; LLVM IR from research-group-of-Xinzheng-Lu/SCI-effects-simulation :: SRC/PostprocessSpeed_MDOF-master/PostprocessSpeed_MDOF/include (inifile)

; 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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; 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: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7inifile7IniFile4trimERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %7) #4
  %9 = trunc i64 %8 to i32
  store i32 %9, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %29, %1
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = load i32, ptr %4, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %11, i64 noundef %13)
  %15 = load i8, ptr %14, align 1, !tbaa !11
  %16 = sext i8 %15 to i32
  %17 = call i32 @isspace(i32 noundef %16) #5
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %27

19:                                               ; preds = %10
  %20 = load ptr, ptr %2, align 8, !tbaa !5
  %21 = load i32, ptr %4, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %20, i64 noundef %22)
  %24 = load i8, ptr %23, align 1, !tbaa !11
  %25 = sext i8 %24 to i32
  %26 = icmp ne i32 %25, 0
  br label %27

27:                                               ; preds = %19, %10
  %28 = phi i1 [ false, %10 ], [ %26, %19 ]
  br i1 %28, label %29, label %32

29:                                               ; preds = %27
  %30 = load i32, ptr %4, align 4, !tbaa !9
  %31 = add nsw i32 %30, 1
  store i32 %31, ptr %4, align 4, !tbaa !9
  br label %10, !llvm.loop !12

32:                                               ; preds = %27
  %33 = load i32, ptr %4, align 4, !tbaa !9
  %34 = icmp ne i32 %33, 0
  br i1 %34, label %35, label %45

35:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 32, ptr %5) #4
  %36 = load ptr, ptr %2, align 8, !tbaa !5
  %37 = load i32, ptr %4, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = load i32, ptr %3, align 4, !tbaa !9
  %40 = load i32, ptr %4, align 4, !tbaa !9
  %41 = sub nsw i32 %39, %40
  %42 = sext i32 %41 to i64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_mm(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull align 8 dereferenceable(32) %36, i64 noundef %38, i64 noundef %42)
  %43 = load ptr, ptr %2, align 8, !tbaa !5
  %44 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %43, ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %5) #4
  br label %45

45:                                               ; preds = %35, %32
  %46 = load ptr, ptr %2, align 8, !tbaa !5
  %47 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %46) #4
  %48 = trunc i64 %47 to i32
  store i32 %48, ptr %3, align 4, !tbaa !9
  %49 = load i32, ptr %3, align 4, !tbaa !9
  %50 = sub nsw i32 %49, 1
  store i32 %50, ptr %4, align 4, !tbaa !9
  br label %51

51:                                               ; preds = %65, %45
  %52 = load i32, ptr %4, align 4, !tbaa !9
  %53 = icmp sge i32 %52, 0
  br i1 %53, label %54, label %68

54:                                               ; preds = %51
  %55 = load ptr, ptr %2, align 8, !tbaa !5
  %56 = load i32, ptr %4, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %55, i64 noundef %57)
  %59 = load i8, ptr %58, align 1, !tbaa !11
  %60 = sext i8 %59 to i32
  %61 = call i32 @isspace(i32 noundef %60) #5
  %62 = icmp ne i32 %61, 0
  br i1 %62, label %64, label %63

63:                                               ; preds = %54
  br label %68

64:                                               ; preds = %54
  br label %65

65:                                               ; preds = %64
  %66 = load i32, ptr %4, align 4, !tbaa !9
  %67 = add nsw i32 %66, -1
  store i32 %67, ptr %4, align 4, !tbaa !9
  br label %51, !llvm.loop !14

68:                                               ; preds = %63, %51
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #4
  %69 = load ptr, ptr %2, align 8, !tbaa !5
  %70 = load i32, ptr %4, align 4, !tbaa !9
  %71 = add nsw i32 %70, 1
  %72 = sext i32 %71 to i64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_mm(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull align 8 dereferenceable(32) %69, i64 noundef 0, i64 noundef %72)
  %73 = load ptr, ptr %2, align 8, !tbaa !5
  %74 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %73, ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #4
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_mm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) unnamed_addr #2 align 2

; Function Attrs: nounwind willreturn memory(read)
declare i32 @isspace(i32 noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { mustprogress 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 willreturn memory(read) "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 #4 = { nounwind }
attributes #5 = { nounwind willreturn memory(read) }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = distinct !{!14, !13}


; 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"

%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; 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: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7inifile7IniFile4trimERNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull align 8 dereferenceable(32) %0) local_unnamed_addr #2 align 2 {
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %5 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0)
  %6 = load i8, ptr %5, align 1, !tbaa !5
  %7 = sext i8 %6 to i32
  %8 = tail call i32 @isspace(i32 noundef %7) #6
  %.not23 = icmp eq i32 %8, 0
  br i1 %.not23, label %.critedge.thread, label %.lr.ph

.lr.ph:                                           ; preds = %1, %11
  %indvars.iv = phi i64 [ %indvars.iv.next, %11 ], [ 0, %1 ]
  %9 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv)
  %10 = load i8, ptr %9, align 1, !tbaa !5
  %.not20 = icmp eq i8 %10, 0
  br i1 %.not20, label %.critedge, label %11

11:                                               ; preds = %.lr.ph
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %12 = tail call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %indvars.iv.next)
  %13 = load i8, ptr %12, align 1, !tbaa !5
  %14 = sext i8 %13 to i32
  %15 = tail call i32 @isspace(i32 noundef %14) #6
  %.not = icmp eq i32 %15, 0
  br i1 %.not, label %.critedge, label %.lr.ph, !llvm.loop !8

.critedge:                                        ; preds = %.lr.ph, %11
  %.lcssa.ph = phi i64 [ %indvars.iv, %.lr.ph ], [ %indvars.iv.next, %11 ]
  %16 = and i64 %.lcssa.ph, 4294967295
  %.not21 = icmp eq i64 %16, 0
  br i1 %.not21, label %.critedge.thread, label %17

17:                                               ; preds = %.critedge
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #5
  %18 = sub i64 %4, %.lcssa.ph
  %sext = shl i64 %18, 32
  %19 = ashr exact i64 %sext, 32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_mm(ptr noundef nonnull align 8 dereferenceable(32) %2, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %.lcssa.ph, i64 noundef %19)
  %20 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #5
  br label %.critedge.thread

.critedge.thread:                                 ; preds = %1, %17, %.critedge
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #5
  %22 = trunc i64 %21 to i32
  %23 = and i64 %21, 4294967295
  %smin = call i32 @llvm.smin.i32(i32 %22, i32 0)
  br label %24

24:                                               ; preds = %27, %.critedge.thread
  %indvars.iv30 = phi i64 [ %28, %27 ], [ %23, %.critedge.thread ]
  %25 = trunc nuw i64 %indvars.iv30 to i32
  %26 = icmp sgt i32 %25, 0
  br i1 %26, label %27, label %33

27:                                               ; preds = %24
  %28 = add nsw i64 %indvars.iv30, -1
  %29 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %28)
  %30 = load i8, ptr %29, align 1, !tbaa !5
  %31 = sext i8 %30 to i32
  %32 = call i32 @isspace(i32 noundef %31) #6
  %.not22 = icmp eq i32 %32, 0
  br i1 %.not22, label %33, label %24, !llvm.loop !10

33:                                               ; preds = %27, %24
  %.1.in.lcssa = phi i32 [ %25, %27 ], [ %smin, %24 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #5
  %34 = sext i32 %.1.in.lcssa to i64
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_mm(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef 0, i64 noundef %34)
  %35 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %0, ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #5
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_mm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress nofree nounwind willreturn memory(read)
declare i32 @isspace(i32 noundef) local_unnamed_addr #3

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #4

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 = { mustprogress 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 = { mustprogress nofree nounwind willreturn memory(read) "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 #4 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #5 = { nounwind }
attributes #6 = { nounwind willreturn memory(read) }

!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++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = distinct !{!10, !9}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass