; LLVM IR from vergecurrency/verge :: src/secp256k1/src (bench_ecmult)

; 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.secp256k1_scalar = type { [4 x i64] }
%struct.secp256k1_context_struct = type { %struct.secp256k1_ecmult_gen_context, %struct.secp256k1_callback, %struct.secp256k1_callback, i32 }
%struct.secp256k1_ecmult_gen_context = type { i32, %struct.secp256k1_scalar, %struct.secp256k1_gej }
%struct.secp256k1_gej = type { %struct.secp256k1_fe, %struct.secp256k1_fe, %struct.secp256k1_fe, i32 }
%struct.secp256k1_fe = type { [5 x i64] }
%struct.secp256k1_callback = type { ptr, ptr }

@.str.8 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [12 x i8], align 1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @secp256k1_callback_call(ptr noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(none)
declare i64 @llvm.expect.i64(i64, i64) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; Function Attrs: nounwind uwtable
define dso_local i32 @secp256k1_ecdsa_signature_parse_der(ptr noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) #4 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca %struct.secp256k1_scalar, align 8
  %11 = alloca %struct.secp256k1_scalar, align 8
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i64 %3, ptr %9, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %10) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #5
  br label %13

13:                                               ; preds = %4
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = icmp ne ptr %14, null
  %16 = zext i1 %15 to i32
  br label %17

17:                                               ; preds = %13
  br label %18

18:                                               ; preds = %17
  br label %19

19:                                               ; preds = %18
  %20 = load ptr, ptr %7, align 8, !tbaa !5
  %21 = icmp ne ptr %20, null
  %22 = xor i1 %21, true
  %23 = zext i1 %22 to i32
  %24 = sext i32 %23 to i64
  %25 = call i64 @llvm.expect.i64(i64 %24, i64 0)
  %26 = icmp ne i64 %25, 0
  br i1 %26, label %27, label %30

27:                                               ; preds = %19
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.secp256k1_context_struct, ptr %28, i32 0, i32 1
  call void @secp256k1_callback_call(ptr noundef %29, ptr noundef @.str.13)
  store i32 0, ptr %5, align 4
  store i32 1, ptr %12, align 4
  br label %55

30:                                               ; preds = %19
  br label %31

31:                                               ; preds = %30
  br label %32

32:                                               ; preds = %31
  br label %33

33:                                               ; preds = %32
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = icmp ne ptr %34, null
  %36 = xor i1 %35, true
  %37 = zext i1 %36 to i32
  %38 = sext i32 %37 to i64
  %39 = call i64 @llvm.expect.i64(i64 %38, i64 0)
  %40 = icmp ne i64 %39, 0
  br i1 %40, label %41, label %44

41:                                               ; preds = %33
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.secp256k1_context_struct, ptr %42, i32 0, i32 1
  call void @secp256k1_callback_call(ptr noundef %43, ptr noundef @.str.8)
  store i32 0, ptr %5, align 4
  store i32 1, ptr %12, align 4
  br label %55

44:                                               ; preds = %33
  br label %45

45:                                               ; preds = %44
  br label %46

46:                                               ; preds = %45
  %47 = load ptr, ptr %8, align 8, !tbaa !5
  %48 = load i64, ptr %9, align 8, !tbaa !9
  %49 = call i32 @secp256k1_ecdsa_sig_parse(ptr noundef %10, ptr noundef %11, ptr noundef %47, i64 noundef %48)
  %50 = icmp ne i32 %49, 0
  br i1 %50, label %51, label %53

51:                                               ; preds = %46
  %52 = load ptr, ptr %7, align 8, !tbaa !5
  call void @secp256k1_ecdsa_signature_save(ptr noundef %52, ptr noundef %10, ptr noundef %11)
  store i32 1, ptr %5, align 4
  store i32 1, ptr %12, align 4
  br label %55

53:                                               ; preds = %46
  %54 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.memset.p0.i64(ptr align 1 %54, i8 0, i64 64, i1 false)
  store i32 0, ptr %5, align 4
  store i32 1, ptr %12, align 4
  br label %55

55:                                               ; preds = %53, %51, %41, %27
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %10) #5
  %56 = load i32, ptr %5, align 4
  ret i32 %56
}

; Function Attrs: nounwind uwtable
declare hidden i32 @secp256k1_ecdsa_sig_parse(ptr noundef, ptr noundef, ptr noundef, i64 noundef) #4

; Function Attrs: nounwind uwtable
declare hidden void @secp256k1_ecdsa_signature_save(ptr noundef, ptr noundef, ptr noundef) #4

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(none) }
attributes #3 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #4 = { 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 #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}


; 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.secp256k1_scalar = type { [4 x i64] }

@.str.8 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [12 x i8], align 1

; Function Attrs: inlinehint nounwind uwtable
declare hidden void @secp256k1_callback_call(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @secp256k1_ecdsa_signature_parse_der(ptr noundef %0, ptr noundef %1, ptr noundef %2, i64 noundef %3) local_unnamed_addr #3 {
  %5 = alloca %struct.secp256k1_scalar, align 8
  %6 = alloca %struct.secp256k1_scalar, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #4
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %7, label %9, !prof !5

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %0, i64 168
  tail call void @secp256k1_callback_call(ptr noundef nonnull %8, ptr noundef nonnull @.str.13)
  br label %16

9:                                                ; preds = %4
  %.not9 = icmp eq ptr %2, null
  br i1 %.not9, label %10, label %12, !prof !5

10:                                               ; preds = %9
  %11 = getelementptr inbounds i8, ptr %0, i64 168
  tail call void @secp256k1_callback_call(ptr noundef nonnull %11, ptr noundef nonnull @.str.8)
  br label %16

12:                                               ; preds = %9
  %13 = call i32 @secp256k1_ecdsa_sig_parse(ptr noundef nonnull %5, ptr noundef nonnull %6, ptr noundef nonnull %2, i64 noundef %3)
  %.not10 = icmp eq i32 %13, 0
  br i1 %.not10, label %15, label %14

14:                                               ; preds = %12
  call void @secp256k1_ecdsa_signature_save(ptr noundef nonnull %1, ptr noundef nonnull %5, ptr noundef nonnull %6)
  br label %16

15:                                               ; preds = %12
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 1 dereferenceable(64) %1, i8 0, i64 64, i1 false)
  br label %16

16:                                               ; preds = %15, %14, %10, %7
  %.0 = phi i32 [ 0, %7 ], [ 0, %10 ], [ 1, %14 ], [ 0, %15 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #4
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare hidden i32 @secp256k1_ecdsa_sig_parse(ptr noundef, ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
declare hidden void @secp256k1_ecdsa_signature_save(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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 = !{!"branch_weights", !"expected", i32 1, i32 2000}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,LowerExpectIntrinsicPass,SROAPass,SimplifyCFGPass,TailCallElimPass