; LLVM IR from bytecodealliance/sightglass :: benchmarks/shootout/src (ed25519)

; 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.ge25519_p3 = type { [5 x i64], [5 x i64], [5 x i64], [5 x i64] }

@__const.main.p_s = external hidden unnamed_addr constant <{ i8, [31 x i8] }>, align 16
@__const.main.a = external hidden unnamed_addr constant <{ i8, [31 x i8] }>, align 16
@black_box = external hidden global ptr, align 8

; Function Attrs: nounwind uwtable
declare dso_local void @ge25519_p3_tobytes(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(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca [32 x i8], align 16
  %3 = alloca [32 x i8], align 16
  %4 = alloca i32, align 4
  %5 = alloca %struct.ge25519_p3, align 8
  %6 = alloca %struct.ge25519_p3, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %2, ptr align 16 @__const.main.p_s, i64 32, i1 false)
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %3, ptr align 16 @__const.main.a, i64 32, i1 false)
  %7 = load volatile ptr, ptr @black_box, align 8, !tbaa !5
  call void %7(ptr noundef %3)
  call void (...) @bench_start()
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %22, %0
  %9 = load i32, ptr %4, align 4, !tbaa !9
  %10 = icmp slt i32 %9, 10000
  br i1 %10, label %11, label %25

11:                                               ; preds = %8
  %12 = load volatile ptr, ptr @black_box, align 8, !tbaa !5
  call void %12(ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 160, ptr %5) #4
  %13 = getelementptr inbounds [32 x i8], ptr %2, i64 0, i64 0
  %14 = call i32 @ge25519_frombytes(ptr noundef %5, ptr noundef %13)
  call void @llvm.lifetime.start.p0(i64 160, ptr %6) #4
  %15 = getelementptr inbounds [32 x i8], ptr %3, i64 0, i64 0
  call void @ge25519_scalarmult(ptr noundef %6, ptr noundef %15, ptr noundef %5)
  %16 = getelementptr inbounds [32 x i8], ptr %3, i64 0, i64 0
  call void @ge25519_p3_tobytes(ptr noundef %16, ptr noundef %6)
  %17 = getelementptr inbounds [32 x i8], ptr %3, i64 0, i64 31
  %18 = load i8, ptr %17, align 1, !tbaa !11
  %19 = zext i8 %18 to i32
  %20 = and i32 %19, 127
  %21 = trunc i32 %20 to i8
  store i8 %21, ptr %17, align 1, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 160, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 160, ptr %5) #4
  br label %22

22:                                               ; preds = %11
  %23 = load i32, ptr %4, align 4, !tbaa !9
  %24 = add nsw i32 %23, 1
  store i32 %24, ptr %4, align 4, !tbaa !9
  br label %8, !llvm.loop !12

25:                                               ; preds = %8
  call void (...) @bench_end()
  %26 = load volatile ptr, ptr @black_box, align 8, !tbaa !5
  call void %26(ptr noundef %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #4
  %27 = load i32, ptr %1, align 4
  ret i32 %27
}

; 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) #2

declare void @bench_start(...) #3

; Function Attrs: nounwind uwtable
declare hidden i32 @ge25519_frombytes(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare hidden void @ge25519_scalarmult(ptr noundef, ptr noundef, ptr noundef) #0

declare void @bench_end(...) #3

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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.ge25519_p3 = type { [5 x i64], [5 x i64], [5 x i64], [5 x i64] }

@__const.main.p_s = external hidden unnamed_addr constant <{ i8, [31 x i8] }>, align 16
@__const.main.a = external hidden unnamed_addr constant <{ i8, [31 x i8] }>, align 16
@black_box = external hidden global ptr, align 8

; Function Attrs: nounwind uwtable
declare dso_local void @ge25519_p3_tobytes(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: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca [32 x i8], align 16
  %2 = alloca [32 x i8], align 16
  %3 = alloca %struct.ge25519_p3, align 8
  %4 = alloca %struct.ge25519_p3, align 8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %1, ptr noundef nonnull align 16 dereferenceable(32) @__const.main.p_s, i64 32, i1 false)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(32) %2, ptr noundef nonnull align 16 dereferenceable(32) @__const.main.a, i64 32, i1 false)
  %5 = load volatile ptr, ptr @black_box, align 8, !tbaa !5
  call void %5(ptr noundef nonnull %2) #4
  call void (...) @bench_start() #4
  %6 = getelementptr inbounds i8, ptr %2, i64 31
  br label %7

7:                                                ; preds = %0, %7
  %.03 = phi i32 [ 0, %0 ], [ %12, %7 ]
  %8 = load volatile ptr, ptr @black_box, align 8, !tbaa !5
  call void %8(ptr noundef nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 160, ptr nonnull %3) #4
  %9 = call i32 @ge25519_frombytes(ptr noundef nonnull %3, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 160, ptr nonnull %4) #4
  call void @ge25519_scalarmult(ptr noundef nonnull %4, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @ge25519_p3_tobytes(ptr noundef nonnull %2, ptr noundef nonnull %4)
  %10 = load i8, ptr %6, align 1, !tbaa !9
  %11 = and i8 %10, 127
  store i8 %11, ptr %6, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 160, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 160, ptr nonnull %3) #4
  %12 = add nuw nsw i32 %.03, 1
  %exitcond.not = icmp eq i32 %12, 10000
  br i1 %exitcond.not, label %13, label %7, !llvm.loop !10

13:                                               ; preds = %7
  call void (...) @bench_end() #4
  %14 = load volatile ptr, ptr @black_box, align 8, !tbaa !5
  call void %14(ptr noundef nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #4
  ret i32 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) #2

declare void @bench_start(...) local_unnamed_addr #3

; Function Attrs: nounwind uwtable
declare hidden i32 @ge25519_frombytes(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden void @ge25519_scalarmult(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #0

declare void @bench_end(...) local_unnamed_addr #3

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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass