; 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: inlinehint nounwind uwtable
declare hidden i64 @matrix_cols(ptr noundef) #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @matrix_rows(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @matrix_reset(ptr noundef, i64 noundef, i64 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_destroy(ptr noundef) #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_crow(ptr noundef, i64 noundef) #1

; 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: nounwind uwtable
define dso_local zeroext i1 @matrix_pad(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3) #2 {
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca ptr, align 8
  %12 = alloca ptr, align 8
  %13 = alloca %struct.Matrix, align 8
  %14 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i64 %2, ptr %8, align 8, !tbaa !9
  store i64 %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  store i64 0, ptr %10, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.start.p0(i64 40, ptr %13) #5
  call void @llvm.memset.p0.i64(ptr align 8 %13, i8 0, i64 40, i1 false)
  %15 = load ptr, ptr %7, align 8, !tbaa !5
  %16 = call i64 @matrix_rows(ptr noundef %15)
  %17 = load i64, ptr %9, align 8, !tbaa !9
  %18 = mul i64 %17, 2
  %19 = add i64 %16, %18
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = call i64 @matrix_cols(ptr noundef %20)
  %22 = load i64, ptr %8, align 8, !tbaa !9
  %23 = mul i64 %22, 2
  %24 = add i64 %21, %23
  %25 = call zeroext i1 @matrix_reset(ptr noundef %13, i64 noundef %19, i64 noundef %24)
  br i1 %25, label %27, label %26

26:                                               ; preds = %4
  store i1 false, ptr %5, align 1
  store i32 1, ptr %14, align 4
  br label %53

27:                                               ; preds = %4
  store i64 0, ptr %10, align 8, !tbaa !9
  br label %28

28:                                               ; preds = %48, %27
  %29 = load i64, ptr %10, align 8, !tbaa !9
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = call i64 @matrix_rows(ptr noundef %30)
  %32 = icmp ult i64 %29, %31
  br i1 %32, label %33, label %51

33:                                               ; preds = %28
  %34 = load ptr, ptr %7, align 8, !tbaa !5
  %35 = load i64, ptr %10, align 8, !tbaa !9
  %36 = call ptr @matrix_crow(ptr noundef %34, i64 noundef %35)
  store ptr %36, ptr %11, align 8, !tbaa !5
  %37 = load i64, ptr %10, align 8, !tbaa !9
  %38 = load i64, ptr %9, align 8, !tbaa !9
  %39 = add i64 %37, %38
  %40 = call ptr @matrix_row(ptr noundef %13, i64 noundef %39)
  %41 = load i64, ptr %8, align 8, !tbaa !9
  %42 = getelementptr inbounds float, ptr %40, i64 %41
  store ptr %42, ptr %12, align 8, !tbaa !5
  %43 = load ptr, ptr %12, align 8, !tbaa !5
  %44 = load ptr, ptr %11, align 8, !tbaa !5
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = call i64 @matrix_cols(ptr noundef %45)
  %47 = mul i64 %46, 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %43, ptr align 4 %44, i64 %47, i1 false)
  br label %48

48:                                               ; preds = %33
  %49 = load i64, ptr %10, align 8, !tbaa !9
  %50 = add i64 %49, 1
  store i64 %50, ptr %10, align 8, !tbaa !9
  br label %28, !llvm.loop !11

51:                                               ; preds = %28
  %52 = load ptr, ptr %6, align 8, !tbaa !5
  call void @matrix_swap(ptr noundef %13, ptr noundef %52)
  call void @matrix_destroy(ptr noundef %13)
  store i1 true, ptr %5, align 1
  store i32 1, ptr %14, align 4
  br label %53

53:                                               ; preds = %51, %26
  call void @llvm.lifetime.end.p0(i64 40, ptr %13) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  %54 = load i1, ptr %5, align 1
  ret i1 %54
}

; 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) #1

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_swap(ptr noundef, ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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: inlinehint nounwind uwtable
declare hidden i64 @matrix_cols(ptr noundef) local_unnamed_addr #1

; Function Attrs: inlinehint nounwind uwtable
declare hidden i64 @matrix_rows(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local zeroext i1 @matrix_reset(ptr noundef, i64 noundef, i64 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_destroy(ptr noundef) local_unnamed_addr #2

; Function Attrs: inlinehint nounwind uwtable
declare hidden ptr @matrix_crow(ptr noundef, i64 noundef) local_unnamed_addr #1

; 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: nounwind uwtable
define dso_local noundef zeroext i1 @matrix_pad(ptr noundef %0, ptr noundef %1, i64 noundef %2, i64 noundef %3) local_unnamed_addr #2 {
  %5 = alloca %struct.Matrix, align 8
  call void @llvm.lifetime.start.p0(i64 40, ptr nonnull %5) #5
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(40) %5, i8 0, i64 40, i1 false)
  %6 = tail call i64 @matrix_rows(ptr noundef %1)
  %7 = shl i64 %3, 1
  %8 = add i64 %6, %7
  %9 = tail call i64 @matrix_cols(ptr noundef %1)
  %10 = shl i64 %2, 1
  %11 = add i64 %9, %10
  %12 = call zeroext i1 @matrix_reset(ptr noundef nonnull %5, i64 noundef %8, i64 noundef %11)
  br i1 %12, label %.preheader, label %23

.preheader:                                       ; preds = %4
  %13 = call i64 @matrix_rows(ptr noundef %1)
  %.not = icmp eq i64 %13, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.01617 = phi i64 [ %20, %.lr.ph ], [ 0, %.preheader ]
  %14 = call ptr @matrix_crow(ptr noundef %1, i64 noundef %.01617)
  %15 = add i64 %.01617, %3
  %16 = call ptr @matrix_row(ptr noundef nonnull %5, i64 noundef %15)
  %17 = getelementptr inbounds float, ptr %16, i64 %2
  %18 = call i64 @matrix_cols(ptr noundef %1)
  %19 = shl i64 %18, 2
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %17, ptr align 4 %14, i64 %19, i1 false)
  %20 = add nuw i64 %.01617, 1
  %21 = call i64 @matrix_rows(ptr noundef %1)
  %22 = icmp ult i64 %20, %21
  br i1 %22, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  call void @matrix_swap(ptr noundef nonnull %5, ptr noundef %0)
  call void @matrix_destroy(ptr noundef nonnull %5)
  br label %23

23:                                               ; preds = %4, %._crit_edge
  call void @llvm.lifetime.end.p0(i64 40, ptr nonnull %5) #5
  ret i1 %12
}

; 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 #1

; Function Attrs: nounwind uwtable
declare dso_local void @matrix_swap(ptr noundef, ptr noundef) local_unnamed_addr #2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass