; LLVM IR from openssl/openssl :: crypto/whrlpool (wp_dgst)

; 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"

; Function Attrs: nounwind uwtable
define dso_local i32 @WHIRLPOOL_Update(ptr noundef %0, ptr noundef %1, i64 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  store i64 1152921504606846976, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #2
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %9, ptr %8, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %14, %3
  %11 = load i64, ptr %6, align 8, !tbaa !9
  %12 = load i64, ptr %7, align 8, !tbaa !9
  %13 = icmp uge i64 %11, %12
  br i1 %13, label %14, label %25

14:                                               ; preds = %10
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load ptr, ptr %8, align 8, !tbaa !5
  %17 = load i64, ptr %7, align 8, !tbaa !9
  %18 = mul i64 %17, 8
  call void @WHIRLPOOL_BitUpdate(ptr noundef %15, ptr noundef %16, i64 noundef %18)
  %19 = load i64, ptr %7, align 8, !tbaa !9
  %20 = load i64, ptr %6, align 8, !tbaa !9
  %21 = sub i64 %20, %19
  store i64 %21, ptr %6, align 8, !tbaa !9
  %22 = load i64, ptr %7, align 8, !tbaa !9
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  %24 = getelementptr inbounds i8, ptr %23, i64 %22
  store ptr %24, ptr %8, align 8, !tbaa !5
  br label %10, !llvm.loop !11

25:                                               ; preds = %10
  %26 = load i64, ptr %6, align 8, !tbaa !9
  %27 = icmp ne i64 %26, 0
  br i1 %27, label %28, label %33

28:                                               ; preds = %25
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  %31 = load i64, ptr %6, align 8, !tbaa !9
  %32 = mul i64 %31, 8
  call void @WHIRLPOOL_BitUpdate(ptr noundef %29, ptr noundef %30, i64 noundef %32)
  br label %33

33:                                               ; preds = %28, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret i32 1
}

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

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

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

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}
!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"

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @WHIRLPOOL_Update(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #0 {
  %4 = icmp ugt i64 %2, 1152921504606846975
  br i1 %4, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.015 = phi ptr [ %6, %.lr.ph ], [ %1, %3 ]
  %.01314 = phi i64 [ %5, %.lr.ph ], [ %2, %3 ]
  tail call void @WHIRLPOOL_BitUpdate(ptr noundef %0, ptr noundef %.015, i64 noundef -9223372036854775808)
  %5 = add i64 %.01314, -1152921504606846976
  %6 = getelementptr inbounds i8, ptr %.015, i64 1152921504606846976
  %7 = icmp ugt i64 %5, 1152921504606846975
  br i1 %7, label %.lr.ph, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %.lr.ph, %3
  %.013.lcssa = phi i64 [ %2, %3 ], [ %5, %.lr.ph ]
  %.0.lcssa = phi ptr [ %1, %3 ], [ %6, %.lr.ph ]
  %.not = icmp eq i64 %.013.lcssa, 0
  br i1 %.not, label %10, label %8

8:                                                ; preds = %._crit_edge
  %9 = shl nuw nsw i64 %.013.lcssa, 3
  tail call void @WHIRLPOOL_BitUpdate(ptr noundef %0, ptr noundef %.0.lcssa, i64 noundef %9)
  br label %10

10:                                               ; preds = %8, %._crit_edge
  ret i32 1
}

; Function Attrs: nounwind uwtable
declare dso_local void @WHIRLPOOL_BitUpdate(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #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" }

!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,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass