; LLVM IR from theolundqvist/parallax-voxel-ray-marcher :: src/external/Dear ImGui/imgui.ll (ZN5ImGui9IsKeyDownEi)

; 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.ImGuiContext = type <{ i8, i8, [6 x i8], %struct.ImGuiIO, %struct.ImGuiStyle, ptr, float, float, %struct.ImDrawListSharedData, double, i32, i32, i32, i8, i8, i8, i8, i8, [3 x i8], i32, ptr, %struct.ImVector.3, %struct.ImVector.3, %struct.ImVector.3, %struct.ImVector.4, %struct.ImGuiStorage, i32, %struct.ImVec2, [4 x i8], ptr, ptr, ptr, ptr, ptr, %struct.ImVec2, float, i32, i32, i8, i8, i8, i8, float, float, i32, i32, float, i8, i8, i8, i8, i8, i8, i8, i8, i32, i32, [4 x i8], i64, %struct.ImVec2, ptr, i32, i32, i32, i8, i8, [2 x i8], ptr, i32, float, i32, %struct.ImGuiNextItemData, %struct.ImGuiLastItemData, [4 x i8], %struct.ImGuiNextWindowData, %struct.ImVector.5, %struct.ImVector.6, %struct.ImVector.7, %struct.ImVector.8, %struct.ImVector.9, %struct.ImVector.10, %struct.ImVector.11, %struct.ImVector.11, %struct.ImVector.12, ptr, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, i32, %struct.ImRect, i32, i32, i32, i8, i8, i8, i8, i8, i8, i8, i8, i32, %struct.ImRect, i8, [3 x i8], i32, i32, i32, i32, i32, i32, [4 x i8], %struct.ImGuiNavItemData, %struct.ImGuiNavItemData, %struct.ImGuiNavItemData, ptr, i32, [4 x i8], ptr, ptr, ptr, float, float, i8, [7 x i8], ptr, ptr, i32, i32, i32, i32, i8, [3 x i8], float, i32, i8, i8, i8, i8, i32, i32, i32, [4 x i8], %struct.ImGuiPayload, %struct.ImRect, i32, i32, float, i32, i32, i32, i32, [4 x i8], %struct.ImVector.13, [16 x i8], ptr, i32, [4 x i8], %struct.ImPool, %struct.ImVector.15, %struct.ImVector.16, %struct.ImVector.17, ptr, %struct.ImPool.18, %struct.ImVector.20, %struct.ImVector.21, %struct.ImVec2, %struct.ImGuiInputTextState, %struct.ImFont, i32, i32, float, float, [3 x float], %struct.ImVec4, %struct.ImGuiComboPreviewData, float, i8, i8, [2 x i8], float, float, float, float, i32, float, [4 x i8], %struct.ImVector.2, %struct.ImVector.8, %struct.ImVec2, %struct.ImVec2, i8, i8, [2 x i8], float, %struct.ImGuiTextBuffer, %struct.ImVector.23, %struct.ImChunkStream, %struct.ImChunkStream.24, %struct.ImVector.25, i32, i8, [3 x i8], i32, [4 x i8], ptr, %struct.ImGuiTextBuffer, ptr, ptr, float, i8, [3 x i8], i32, i32, i32, i8, [3 x i8], i32, %struct.ImGuiMetricsConfig, [120 x float], i32, i32, float, i32, i32, i32, [3073 x i8], [3 x i8] }>
%struct.ImGuiIO = type { i32, i32, %struct.ImVec2, float, float, ptr, ptr, float, float, float, [22 x i32], float, float, ptr, ptr, float, i8, ptr, %struct.ImVec2, i8, i8, i8, i8, i8, i8, float, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, %struct.ImVec2, [5 x i8], float, float, i8, i8, i8, i8, [512 x i8], [20 x float], i8, i8, i8, i8, i8, i8, i8, float, i32, i32, i32, i32, i32, %struct.ImVec2, i32, i32, %struct.ImVec2, [5 x %struct.ImVec2], [5 x double], [5 x i8], [5 x i8], [5 x i8], [5 x i8], [5 x i8], [5 x float], [5 x float], [5 x %struct.ImVec2], [5 x float], [512 x float], [512 x float], [20 x float], [20 x float], float, i16, %struct.ImVector }
%struct.ImVector = type { i32, i32, ptr }
%struct.ImGuiStyle = type { float, float, %struct.ImVec2, float, float, %struct.ImVec2, %struct.ImVec2, i32, float, float, float, float, %struct.ImVec2, float, float, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, float, float, float, float, float, float, float, float, float, float, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, float, i8, i8, i8, float, float, [53 x %struct.ImVec4] }
%struct.ImDrawListSharedData = type { %struct.ImVec2, ptr, float, float, float, %struct.ImVec4, i32, [48 x %struct.ImVec2], float, [64 x i8], ptr }
%struct.ImVector.3 = type { i32, i32, ptr }
%struct.ImVector.4 = type { i32, i32, ptr }
%struct.ImGuiStorage = type { %struct.ImVector.0 }
%struct.ImVector.0 = type { i32, i32, ptr }
%struct.ImGuiNextItemData = type <{ i32, float, i32, i32, i8, [3 x i8] }>
%struct.ImGuiLastItemData = type { i32, i32, i32, %struct.ImRect, %struct.ImRect }
%struct.ImGuiNextWindowData = type <{ i32, i32, i32, i32, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, i8, [3 x i8], %struct.ImRect, [4 x i8], ptr, ptr, float, %struct.ImVec2, [4 x i8] }>
%struct.ImVector.5 = type { i32, i32, ptr }
%struct.ImVector.6 = type { i32, i32, ptr }
%struct.ImVector.7 = type { i32, i32, ptr }
%struct.ImVector.9 = type { i32, i32, ptr }
%struct.ImVector.10 = type { i32, i32, ptr }
%struct.ImVector.11 = type { i32, i32, ptr }
%struct.ImVector.12 = type { i32, i32, ptr }
%struct.ImGuiNavItemData = type <{ ptr, i32, i32, %struct.ImRect, float, float, float, [4 x i8] }>
%struct.ImGuiPayload = type <{ ptr, i32, i32, i32, i32, [33 x i8], i8, i8, [5 x i8] }>
%struct.ImRect = type { %struct.ImVec2, %struct.ImVec2 }
%struct.ImVector.13 = type { i32, i32, ptr }
%struct.ImPool = type { %struct.ImVector.14, %struct.ImGuiStorage, i32, i32 }
%struct.ImVector.14 = type { i32, i32, ptr }
%struct.ImVector.15 = type { i32, i32, ptr }
%struct.ImVector.16 = type { i32, i32, ptr }
%struct.ImVector.17 = type { i32, i32, ptr }
%struct.ImPool.18 = type { %struct.ImVector.19, %struct.ImGuiStorage, i32, i32 }
%struct.ImVector.19 = type { i32, i32, ptr }
%struct.ImVector.20 = type { i32, i32, ptr }
%struct.ImVector.21 = type { i32, i32, ptr }
%struct.ImGuiInputTextState = type { i32, i32, i32, %struct.ImVector, %struct.ImVector.2, %struct.ImVector.2, i8, i32, float, %"struct.ImStb::STB_TexteditState", float, i8, i8, i8, i32, ptr, ptr }
%"struct.ImStb::STB_TexteditState" = type { i32, i32, i32, i8, i32, i8, i8, i8, i8, i8, i8, i8, float, %"struct.ImStb::StbUndoState" }
%"struct.ImStb::StbUndoState" = type { [99 x %"struct.ImStb::StbUndoRecord"], [999 x i16], i16, i16, i32, i32 }
%"struct.ImStb::StbUndoRecord" = type { i32, i32, i32, i32 }
%struct.ImFont = type <{ %struct.ImVector.16, float, float, %struct.ImVector, %struct.ImVector.22, ptr, ptr, ptr, i16, i16, i16, i16, i8, [3 x i8], float, float, float, i32, [2 x i8], [2 x i8] }>
%struct.ImVector.22 = type { i32, i32, ptr }
%struct.ImVec4 = type { float, float, float, float }
%struct.ImGuiComboPreviewData = type { %struct.ImRect, %struct.ImVec2, %struct.ImVec2, %struct.ImVec2, float, i32 }
%struct.ImVector.2 = type { i32, i32, ptr }
%struct.ImVector.8 = type { i32, i32, ptr }
%struct.ImVec2 = type { float, float }
%struct.ImVector.23 = type { i32, i32, ptr }
%struct.ImChunkStream = type { %struct.ImVector.2 }
%struct.ImChunkStream.24 = type { %struct.ImVector.2 }
%struct.ImVector.25 = type { i32, i32, ptr }
%struct.ImGuiTextBuffer = type { %struct.ImVector.2 }
%struct.ImGuiMetricsConfig = type { i8, i8, i8, i8, i8, i32, i32 }

@GImGui = external dso_local global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [108 x i8], align 1
@.str.94 = external hidden unnamed_addr constant [98 x i8], align 1
@__PRETTY_FUNCTION__._ZN5ImGui9IsKeyDownEi = external hidden unnamed_addr constant [27 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: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN5ImGui9IsKeyDownEi(i32 noundef %0) #2 {
  %2 = alloca i1, align 1
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  %5 = load i32, ptr %3, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 0
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  br label %29

8:                                                ; preds = %1
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %9 = load ptr, ptr @GImGui, align 8, !tbaa !9
  store ptr %9, ptr %4, align 8, !tbaa !9
  %10 = load i32, ptr %3, align 4, !tbaa !5
  %11 = icmp sge i32 %10, 0
  br i1 %11, label %12, label %15

12:                                               ; preds = %8
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = icmp slt i32 %13, 512
  br label %15

15:                                               ; preds = %12, %8
  %16 = phi i1 [ false, %8 ], [ %14, %12 ]
  br i1 %16, label %17, label %18

17:                                               ; preds = %15
  br label %20

18:                                               ; preds = %15
  call void @__assert_fail(ptr noundef @.str.94, ptr noundef @.str.3, i32 noundef 4677, ptr noundef @__PRETTY_FUNCTION__._ZN5ImGui9IsKeyDownEi) #4
  unreachable

19:                                               ; No predecessors!
  br label %20

20:                                               ; preds = %19, %17
  %21 = load ptr, ptr %4, align 8, !tbaa !9
  %22 = getelementptr inbounds %struct.ImGuiContext, ptr %21, i32 0, i32 3
  %23 = getelementptr inbounds %struct.ImGuiIO, ptr %22, i32 0, i32 44
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [512 x i8], ptr %23, i64 0, i64 %25
  %27 = load i8, ptr %26, align 1, !tbaa !11, !range !13, !noundef !14
  %28 = trunc i8 %27 to i1
  store i1 %28, ptr %2, align 1
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %29

29:                                               ; preds = %20, %7
  %30 = load i1, ptr %2, align 1
  ret i1 %30
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { nounwind }
attributes #4 = { noreturn 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}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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"

@GImGui = external dso_local local_unnamed_addr global ptr, align 8
@.str.3 = external hidden unnamed_addr constant [108 x i8], align 1
@.str.94 = external hidden unnamed_addr constant [98 x i8], align 1
@__PRETTY_FUNCTION__._ZN5ImGui9IsKeyDownEi = external hidden unnamed_addr constant [27 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 nounwind uwtable
define dso_local noundef zeroext i1 @_ZN5ImGui9IsKeyDownEi(i32 noundef %0) local_unnamed_addr #1 {
  %2 = icmp slt i32 %0, 0
  br i1 %2, label %13, label %3

3:                                                ; preds = %1
  %4 = icmp ult i32 %0, 512
  br i1 %4, label %6, label %5

5:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str.94, ptr noundef nonnull @.str.3, i32 noundef 4677, ptr noundef nonnull @__PRETTY_FUNCTION__._ZN5ImGui9IsKeyDownEi) #2
  unreachable

6:                                                ; preds = %3
  %7 = load ptr, ptr @GImGui, align 8, !tbaa !5
  %8 = getelementptr inbounds i8, ptr %7, i64 324
  %9 = zext nneg i32 %0 to i64
  %10 = getelementptr inbounds [512 x i8], ptr %8, i64 0, i64 %9
  %11 = load i8, ptr %10, align 1, !tbaa !9, !range !11, !noundef !12
  %12 = trunc nuw i8 %11 to i1
  br label %13

13:                                               ; preds = %1, %6
  %.0 = phi i1 [ %12, %6 ], [ false, %1 ]
  ret i1 %.0
}

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 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 = { noreturn 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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}


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