; LLVM IR from opensim-org/opensim-moco :: tropter/external/snopt-interface/src/snoptProblem.ll (ZN12sqoptProblem12setSpecsFileEPKci)

; 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::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%class.snoptProblem = type { [30 x i8], i32, i32, i32, i32, i32, ptr, ptr, i32, i32, ptr, ptr }

@.str.2 = external hidden unnamed_addr constant [112 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [16 x i8], align 1
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.7 = external hidden unnamed_addr constant [36 x i8], align 1
@__PRETTY_FUNCTION__._ZN12sqoptProblem12setSpecsFileEPKci = external hidden unnamed_addr constant [50 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind willreturn memory(read)
declare i64 @strlen(ptr noundef) #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN12sqoptProblem12setSpecsFileEPKci(ptr noundef nonnull align 8 dereferenceable(104) %0, ptr noundef %1, i32 noundef %2) #4 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %9 = load ptr, ptr %4, align 8
  %10 = getelementptr inbounds %class.snoptProblem, ptr %9, i32 0, i32 1
  %11 = load i32, ptr %10, align 8, !tbaa !11
  %12 = icmp eq i32 %11, 1
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  br label %16

14:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str.6, ptr noundef @.str.2, i32 noundef 630, ptr noundef @__PRETTY_FUNCTION__._ZN12sqoptProblem12setSpecsFileEPKci) #6
  unreachable

15:                                               ; No predecessors!
  br label %16

16:                                               ; preds = %15, %13
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call i64 @strlen(ptr noundef %17) #8
  %19 = trunc i64 %18 to i32
  store i32 %19, ptr %8, align 4, !tbaa !9
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = load i32, ptr %8, align 4, !tbaa !9
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = getelementptr inbounds %class.snoptProblem, ptr %9, i32 0, i32 7
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = getelementptr inbounds %class.snoptProblem, ptr %9, i32 0, i32 4
  %26 = load i32, ptr %25, align 4, !tbaa !14
  %27 = getelementptr inbounds %class.snoptProblem, ptr %9, i32 0, i32 6
  %28 = load ptr, ptr %27, align 8, !tbaa !15
  %29 = getelementptr inbounds %class.snoptProblem, ptr %9, i32 0, i32 5
  %30 = load i32, ptr %29, align 8, !tbaa !16
  call void @f_sqspec(ptr noundef %20, i32 noundef %21, i32 noundef %22, ptr noundef %7, ptr noundef %24, i32 noundef %26, ptr noundef %28, i32 noundef %30)
  %31 = load i32, ptr %7, align 4, !tbaa !9
  %32 = icmp ne i32 %31, 101
  br i1 %32, label %33, label %38

33:                                               ; preds = %16
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.7)
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %34, ptr noundef %35)
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %36, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %38

38:                                               ; preds = %33, %16
  %39 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #7
  ret i32 %39
}

declare void @f_sqspec(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) #5

attributes #0 = { noreturn 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { inlinehint 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 #4 = { 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 #5 = { "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 #6 = { noreturn nounwind }
attributes #7 = { nounwind }
attributes #8 = { 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 = !{!12, !10, i64 32}
!12 = !{!"_ZTS12snoptProblem", !7, i64 0, !10, i64 32, !10, i64 36, !10, i64 40, !10, i64 44, !10, i64 48, !6, i64 56, !6, i64 64, !10, i64 72, !10, i64 76, !6, i64 80, !6, i64 88}
!13 = !{!12, !6, i64 64}
!14 = !{!12, !10, i64 44}
!15 = !{!12, !6, i64 56}
!16 = !{!12, !10, 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"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }

@.str.2 = external hidden unnamed_addr constant [112 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [16 x i8], align 1
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.7 = external hidden unnamed_addr constant [36 x i8], align 1
@__PRETTY_FUNCTION__._ZN12sqoptProblem12setSpecsFileEPKci = external hidden unnamed_addr constant [50 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i64 @strlen(ptr nocapture noundef) local_unnamed_addr #2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #4 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN12sqoptProblem12setSpecsFileEPKci(ptr nocapture noundef nonnull readonly align 8 dereferenceable(104) %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #4 align 2 {
  %4 = alloca i32, align 4
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %7 = icmp eq i32 %6, 1
  br i1 %7, label %9, label %8

8:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.2, i32 noundef 630, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN12sqoptProblem12setSpecsFileEPKci) #6
  unreachable

9:                                                ; preds = %3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %10 = tail call i64 @strlen(ptr noundef nonnull dereferenceable(1) %1) #8
  %11 = trunc i64 %10 to i32
  %12 = getelementptr inbounds i8, ptr %0, i64 64
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  %14 = getelementptr inbounds i8, ptr %0, i64 44
  %15 = load i32, ptr %14, align 4, !tbaa !12
  %16 = getelementptr inbounds i8, ptr %0, i64 56
  %17 = load ptr, ptr %16, align 8, !tbaa !13
  %18 = getelementptr inbounds i8, ptr %0, i64 48
  %19 = load i32, ptr %18, align 8, !tbaa !14
  call void @f_sqspec(ptr noundef %1, i32 noundef %11, i32 noundef %2, ptr noundef nonnull %4, ptr noundef %13, i32 noundef %15, ptr noundef %17, i32 noundef %19)
  %20 = load i32, ptr %4, align 4, !tbaa !15
  %.not = icmp eq i32 %20, 101
  br i1 %.not, label %25, label %21

21:                                               ; preds = %9
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.7)
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef %1)
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %.pre = load i32, ptr %4, align 4, !tbaa !15
  br label %25

25:                                               ; preds = %21, %9
  %26 = phi i32 [ %.pre, %21 ], [ 101, %9 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  ret i32 %26
}

declare void @f_sqspec(ptr noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #5

attributes #0 = { noreturn 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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nofree nounwind willreturn memory(argmem: 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 #3 = { inlinehint 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 #4 = { 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 #5 = { "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 #6 = { noreturn nounwind }
attributes #7 = { nounwind }
attributes #8 = { 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, !9, i64 32}
!6 = !{!"_ZTS12snoptProblem", !7, i64 0, !9, i64 32, !9, i64 36, !9, i64 40, !9, i64 44, !9, i64 48, !10, i64 56, !10, i64 64, !9, i64 72, !9, i64 76, !10, i64 80, !10, i64 88}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"int", !7, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!6, !10, i64 64}
!12 = !{!6, !9, i64 44}
!13 = !{!6, !10, i64 56}
!14 = !{!6, !9, i64 48}
!15 = !{!9, !9, i64 0}


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