; LLVM IR from cvra/robot-software :: lib/cmp/test (buf)

; 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.buf_s = type { i64, i64, i64, ptr }

@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1

; 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 void @M_BufferEnsureTotalCapacity(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @M_BufferClear(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @M_BufferSetFile(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store ptr null, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  store i8 0, ptr %8, align 1, !tbaa !11
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = call noalias ptr @fopen(ptr noundef %10, ptr noundef @.str.4)
  store ptr %11, ptr %6, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  store i32 1, ptr %9, align 4
  br label %46

14:                                               ; preds = %2
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = call i32 @fseek(ptr noundef %15, i64 noundef 0, i32 noundef 2)
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call i64 @ftell(ptr noundef %17)
  store i64 %18, ptr %7, align 8, !tbaa !9
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  %20 = call i32 @fseek(ptr noundef %19, i64 noundef 0, i32 noundef 0)
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  call void @M_BufferClear(ptr noundef %21)
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i64, ptr %7, align 8, !tbaa !9
  call void @M_BufferEnsureTotalCapacity(ptr noundef %22, i64 noundef %23)
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.buf_s, ptr %24, i32 0, i32 3
  %26 = load ptr, ptr %25, align 8, !tbaa !13
  %27 = load i64, ptr %7, align 8, !tbaa !9
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = call i64 @fread(ptr noundef %26, i64 noundef 1, i64 noundef %27, ptr noundef %28)
  %30 = load i64, ptr %7, align 8, !tbaa !9
  %31 = icmp eq i64 %29, %30
  br i1 %31, label %32, label %39

32:                                               ; preds = %14
  %33 = load i64, ptr %7, align 8, !tbaa !9
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.buf_s, ptr %34, i32 0, i32 2
  store i64 %33, ptr %35, align 8, !tbaa !15
  %36 = load i64, ptr %7, align 8, !tbaa !9
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.buf_s, ptr %37, i32 0, i32 1
  store i64 %36, ptr %38, align 8, !tbaa !16
  store i8 1, ptr %8, align 1, !tbaa !11
  br label %41

39:                                               ; preds = %14
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  call void @M_BufferClear(ptr noundef %40)
  store i8 0, ptr %8, align 1, !tbaa !11
  br label %41

41:                                               ; preds = %39, %32
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  %43 = call i32 @fclose(ptr noundef %42)
  %44 = load i8, ptr %8, align 1, !tbaa !11, !range !17, !noundef !18
  %45 = trunc i8 %44 to i1
  store i1 %45, ptr %3, align 1
  store i32 1, ptr %9, align 4
  br label %46

46:                                               ; preds = %41, %13
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %47 = load i1, ptr %3, align 1
  ret i1 %47
}

declare noalias ptr @fopen(ptr noundef, ptr noundef) #2

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

declare i64 @ftell(ptr noundef) #2

declare i64 @fread(ptr noundef, i64 noundef, i64 noundef, ptr noundef) #2

declare i32 @fclose(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 = !{!"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 = !{!"_Bool", !7, i64 0}
!13 = !{!14, !6, i64 24}
!14 = !{!"buf_s", !10, i64 0, !10, i64 8, !10, i64 16, !6, i64 24}
!15 = !{!14, !10, i64 16}
!16 = !{!14, !10, i64 8}
!17 = !{i8 0, i8 2}
!18 = !{}


; 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"

@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1

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

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

; Function Attrs: nounwind uwtable
define dso_local noundef zeroext i1 @M_BufferSetFile(ptr noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #0 {
  %3 = tail call noalias ptr @fopen(ptr noundef %1, ptr noundef nonnull @.str.4)
  %4 = icmp eq ptr %3, null
  br i1 %4, label %19, label %5

5:                                                ; preds = %2
  %6 = tail call i32 @fseek(ptr noundef nonnull %3, i64 noundef 0, i32 noundef 2)
  %7 = tail call i64 @ftell(ptr noundef nonnull %3)
  %8 = tail call i32 @fseek(ptr noundef nonnull %3, i64 noundef 0, i32 noundef 0)
  tail call void @M_BufferClear(ptr noundef %0)
  tail call void @M_BufferEnsureTotalCapacity(ptr noundef %0, i64 noundef %7)
  %9 = getelementptr inbounds i8, ptr %0, i64 24
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = tail call i64 @fread(ptr noundef %10, i64 noundef 1, i64 noundef %7, ptr noundef nonnull %3)
  %12 = icmp eq i64 %11, %7
  br i1 %12, label %13, label %16

13:                                               ; preds = %5
  %14 = getelementptr inbounds i8, ptr %0, i64 16
  store i64 %7, ptr %14, align 8, !tbaa !11
  %15 = getelementptr inbounds i8, ptr %0, i64 8
  store i64 %7, ptr %15, align 8, !tbaa !12
  br label %17

16:                                               ; preds = %5
  tail call void @M_BufferClear(ptr noundef nonnull %0)
  br label %17

17:                                               ; preds = %16, %13
  %18 = tail call i32 @fclose(ptr noundef nonnull %3)
  br label %19

19:                                               ; preds = %2, %17
  %.018 = phi i1 [ %12, %17 ], [ false, %2 ]
  ret i1 %.018
}

; Function Attrs: nofree nounwind
declare noalias noundef ptr @fopen(ptr nocapture noundef readonly, ptr nocapture noundef readonly) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fseek(ptr nocapture noundef, i64 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i64 @ftell(ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i64 @fread(ptr nocapture noundef, i64 noundef, i64 noundef, ptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nofree nounwind
declare noundef i32 @fclose(ptr nocapture noundef) local_unnamed_addr #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 = { nofree nounwind "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 = !{!6, !10, i64 24}
!6 = !{!"buf_s", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 16}
!12 = !{!6, !7, i64 8}


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