; LLVM IR from FrancesoM/Bisc8FX :: sdk_projects/bisc8_platform/zynq_fsbl (sd)

; 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.FIL = type { %struct.FFOBJID, i8, i8, i64, i64, i64, i64, ptr, [16 x i8], [512 x i8] }
%struct.FFOBJID = type { ptr, i16, i8, i8, i64, i64 }

@fil = external hidden global %struct.FIL, align 32

; 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 i32 @SDAccess(i32 noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !5
  store i32 %2, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %11 = load i32, ptr %5, align 4, !tbaa !5
  %12 = zext i32 %11 to i64
  %13 = call i32 @f_lseek(ptr noundef @fil, i64 noundef %12)
  store i32 %13, ptr %8, align 4, !tbaa !5
  %14 = load i32, ptr %8, align 4, !tbaa !5
  %15 = icmp ne i32 %14, 0
  br i1 %15, label %16, label %17

16:                                               ; preds = %3
  store i32 1, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %27

17:                                               ; preds = %3
  %18 = load i32, ptr %6, align 4, !tbaa !5
  %19 = zext i32 %18 to i64
  %20 = inttoptr i64 %19 to ptr
  %21 = load i32, ptr %7, align 4, !tbaa !5
  %22 = call i32 @f_read(ptr noundef @fil, ptr noundef %20, i32 noundef %21, ptr noundef %9)
  store i32 %22, ptr %8, align 4, !tbaa !5
  %23 = load i32, ptr %8, align 4, !tbaa !5
  %24 = icmp ne i32 %23, 0
  br i1 %24, label %25, label %26

25:                                               ; preds = %17
  br label %26

26:                                               ; preds = %25, %17
  store i32 0, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %27

27:                                               ; preds = %26, %16
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  %28 = load i32, ptr %4, align 4
  ret i32 %28
}

declare i32 @f_lseek(ptr noundef, i64 noundef) #2

declare i32 @f_read(ptr noundef, ptr noundef, i32 noundef, ptr 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 = { "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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; 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.FIL = type { %struct.FFOBJID, i8, i8, i64, i64, i64, i64, ptr, [16 x i8], [512 x i8] }
%struct.FFOBJID = type { ptr, i16, i8, i8, i64, i64 }

@fil = external hidden global %struct.FIL, align 32

; 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
define dso_local range(i32 0, 2) i32 @SDAccess(i32 noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %5 = zext i32 %0 to i64
  %6 = tail call i32 @f_lseek(ptr noundef nonnull @fil, i64 noundef %5) #3
  %.not = icmp eq i32 %6, 0
  br i1 %.not, label %7, label %11

7:                                                ; preds = %3
  %8 = zext i32 %1 to i64
  %9 = inttoptr i64 %8 to ptr
  %10 = call i32 @f_read(ptr noundef nonnull @fil, ptr noundef %9, i32 noundef %2, ptr noundef nonnull %4) #3
  br label %11

11:                                               ; preds = %3, %7
  %.0 = phi i32 [ 0, %7 ], [ 1, %3 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  ret i32 %.0
}

declare i32 @f_lseek(ptr noundef, i64 noundef) local_unnamed_addr #2

declare i32 @f_read(ptr noundef, ptr noundef, i32 noundef, ptr 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 = { "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)"}


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