; LLVM IR from square/subzero :: core/trezor-crypto/tests (test_speed)

; 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.ecdsa_curve = type { %struct.bignum256, %struct.curve_point, %struct.bignum256, %struct.bignum256, i32, %struct.bignum256, [64 x [8 x %struct.curve_point]] }
%struct.curve_point = type { %struct.bignum256, %struct.bignum256 }
%struct.bignum256 = type { [9 x i32] }

@msg = external hidden global [256 x i8], align 16
@.str = external hidden unnamed_addr constant [33 x i8], align 1
@nist256p1 = external constant %struct.ecdsa_curve, align 4

; 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: 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) #1

declare i32 @ecdsa_sign(ptr noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) #2

declare void @ecdsa_get_public_key33(ptr noundef, ptr noundef, ptr noundef) #2

declare i32 @ecdsa_verify(ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @bench_verify_nist256p1_33(i32 noundef %0) #3 {
  %2 = alloca i32, align 4
  %3 = alloca [64 x i8], align 16
  %4 = alloca [33 x i8], align 16
  %5 = alloca [32 x i8], align 16
  %6 = alloca i8, align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 64, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 33, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store ptr @nist256p1, ptr %7, align 8, !tbaa !9
  %9 = getelementptr inbounds [32 x i8], ptr %5, i64 0, i64 0
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %9, ptr align 1 @.str, i64 32, i1 false)
  %10 = load ptr, ptr %7, align 8, !tbaa !9
  %11 = getelementptr inbounds [32 x i8], ptr %5, i64 0, i64 0
  %12 = getelementptr inbounds [33 x i8], ptr %4, i64 0, i64 0
  call void @ecdsa_get_public_key33(ptr noundef %10, ptr noundef %11, ptr noundef %12)
  %13 = load ptr, ptr %7, align 8, !tbaa !9
  %14 = getelementptr inbounds [32 x i8], ptr %5, i64 0, i64 0
  %15 = getelementptr inbounds [64 x i8], ptr %3, i64 0, i64 0
  %16 = call i32 @ecdsa_sign(ptr noundef %13, i32 noundef 0, ptr noundef %14, ptr noundef @msg, i32 noundef 256, ptr noundef %15, ptr noundef %6, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %27, %1
  %18 = load i32, ptr %8, align 4, !tbaa !5
  %19 = load i32, ptr %2, 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 %8) #4
  br label %30

22:                                               ; preds = %17
  %23 = load ptr, ptr %7, align 8, !tbaa !9
  %24 = getelementptr inbounds [33 x i8], ptr %4, i64 0, i64 0
  %25 = getelementptr inbounds [64 x i8], ptr %3, i64 0, i64 0
  %26 = call i32 @ecdsa_verify(ptr noundef %23, i32 noundef 0, ptr noundef %24, ptr noundef %25, ptr noundef @msg, i32 noundef 256)
  br label %27

27:                                               ; preds = %22
  %28 = load i32, ptr %8, align 4, !tbaa !5
  %29 = add nsw i32 %28, 1
  store i32 %29, ptr %8, align 4, !tbaa !5
  br label %17, !llvm.loop !11

30:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 33, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 64, ptr %3) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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.ecdsa_curve = type { %struct.bignum256, %struct.curve_point, %struct.bignum256, %struct.bignum256, i32, %struct.bignum256, [64 x [8 x %struct.curve_point]] }
%struct.curve_point = type { %struct.bignum256, %struct.bignum256 }
%struct.bignum256 = type { [9 x i32] }

@msg = external hidden global [256 x i8], align 16
@.str = external hidden unnamed_addr constant [33 x i8], align 1
@nist256p1 = external constant %struct.ecdsa_curve, align 4

; 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 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) #1

declare i32 @ecdsa_sign(ptr noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare void @ecdsa_get_public_key33(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

declare i32 @ecdsa_verify(ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @bench_verify_nist256p1_33(i32 noundef %0) local_unnamed_addr #3 {
  %2 = alloca [64 x i8], align 16
  %3 = alloca [33 x i8], align 16
  %4 = alloca [32 x i8], align 16
  %5 = alloca i8, align 1
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 33, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %4, ptr noundef nonnull align 1 dereferenceable(32) @.str, i64 32, i1 false)
  call void @ecdsa_get_public_key33(ptr noundef nonnull @nist256p1, ptr noundef nonnull %4, ptr noundef nonnull %3) #4
  %6 = call i32 @ecdsa_sign(ptr noundef nonnull @nist256p1, i32 noundef 0, ptr noundef nonnull %4, ptr noundef nonnull @msg, i32 noundef 256, ptr noundef nonnull %2, ptr noundef nonnull %5, ptr noundef null) #4
  %7 = icmp sgt i32 %0, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 33, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %2) #4
  ret void

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.05 = phi i32 [ %9, %.lr.ph ], [ 0, %1 ]
  %8 = call i32 @ecdsa_verify(ptr noundef nonnull @nist256p1, i32 noundef 0, ptr noundef nonnull %3, ptr noundef nonnull %2, ptr noundef nonnull @msg, i32 noundef 256) #4
  %9 = add nuw nsw i32 %.05, 1
  %exitcond.not = icmp eq i32 %9, %0
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5
}

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


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