; LLVM IR from kala13x/libxutils :: src/crypt (sha256)

; 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.XSHA256 = type { %union.xsha256_digest_t, %union.xsha256_block_t, i64, i64 }
%union.xsha256_digest_t = type { [8 x i32] }
%union.xsha256_block_t = type { [16 x i32] }

; Function Attrs: nounwind uwtable
declare dso_local void @XSHA256_Init(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @XSHA256_Update(ptr noundef, ptr noundef, i64 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
declare dso_local void @XSHA256_Final(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @XSHA256_Compute(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i64, align 8
  %10 = alloca %struct.XSHA256, align 8
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store ptr %2, ptr %8, align 8, !tbaa !5
  store i64 %3, ptr %9, align 8, !tbaa !9
  %11 = load i64, ptr %7, align 8, !tbaa !9
  %12 = icmp ult i64 %11, 32
  br i1 %12, label %16, label %13

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

16:                                               ; preds = %13, %4
  store i32 -1, ptr %5, align 4
  br label %21

17:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 112, ptr %10) #2
  call void @XSHA256_Init(ptr noundef %10)
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = load i64, ptr %9, align 8, !tbaa !9
  call void @XSHA256_Update(ptr noundef %10, ptr noundef %18, i64 noundef %19)
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  call void @XSHA256_Final(ptr noundef %10, ptr noundef %20)
  store i32 1, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 112, ptr %10) #2
  br label %21

21:                                               ; preds = %17, %16
  %22 = load i32, ptr %5, align 4
  ret i32 %22
}

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 = { 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.XSHA256 = type { %union.xsha256_digest_t, %union.xsha256_block_t, i64, i64 }
%union.xsha256_digest_t = type { [8 x i32] }
%union.xsha256_block_t = type { [16 x i32] }

; Function Attrs: nounwind uwtable
declare dso_local void @XSHA256_Init(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @XSHA256_Update(ptr noundef, ptr noundef, i64 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
declare dso_local void @XSHA256_Final(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 -1, 2) i32 @XSHA256_Compute(ptr noundef %0, i64 noundef %1, ptr noundef %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = alloca %struct.XSHA256, align 8
  %6 = icmp ult i64 %1, 32
  %7 = icmp eq ptr %0, null
  %or.cond = or i1 %7, %6
  br i1 %or.cond, label %9, label %8

8:                                                ; preds = %4
  call void @llvm.lifetime.start.p0(i64 112, ptr nonnull %5) #2
  call void @XSHA256_Init(ptr noundef nonnull %5)
  call void @XSHA256_Update(ptr noundef nonnull %5, ptr noundef %2, i64 noundef %3)
  call void @XSHA256_Final(ptr noundef nonnull %5, ptr noundef nonnull %0)
  call void @llvm.lifetime.end.p0(i64 112, ptr nonnull %5) #2
  br label %9

9:                                                ; preds = %4, %8
  %.0 = phi i32 [ 1, %8 ], [ -1, %4 ]
  ret i32 %.0
}

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 = { 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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,SimplifyCFGPass