; LLVM IR from ARMmbed/mbed-crypto :: library (ecp)

; 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.mbedtls_ecp_group = type { i32, %struct.mbedtls_mpi, %struct.mbedtls_mpi, %struct.mbedtls_mpi, %struct.mbedtls_ecp_point, %struct.mbedtls_mpi, i64, i64, i32, ptr, ptr, ptr, ptr, ptr, i64 }
%struct.mbedtls_ecp_point = type { %struct.mbedtls_mpi, %struct.mbedtls_mpi, %struct.mbedtls_mpi }
%struct.mbedtls_mpi = type { i32, i64, ptr }

; 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 void @mbedtls_ecp_point_free(ptr noundef) #1

declare void @mbedtls_mpi_free(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @mbedtls_ecp_group_free(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i32 1, ptr %4, align 4
  br label %51

8:                                                ; preds = %1
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %9, i32 0, i32 8
  %11 = load i32, ptr %10, align 8, !tbaa !9
  %12 = icmp ne i32 %11, 1
  br i1 %12, label %13, label %24

13:                                               ; preds = %8
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %14, i32 0, i32 1
  call void @mbedtls_mpi_free(ptr noundef %15)
  %16 = load ptr, ptr %2, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %16, i32 0, i32 2
  call void @mbedtls_mpi_free(ptr noundef %17)
  %18 = load ptr, ptr %2, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %18, i32 0, i32 3
  call void @mbedtls_mpi_free(ptr noundef %19)
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %20, i32 0, i32 4
  call void @mbedtls_ecp_point_free(ptr noundef %21)
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %22, i32 0, i32 5
  call void @mbedtls_mpi_free(ptr noundef %23)
  br label %24

24:                                               ; preds = %13, %8
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %25, i32 0, i32 13
  %27 = load ptr, ptr %26, align 8, !tbaa !15
  %28 = icmp ne ptr %27, null
  br i1 %28, label %29, label %49

29:                                               ; preds = %24
  store i64 0, ptr %3, align 8, !tbaa !16
  br label %30

30:                                               ; preds = %42, %29
  %31 = load i64, ptr %3, align 8, !tbaa !16
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %32, i32 0, i32 14
  %34 = load i64, ptr %33, align 8, !tbaa !17
  %35 = icmp ult i64 %31, %34
  br i1 %35, label %36, label %45

36:                                               ; preds = %30
  %37 = load ptr, ptr %2, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %37, i32 0, i32 13
  %39 = load ptr, ptr %38, align 8, !tbaa !15
  %40 = load i64, ptr %3, align 8, !tbaa !16
  %41 = getelementptr inbounds %struct.mbedtls_ecp_point, ptr %39, i64 %40
  call void @mbedtls_ecp_point_free(ptr noundef %41)
  br label %42

42:                                               ; preds = %36
  %43 = load i64, ptr %3, align 8, !tbaa !16
  %44 = add i64 %43, 1
  store i64 %44, ptr %3, align 8, !tbaa !16
  br label %30, !llvm.loop !18

45:                                               ; preds = %30
  %46 = load ptr, ptr %2, align 8, !tbaa !5
  %47 = getelementptr inbounds %struct.mbedtls_ecp_group, ptr %46, i32 0, i32 13
  %48 = load ptr, ptr %47, align 8, !tbaa !15
  call void @free(ptr noundef %48) #4
  br label %49

49:                                               ; preds = %45, %24
  %50 = load ptr, ptr %2, align 8, !tbaa !5
  call void @mbedtls_platform_zeroize(ptr noundef %50, i64 noundef 248)
  store i32 0, ptr %4, align 4
  br label %51

51:                                               ; preds = %49, %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  %52 = load i32, ptr %4, align 4
  switch i32 %52, label %54 [
    i32 0, label %53
    i32 1, label %53
  ]

53:                                               ; preds = %51, %51
  ret void

54:                                               ; preds = %51
  unreachable
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

declare void @mbedtls_platform_zeroize(ptr noundef, i64 noundef) #2

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 = { "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 = { nounwind "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/C++ TBAA"}
!9 = !{!10, !11, i64 192}
!10 = !{!"mbedtls_ecp_group", !11, i64 0, !12, i64 8, !12, i64 32, !12, i64 56, !14, i64 80, !12, i64 152, !13, i64 176, !13, i64 184, !11, i64 192, !6, i64 200, !6, i64 208, !6, i64 216, !6, i64 224, !6, i64 232, !13, i64 240}
!11 = !{!"int", !7, i64 0}
!12 = !{!"mbedtls_mpi", !11, i64 0, !13, i64 8, !6, i64 16}
!13 = !{!"long", !7, i64 0}
!14 = !{!"mbedtls_ecp_point", !12, i64 0, !12, i64 24, !12, i64 48}
!15 = !{!10, !6, i64 232}
!16 = !{!13, !13, i64 0}
!17 = !{!10, !13, i64 240}
!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"

