 40, ptr %18) #5
  call void @llvm.memset.p0.i64(ptr align 8 %18, i8 0, i64 40, i1 false)
  %20 = load i64, ptr %10, align 8, !tbaa !9
  %21 = load i64, ptr %11, align 8, !tbaa !9
  %22 = call zeroext i1 @matrix_reset(ptr noundef %18, i64 noundef %20, i64 noundef %21)
  br i1 %22, label %24, label %23

23:                                               ; preds = %6
  store i1 false, ptr %7, align 1
  store i32 1, ptr %19, align 4
  br label %49

24:                                               ; preds = %6
  store i64 0, ptr %15, align 8, !tbaa !9
  %25 = load i64, ptr %13, align 8, !tbaa !9
  store i64 %25, ptr %14, align 8, !tbaa !9
  br label %26

26:                                               ; preds = %42, %24
  %27 = load i64, ptr %15, align 8, !tbaa !9
  %28 = load i64, ptr %10, align 8, !tbaa !9
  %29 = icmp ult i64 %27, %28
  br i1 %29, label %30, label %47

30:                                               ; preds = %26
  %31 = load ptr, ptr %9, align 8, !tbaa !5
  %32 = load i64, ptr %14, align 8, !tbaa !9
  %33 = call ptr @matrix_crow(ptr noundef %31, i64 noundef %32)
  %34 = load i64, ptr %12, align 8, !tbaa !9
  %35 = getelementptr inbounds float, ptr %33, i64 %34
  store ptr %35, ptr %16, align 8, !tbaa !5
  %36 = load i64, ptr %15, align 8, !tbaa !9
  %37 = call ptr @matrix_row(ptr noundef %18, i64 noundef %36)
  store ptr %37, ptr %17, align 8, !tbaa !5
  %38 = load ptr, ptr %17, align 8, !tbaa !5
  %39 = load ptr, ptr %16, align 8, !tbaa !5
  %40 = load i64, ptr %11, align 8, !tbaa !9
  %41 = mul i64 %40, 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %38, ptr align 4 %39, i64 %41, i1 false)
  br label %42

42:                                               ; preds = %30
  %43 = load i64, ptr %14, align 8, !tbaa !9
  %44 = add i64 %43, 1
  store i64 %44, ptr %14, align 8, !tbaa !9
  %45 = load i64, ptr %15, align 8, !tbaa !9
  %46 = add i64 %45, 1
  store i64 %46, ptr %15, align 8, !tbaa !9
  br label %26, !llvm.loop !11

47:                                               ; preds = %26
  %48 = load ptr, ptr %8, align 8, !tbaa !5
  call void @matrix_swap(ptr noundef %18, ptr noundef %48)
  call void @matrix_destroy(ptr noundef %18)
  store i1 true, ptr %7, align 1
  store i32 1, ptr %19, align 4
  br label %49

49:                                               ; preds = %47, %23
  call void @llvm.lifetime.end.p0(i64 40, ptr %18) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  %50 = load i1, ptr %7, align 1
  ret i1 %50
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !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"

%struct.Matrix = type { i64, i64, ptr, ptr, i64 }

; 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: nounwind uwtable
declare dso_local zeroext i1 @matrix_reset(ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_destroy(ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_crow(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #3

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #4

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_row(ptr noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_swap(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @matrix_crop(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3, i64 noundef %4, i64 noundef %5) local_unnamed_addr #1 {
  %7 = alloca %struct.Matrix, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %7) #5
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %7, i8 0, i64 40, i1 false)
  %8 = call zeroext i1 @matrix_reset(ptr noundef nonnull %7, i64 noundef %2, i64 noundef %3)
  br i1 %8, label %.preheader, label %16

.preheader:                                       ; preds = %6
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %9 = shl i64 %3, 2
  br label %10

10:                                               ; preds = %.lr.ph, %10
  %.01518 = phi i64 [ %5, %.lr.ph ], [ %14, %10 ]
  %.01617 = phi i64 [ 0, %.lr.ph ], [ %15, %10 ]
  %11 = call ptr @matrix_crow(ptr noundef %1, i64 noundef %.01518)
  %12 = getelementptr inbounds float, ptr %11, i64 %4
  %13 = call ptr @matrix_row(ptr noundef nonnull %7, i64 noundef %.01617)
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %13, ptr align 4 %12, i64 %9, i1 false)
  %14 = add i64 %.01518, 1
  %15 = add nuw i64 %.01617, 1
  %exitcond.not = icmp eq i64 %15, %2
  br i1 %exitcond.not, label %._crit_edge, label %10, !llvm.loop !5

._crit_edge:                                      ; preds = %10, %.preheader
  call void @matrix_swap(ptr noundef nonnull %7, ptr noundef %0)
  call void @matrix_destroy(ptr noundef nonnull %7)
  br label %16

16:                                               ; preds = %6, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %7) #5
  ret i1 %8
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { inlinehint 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 #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #5 = { 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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass