; LLVM IR from ARMmbed/mbed-crypto :: library (psa_crypto)

; 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: 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
declare dso_local i32 @psa_hash_finish(ptr noundef, ptr noundef, i64 noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_hash_verify(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca [64 x i8], align 16
  %9 = alloca i64, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 64, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = getelementptr inbounds [64 x i8], ptr %8, i64 0, i64 0
  %14 = call i32 @psa_hash_finish(ptr noundef %12, ptr noundef %13, i64 noundef 64, ptr noundef %9)
  store i32 %14, ptr %10, align 4, !tbaa !11
  %15 = load i32, ptr %10, align 4, !tbaa !11
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %17, label %19

17:                                               ; preds = %3
  %18 = load i32, ptr %10, align 4, !tbaa !11
  store i32 %18, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %32

19:                                               ; preds = %3
  %20 = load i64, ptr %9, align 8, !tbaa !9
  %21 = load i64, ptr %7, align 8, !tbaa !9
  %22 = icmp ne i64 %20, %21
  br i1 %22, label %23, label %24

23:                                               ; preds = %19
  store i32 -149, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %32

24:                                               ; preds = %19
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = getelementptr inbounds [64 x i8], ptr %8, i64 0, i64 0
  %27 = load i64, ptr %9, align 8, !tbaa !9
  %28 = call i32 @safer_memcmp(ptr noundef %25, ptr noundef %26, i64 noundef %27)
  %29 = icmp ne i32 %28, 0
  br i1 %29, label %30, label %31

30:                                               ; preds = %24
  store i32 -149, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %32

31:                                               ; preds = %24
  store i32 0, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %32

32:                                               ; preds = %31, %30, %23, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr %8) #3
  %33 = load i32, ptr %4, align 4
  ret i32 %33
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @safer_memcmp(ptr noundef, ptr noundef, i64 noundef) #2

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 = { inlinehint 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !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"

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

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

; Function Attrs: nounwind uwtable
declare dso_local i32 @psa_hash_finish(ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local i32 @psa_hash_verify(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = alloca [64 x i8], align 16
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  %6 = call i32 @psa_hash_finish(ptr noundef %0, ptr noundef nonnull %4, i64 noundef 64, ptr noundef nonnull %5)
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %7, label %11

7:                                                ; preds = %3
  %8 = load i64, ptr %5, align 8, !tbaa !5
  %.not7 = icmp eq i64 %8, %2
  br i1 %.not7, label %9, label %11

9:                                                ; preds = %7
  %10 = call i32 @safer_memcmp(ptr noundef %1, ptr noundef nonnull %4, i64 noundef %2)
  %.not8 = icmp eq i32 %10, 0
  %. = select i1 %.not8, i32 0, i32 -149
  br label %11

11:                                               ; preds = %9, %7, %3
  %.0 = phi i32 [ %6, %3 ], [ -149, %7 ], [ %., %9 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %4) #3
  ret i32 %.0
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden i32 @safer_memcmp(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #2

attributes #0 = { mustprogress 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 = { inlinehint 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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass