; LLVM IR from HRI-EU/Rcs :: src/RcsCore (Rcs_timer)

; 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._Timer = type { double, double, double, double, %struct.timeval, i64, i8 }
%struct.timeval = type { i64, i64 }

@RCS_GLOBAL_RLOG_CB = external global ptr, align 8
@.str = external hidden unnamed_addr constant [68 x i8], align 1
@RcsLogLevel = external global i32, align 4
@stderr = external global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [28 x i8], align 1
@__func__.Timer_waitNoCatchUp = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #0

; Function Attrs: nounwind uwtable
declare dso_local double @Timer_get(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @Timer_usleep(i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local void @Timer_waitNoCatchUp(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %5, label %23

5:                                                ; preds = %1
  br label %6

6:                                                ; preds = %5
  %7 = load ptr, ptr @RCS_GLOBAL_RLOG_CB, align 8, !tbaa !5
  %8 = icmp ne ptr %7, null
  br i1 %8, label %9, label %11

9:                                                ; preds = %6
  %10 = load ptr, ptr @RCS_GLOBAL_RLOG_CB, align 8, !tbaa !5
  call void (i32, ptr, ptr, i32, ptr, ...) %10(i32 noundef 1, ptr noundef @.str, ptr noundef @__func__.Timer_waitNoCatchUp, i32 noundef 281, ptr noundef @.str.8)
  br label %11

11:                                               ; preds = %9, %6
  %12 = load i32, ptr @RcsLogLevel, align 4, !tbaa !9
  %13 = icmp sle i32 1, %12
  br i1 %13, label %14, label %21

14:                                               ; preds = %11
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, ptr noundef @.str.2, ptr noundef @.str, ptr noundef @__func__.Timer_waitNoCatchUp, i32 noundef 281) #2
  %17 = load ptr, ptr @stderr, align 8, !tbaa !5
  %18 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %17, ptr noundef @.str.8) #2
  %19 = load ptr, ptr @stderr, align 8, !tbaa !5
  %20 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %19, ptr noundef @.str.3) #2
  br label %21

21:                                               ; preds = %14, %11
  br label %22

22:                                               ; preds = %21
  br label %69

23:                                               ; preds = %1
  br label %24

24:                                               ; preds = %47, %23
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = call double @Timer_get(ptr noundef %25)
  %27 = load ptr, ptr %2, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct._Timer, ptr %27, i32 0, i32 1
  store double %26, ptr %28, align 8, !tbaa !11
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct._Timer, ptr %29, i32 0, i32 1
  %31 = load double, ptr %30, align 8, !tbaa !11
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct._Timer, ptr %32, i32 0, i32 3
  %34 = load double, ptr %33, align 8, !tbaa !17
  %35 = fcmp olt double %31, %34
  br i1 %35, label %36, label %46

36:                                               ; preds = %24
  %37 = load ptr, ptr %2, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct._Timer, ptr %37, i32 0, i32 3
  %39 = load double, ptr %38, align 8, !tbaa !17
  %40 = load ptr, ptr %2, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct._Timer, ptr %40, i32 0, i32 1
  %42 = load double, ptr %41, align 8, !tbaa !11
  %43 = fsub double %39, %42
  %44 = fmul double 1.000000e+06, %43
  %45 = fptoui double %44 to i64
  call void @Timer_usleep(i64 noundef %45)
  br label %46

46:                                               ; preds = %36, %24
  br label %47

47:                                               ; preds = %46
  %48 = load ptr, ptr %2, align 8, !tbaa !5
  %49 = getelementptr inbounds %struct._Timer, ptr %48, i32 0, i32 1
  %50 = load double, ptr %49, align 8, !tbaa !11
  %51 = load ptr, ptr %2, align 8, !tbaa !5
  %52 = getelementptr inbounds %struct._Timer, ptr %51, i32 0, i32 3
  %53 = load double, ptr %52, align 8, !tbaa !17
  %54 = fcmp olt double %50, %53
  br i1 %54, label %24, label %55, !llvm.loop !18

55:                                               ; preds = %47
  %56 = load ptr, ptr %2, align 8, !tbaa !5
  %57 = getelementptr inbounds %struct._Timer, ptr %56, i32 0, i32 1
  %58 = load double, ptr %57, align 8, !tbaa !11
  %59 = load ptr, ptr %2, align 8, !tbaa !5
  %60 = getelementptr inbounds %struct._Timer, ptr %59, i32 0, i32 2
  %61 = load double, ptr %60, align 8, !tbaa !20
  %62 = fadd double %58, %61
  %63 = load ptr, ptr %2, align 8, !tbaa !5
  %64 = getelementptr inbounds %struct._Timer, ptr %63, i32 0, i32 3
  store double %62, ptr %64, align 8, !tbaa !17
  %65 = load ptr, ptr %2, align 8, !tbaa !5
  %66 = getelementptr inbounds %struct._Timer, ptr %65, i32 0, i32 5
  %67 = load i64, ptr %66, align 8, !tbaa !21
  %68 = add nsw i64 %67, 1
  store i64 %68, ptr %66, align 8, !tbaa !21
  br label %69

69:                                               ; preds = %55, %22
  ret void
}

attributes #0 = { 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" }
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 = !{!"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 = !{!12, !13, i64 8}
!12 = !{!"_Timer", !13, i64 0, !13, i64 8, !13, i64 16, !13, i64 24, !14, i64 32, !15, i64 48, !16, i64 56}
!13 = !{!"double", !7, i64 0}
!14 = !{!"timeval", !15, i64 0, !15, i64 8}
!15 = !{!"long", !7, i64 0}
!16 = !{!"_Bool", !7, i64 0}
!17 = !{!12, !13, i64 24}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}
!20 = !{!12, !13, i64 16}
!21 = !{!12, !15, i64 48}


; 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"

@RCS_GLOBAL_RLOG_CB = external local_unnamed_addr global ptr, align 8
@.str = external hidden unnamed_addr constant [68 x i8], align 1
@RcsLogLevel = external local_unnamed_addr global i32, align 4
@stderr = external local_unnamed_addr global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [28 x i8], align 1
@__func__.Timer_waitNoCatchUp = external hidden unnamed_addr constant [20 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local double @Timer_get(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @Timer_usleep(i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @Timer_waitNoCatchUp(ptr noundef %0) local_unnamed_addr #1 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %5, label %.preheader

.preheader:                                       ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  br label %18

5:                                                ; preds = %1
  %6 = load ptr, ptr @RCS_GLOBAL_RLOG_CB, align 8, !tbaa !5
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %8, label %7

7:                                                ; preds = %5
  tail call void (i32, ptr, ptr, i32, ptr, ...) %6(i32 noundef 1, ptr noundef nonnull @.str, ptr noundef nonnull @__func__.Timer_waitNoCatchUp, i32 noundef 281, ptr noundef nonnull @.str.8) #2
  br label %8

8:                                                ; preds = %7, %5
  %9 = load i32, ptr @RcsLogLevel, align 4, !tbaa !9
  %10 = icmp sgt i32 %9, 0
  br i1 %10, label %11, label %37

11:                                               ; preds = %8
  %12 = load ptr, ptr @stderr, align 8, !tbaa !5
  %13 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %12, ptr noundef nonnull @.str.2, ptr noundef nonnull @.str, ptr noundef nonnull @__func__.Timer_waitNoCatchUp, i32 noundef 281) #3
  %14 = load ptr, ptr @stderr, align 8, !tbaa !5
  %15 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %14, ptr noundef nonnull @.str.8) #3
  %16 = load ptr, ptr @stderr, align 8, !tbaa !5
  %17 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %16, ptr noundef nonnull @.str.3) #3
  br label %37

18:                                               ; preds = %.preheader, %26
  %19 = tail call double @Timer_get(ptr noundef nonnull %0)
  store double %19, ptr %3, align 8, !tbaa !11
  %20 = load double, ptr %4, align 8, !tbaa !17
  %21 = fcmp olt double %19, %20
  br i1 %21, label %22, label %26

22:                                               ; preds = %18
  %23 = fsub double %20, %19
  %24 = fmul double %23, 1.000000e+06
  %25 = fptoui double %24 to i64
  tail call void @Timer_usleep(i64 noundef %25)
  %.pre = load double, ptr %3, align 8, !tbaa !11
  %.pre17 = load double, ptr %4, align 8, !tbaa !17
  br label %26

26:                                               ; preds = %18, %22
  %27 = phi double [ %20, %18 ], [ %.pre17, %22 ]
  %28 = phi double [ %19, %18 ], [ %.pre, %22 ]
  %29 = fcmp olt double %28, %27
  br i1 %29, label %18, label %30, !llvm.loop !18

30:                                               ; preds = %26
  %31 = getelementptr inbounds i8, ptr %0, i64 16
  %32 = load double, ptr %31, align 8, !tbaa !20
  %33 = fadd double %28, %32
  store double %33, ptr %4, align 8, !tbaa !17
  %34 = getelementptr inbounds i8, ptr %0, i64 48
  %35 = load i64, ptr %34, align 8, !tbaa !21
  %36 = add nsw i64 %35, 1
  store i64 %36, ptr %34, align 8, !tbaa !21
  br label %37

37:                                               ; preds = %11, %8, %30
  ret void
}

attributes #0 = { 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" }
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 }
attributes #3 = { cold 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 = !{!12, !13, i64 8}
!12 = !{!"_Timer", !13, i64 0, !13, i64 8, !13, i64 16, !13, i64 24, !14, i64 32, !15, i64 48, !16, i64 56}
!13 = !{!"double", !7, i64 0}
!14 = !{!"timeval", !15, i64 0, !15, i64 8}
!15 = !{!"long", !7, i64 0}
!16 = !{!"_Bool", !7, i64 0}
!17 = !{!12, !13, i64 24}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}
!20 = !{!12, !13, i64 16}
!21 = !{!12, !15, i64 48}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LICMPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass