; LLVM IR from glaretechnologies/substrata :: secp256k1-master/src (bench_recover)

; 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.bench_recover_data = type { ptr, [32 x i8], [64 x i8] }

; 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
define dso_local void @bench_recover_setup(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  store ptr %5, ptr %4, align 8, !tbaa !5
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %18, %1
  %7 = load i32, ptr %3, align 4, !tbaa !9
  %8 = icmp slt i32 %7, 32
  br i1 %8, label %9, label %21

9:                                                ; preds = %6
  %10 = load i32, ptr %3, align 4, !tbaa !9
  %11 = add nsw i32 1, %10
  %12 = trunc i32 %11 to i8
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.bench_recover_data, ptr %13, i32 0, i32 1
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [32 x i8], ptr %14, i64 0, i64 %16
  store i8 %12, ptr %17, align 1, !tbaa !11
  br label %18

18:                                               ; preds = %9
  %19 = load i32, ptr %3, align 4, !tbaa !9
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %3, align 4, !tbaa !9
  br label %6, !llvm.loop !12

21:                                               ; preds = %6
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %22

22:                                               ; preds = %34, %21
  %23 = load i32, ptr %3, align 4, !tbaa !9
  %24 = icmp slt i32 %23, 64
  br i1 %24, label %25, label %37

25:                                               ; preds = %22
  %26 = load i32, ptr %3, align 4, !tbaa !9
  %27 = add nsw i32 65, %26
  %28 = trunc i32 %27 to i8
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.bench_recover_data, ptr %29, i32 0, i32 2
  %31 = load i32, ptr %3, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [64 x i8], ptr %30, i64 0, i64 %32
  store i8 %28, ptr %33, align 1, !tbaa !11
  br label %34

34:                                               ; preds = %25
  %35 = load i32, ptr %3, align 4, !tbaa !9
  %36 = add nsw i32 %35, 1
  store i32 %36, ptr %3, align 4, !tbaa !9
  br label %22, !llvm.loop !14

37:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret void
}

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 = { 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"}
!14 = distinct !{!14, !13}


; 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"

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @bench_recover_setup(ptr nocapture noundef writeonly %0) local_unnamed_addr #0 {
.preheader:
  %1 = getelementptr inbounds i8, ptr %0, i64 8
  store <16 x i8> <i8 1, i8 2, i8 3, i8 4, i8 5, i8 6, i8 7, i8 8, i8 9, i8 10, i8 11, i8 12, i8 13, i8 14, i8 15, i8 16>, ptr %1, align 1, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 24
  store <16 x i8> <i8 17, i8 18, i8 19, i8 20, i8 21, i8 22, i8 23, i8 24, i8 25, i8 26, i8 27, i8 28, i8 29, i8 30, i8 31, i8 32>, ptr %2, align 1, !tbaa !5
  %3 = getelementptr inbounds i8, ptr %0, i64 40
  store <16 x i8> <i8 65, i8 66, i8 67, i8 68, i8 69, i8 70, i8 71, i8 72, i8 73, i8 74, i8 75, i8 76, i8 77, i8 78, i8 79, i8 80>, ptr %3, align 1, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 56
  store <16 x i8> <i8 81, i8 82, i8 83, i8 84, i8 85, i8 86, i8 87, i8 88, i8 89, i8 90, i8 91, i8 92, i8 93, i8 94, i8 95, i8 96>, ptr %4, align 1, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 72
  store <16 x i8> <i8 97, i8 98, i8 99, i8 100, i8 101, i8 102, i8 103, i8 104, i8 105, i8 106, i8 107, i8 108, i8 109, i8 110, i8 111, i8 112>, ptr %5, align 1, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 88
  store <16 x i8> <i8 113, i8 114, i8 115, i8 116, i8 117, i8 118, i8 119, i8 120, i8 121, i8 122, i8 123, i8 124, i8 125, i8 126, i8 127, i8 -128>, ptr %6, align 1, !tbaa !5
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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" }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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