; LLVM IR from guanzhi/GmSSL :: src (sm3_hmac)

; 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.SM3_HMAC_CTX = type { %struct.SM3_CTX, [64 x i8] }
%struct.SM3_CTX = type { [8 x i32], i64, [64 x i8], i64 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare void @sm3_init(ptr noundef) #1

declare void @sm3_update(ptr noundef, ptr noundef, i64 noundef) #1

declare void @sm3_finish(ptr noundef, ptr noundef) #1

; 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 @sm3_hmac_finish(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %19, %2
  %7 = load i32, ptr %5, align 4, !tbaa !9
  %8 = icmp slt i32 %7, 64
  br i1 %8, label %9, label %22

9:                                                ; preds = %6
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.SM3_HMAC_CTX, ptr %10, i32 0, i32 1
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [64 x i8], ptr %11, i64 0, i64 %13
  %15 = load i8, ptr %14, align 1, !tbaa !11
  %16 = zext i8 %15 to i32
  %17 = xor i32 %16, 106
  %18 = trunc i32 %17 to i8
  store i8 %18, ptr %14, align 1, !tbaa !11
  br label %19

19:                                               ; preds = %9
  %20 = load i32, ptr %5, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %5, align 4, !tbaa !9
  br label %6, !llvm.loop !12

22:                                               ; preds = %6
  %23 = load ptr, ptr %3, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.SM3_HMAC_CTX, ptr %23, i32 0, i32 0
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  call void @sm3_finish(ptr noundef %24, ptr noundef %25)
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.SM3_HMAC_CTX, ptr %26, i32 0, i32 0
  call void @sm3_init(ptr noundef %27)
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.SM3_HMAC_CTX, ptr %28, i32 0, i32 0
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.SM3_HMAC_CTX, ptr %30, i32 0, i32 1
  %32 = getelementptr inbounds [64 x i8], ptr %31, i64 0, i64 0
  call void @sm3_update(ptr noundef %29, ptr noundef %32, i64 noundef 64)
  %33 = load ptr, ptr %3, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.SM3_HMAC_CTX, ptr %33, i32 0, i32 0
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  call void @sm3_update(ptr noundef %34, ptr noundef %35, i64 noundef 32)
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.SM3_HMAC_CTX, ptr %36, i32 0, i32 0
  %38 = load ptr, ptr %4, align 8, !tbaa !5
  call void @sm3_finish(ptr noundef %37, ptr noundef %38)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 #3 = { 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"

declare void @sm3_init(ptr noundef) local_unnamed_addr #0

declare void @sm3_update(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #0

declare void @sm3_finish(ptr noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @sm3_hmac_finish(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
vector.ph:
  %2 = getelementptr inbounds i8, ptr %0, i64 112
  %3 = getelementptr inbounds i8, ptr %0, i64 128
  %wide.load = load <16 x i8>, ptr %2, align 1, !tbaa !5
  %wide.load14 = load <16 x i8>, ptr %3, align 1, !tbaa !5
  %4 = xor <16 x i8> %wide.load, <i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106>
  %5 = xor <16 x i8> %wide.load14, <i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106>
  store <16 x i8> %4, ptr %2, align 1, !tbaa !5
  store <16 x i8> %5, ptr %3, align 1, !tbaa !5
  %6 = getelementptr inbounds i8, ptr %0, i64 144
  %7 = getelementptr inbounds i8, ptr %0, i64 160
  %wide.load.1 = load <16 x i8>, ptr %6, align 1, !tbaa !5
  %wide.load14.1 = load <16 x i8>, ptr %7, align 1, !tbaa !5
  %8 = xor <16 x i8> %wide.load.1, <i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106>
  %9 = xor <16 x i8> %wide.load14.1, <i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106, i8 106>
  store <16 x i8> %8, ptr %6, align 1, !tbaa !5
  store <16 x i8> %9, ptr %7, align 1, !tbaa !5
  tail call void @sm3_finish(ptr noundef nonnull %0, ptr noundef %1) #2
  tail call void @sm3_init(ptr noundef nonnull %0) #2
  tail call void @sm3_update(ptr noundef nonnull %0, ptr noundef nonnull %2, i64 noundef 64) #2
  tail call void @sm3_update(ptr noundef nonnull %0, ptr noundef %1, i64 noundef 32) #2
  tail call void @sm3_finish(ptr noundef nonnull %0, ptr noundef %1) #2
  ret void
}

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


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopLoadEliminationPass,LoopRotatePass,LoopUnrollPass,LoopVectorizePass,SROAPass,SimplifyCFGPass,TailCallElimPass