%struct.mbedtls_ecp_point = type { %struct.mbedtls_mpi, %struct.mbedtls_mpi, %struct.mbedtls_mpi }
%struct.mbedtls_mpi = type { i32, i64, ptr }

; Function Attrs: nounwind uwtable
declare dso_local void @mbedtls_ecp_point_free(ptr noundef) local_unnamed_addr #0

declare void @mbedtls_mpi_free(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @mbedtls_ecp_group_free(ptr noundef %0) local_unnamed_addr #0 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %24, label %3

3:                                                ; preds = %1
  %4 = getelementptr inbounds i8, ptr %0, i64 192
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %.not = icmp eq i32 %5, 1
  br i1 %.not, label %12, label %6

6:                                                ; preds = %3
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @mbedtls_mpi_free(ptr noundef nonnull %7) #3
  %8 = getelementptr inbounds i8, ptr %0, i64 32
  tail call void @mbedtls_mpi_free(ptr noundef nonnull %8) #3
  %9 = getelementptr inbounds i8, ptr %0, i64 56
  tail call void @mbedtls_mpi_free(ptr noundef nonnull %9) #3
  %10 = getelementptr inbounds i8, ptr %0, i64 80
  tail call void @mbedtls_ecp_point_free(ptr noundef nonnull %10)
  %11 = getelementptr inbounds i8, ptr %0, i64 152
  tail call void @mbedtls_mpi_free(ptr noundef nonnull %11) #3
  br label %12

12:                                               ; preds = %6, %3
  %13 = getelementptr inbounds i8, ptr %0, i64 232
  %14 = load ptr, ptr %13, align 8, !tbaa !14
  %.not15 = icmp eq ptr %14, null
  br i1 %.not15, label %23, label %.preheader

.preheader:                                       ; preds = %12
  %15 = getelementptr inbounds i8, ptr %0, i64 240
  %16 = load i64, ptr %15, align 8, !tbaa !15
  %.not17 = icmp eq i64 %16, 0
  br i1 %.not17, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.016 = phi i64 [ %19, %.lr.ph ], [ 0, %.preheader ]
  %17 = load ptr, ptr %13, align 8, !tbaa !14
  %18 = getelementptr inbounds %struct.mbedtls_ecp_point, ptr %17, i64 %.016
  tail call void @mbedtls_ecp_point_free(ptr noundef %18)
  %19 = add nuw i64 %.016, 1
  %20 = load i64, ptr %15, align 8, !tbaa !15
  %21 = icmp ult i64 %19, %20
  br i1 %21, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !16

._crit_edge.loopexit:                             ; preds = %.lr.ph
  %.pre = load ptr, ptr %13, align 8, !tbaa !14
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %22 = phi ptr [ %.pre, %._crit_edge.loopexit ], [ %14, %.preheader ]
  tail call void @free(ptr noundef %22) #3
  br label %23

23:                                               ; preds = %._crit_edge, %12
  tail call void @mbedtls_platform_zeroize(ptr noundef nonnull %0, i64 noundef 248) #3
  br label %24

24:                                               ; preds = %1, %23
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

declare void @mbedtls_platform_zeroize(ptr noundef, i64 noundef) local_unnamed_addr #1

attributes #0 = { 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 #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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { 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, !7, i64 192}
!6 = !{!"mbedtls_ecp_group", !7, i64 0, !10, i64 8, !10, i64 32, !10, i64 56, !13, i64 80, !10, i64 152, !11, i64 176, !11, i64 184, !7, i64 192, !12, i64 200, !12, i64 208, !12, i64 216, !12, i64 224, !12, i64 232, !11, i64 240}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"mbedtls_mpi", !7, i64 0, !11, i64 8, !12, i64 16}
!11 = !{!"long", !8, i64 0}
!12 = !{!"any pointer", !8, i64 0}
!13 = !{!"mbedtls_ecp_point", !10, i64 0, !10, i64 24, !10, i64 48}
!14 = !{!6, !12, i64 232}
!15 = !{!6, !11, i64 240}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass