; LLVM IR from Razakhel/RaZ :: src/RaZ/Render/Renderer.ll (ZN3Raz8Renderer19recoverShaderSourceB5cxx11Ej)

; 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] }

@__glewGetShaderSource = external global ptr, align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

declare i32 @__gxx_personality_v0(...)

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3Raz8Renderer22printConditionalErrorsEv() #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN3Raz8Renderer17recoverShaderInfoEjNS_10ShaderInfoE(i32 noundef, i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3Raz8Renderer19recoverShaderSourceB5cxx11Ej(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, i32 noundef %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i1, align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = call noundef i32 @_ZN3Raz8Renderer17recoverShaderInfoEjNS_10ShaderInfoE(i32 noundef %10, i32 noundef 35720)
  store i32 %11, ptr %5, align 4, !tbaa !5
  %12 = load i32, ptr %5, align 4, !tbaa !5
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %2
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  store i32 1, ptr %6, align 4
  br label %33

15:                                               ; preds = %2
  store i1 false, ptr %7, align 1
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = sub nsw i32 %16, 1
  %18 = sext i32 %17 to i64
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %18)
          to label %19 unwind label %27

19:                                               ; preds = %15
  %20 = load ptr, ptr @__glewGetShaderSource, align 8, !tbaa !9
  %21 = load i32, ptr %4, align 4, !tbaa !5
  %22 = load i32, ptr %5, align 4, !tbaa !5
  %23 = call noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  invoke void %20(i32 noundef %21, i32 noundef %22, ptr noundef null, ptr noundef %23)
          to label %24 unwind label %27

24:                                               ; preds = %19
  invoke void @_ZN3Raz8Renderer22printConditionalErrorsEv()
          to label %25 unwind label %27

25:                                               ; preds = %24
  store i1 true, ptr %7, align 1
  store i32 1, ptr %6, align 4
  %26 = load i1, ptr %7, align 1
  br i1 %26, label %32, label %31

27:                                               ; preds = %24, %19, %15
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %8, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %34

31:                                               ; preds = %25
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #3
  br label %32

32:                                               ; preds = %31, %25
  br label %33

33:                                               ; preds = %32, %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  ret void

34:                                               ; preds = %27
  %35 = load ptr, ptr %8, align 8
  %36 = load i32, ptr %9, align 4
  %37 = insertvalue { ptr, i32 } poison, ptr %35, 0
  %38 = insertvalue { ptr, i32 } %37, i32 %36, 1
  resume { ptr, i32 } %38
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32)) #1 align 2

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 }

!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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


; 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] }

@__glewGetShaderSource = external local_unnamed_addr global ptr, align 8

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN3Raz8Renderer22printConditionalErrorsEv() local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN3Raz8Renderer17recoverShaderInfoEjNS_10ShaderInfoE(i32 noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3Raz8Renderer19recoverShaderSourceB5cxx11Ej(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8 %0, i32 noundef %1) local_unnamed_addr #1 align 2 personality ptr @__gxx_personality_v0 {
  %3 = tail call noundef i32 @_ZN3Raz8Renderer17recoverShaderInfoEjNS_10ShaderInfoE(i32 noundef %1, i32 noundef 35720)
  %4 = icmp eq i32 %3, 0
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #2
  br i1 %4, label %14, label %5

5:                                                ; preds = %2
  %6 = add nsw i32 %3, -1
  %7 = sext i32 %6 to i64
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(32) %0, i64 noundef %7)
          to label %8 unwind label %12

8:                                                ; preds = %5
  %9 = load ptr, ptr @__glewGetShaderSource, align 8, !tbaa !5
  %10 = tail call noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #2
  invoke void %9(i32 noundef %1, i32 noundef %3, ptr noundef null, ptr noundef %10)
          to label %11 unwind label %12

11:                                               ; preds = %8
  invoke void @_ZN3Raz8Renderer22printConditionalErrorsEv()
          to label %14 unwind label %12

12:                                               ; preds = %11, %8, %5
  %13 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %0) #2
  resume { ptr, i32 } %13

14:                                               ; preds = %2, %11
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4dataEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #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++ TBAA"}


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