; LLVM IR from ThePhysicsGuys/Physics3D :: graphics/debug/guiDebug.ll (ZN3P3D8Graphics10renderQuadEv)

; 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"

@_ZZN3P3D8Graphics10renderQuadEvE3VAO = external hidden global i32, align 4
@_ZZN3P3D8Graphics10renderQuadEvE3VBO = external hidden global i32, align 4
@__const._ZN3P3D8Graphics10renderQuadEv.vertices = external hidden unnamed_addr constant [16 x float], align 16
@__glewGenVertexArrays = external global ptr, align 8
@__glewGenBuffers = external global ptr, align 8
@__glewBindVertexArray = external global ptr, align 8
@__glewBindBuffer = external global ptr, align 8
@__glewBufferData = external global ptr, align 8
@__glewEnableVertexAttribArray = external global ptr, align 8
@__glewVertexAttribPointer = external global ptr, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3P3D8Graphics10renderQuadEv() #0 {
  %1 = alloca [16 x float], align 16
  %2 = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VAO, align 4, !tbaa !5
  %3 = icmp eq i32 %2, 0
  br i1 %3, label %4, label %14

4:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 64, ptr %1) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %1, ptr align 16 @__const._ZN3P3D8Graphics10renderQuadEv.vertices, i64 64, i1 false)
  %5 = load ptr, ptr @__glewGenVertexArrays, align 8, !tbaa !9
  call void %5(i32 noundef 1, ptr noundef @_ZZN3P3D8Graphics10renderQuadEvE3VAO)
  %6 = load ptr, ptr @__glewGenBuffers, align 8, !tbaa !9
  call void %6(i32 noundef 1, ptr noundef @_ZZN3P3D8Graphics10renderQuadEvE3VBO)
  %7 = load ptr, ptr @__glewBindVertexArray, align 8, !tbaa !9
  %8 = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VAO, align 4, !tbaa !5
  call void %7(i32 noundef %8)
  %9 = load ptr, ptr @__glewBindBuffer, align 8, !tbaa !9
  %10 = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VBO, align 4, !tbaa !5
  call void %9(i32 noundef 34962, i32 noundef %10)
  %11 = load ptr, ptr @__glewBufferData, align 8, !tbaa !9
  call void %11(i32 noundef 34962, i64 noundef 64, ptr noundef %1, i32 noundef 35044)
  %12 = load ptr, ptr @__glewEnableVertexAttribArray, align 8, !tbaa !9
  call void %12(i32 noundef 0)
  %13 = load ptr, ptr @__glewVertexAttribPointer, align 8, !tbaa !9
  call void %13(i32 noundef 0, i32 noundef 4, i32 noundef 5126, i8 noundef zeroext 0, i32 noundef 16, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 64, ptr %1) #4
  br label %14

14:                                               ; preds = %4, %0
  %15 = load ptr, ptr @__glewBindVertexArray, align 8, !tbaa !9
  %16 = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VAO, align 4, !tbaa !5
  call void %15(i32 noundef %16)
  call void @glDrawArrays(i32 noundef 5, i32 noundef 0, i32 noundef 4)
  %17 = load ptr, ptr @__glewBindVertexArray, align 8, !tbaa !9
  call void %17(i32 noundef 0)
  ret void
}

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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

declare void @glDrawArrays(i32 noundef, i32 noundef, i32 noundef) #3

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 }

!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"

@_ZZN3P3D8Graphics10renderQuadEvE3VAO = external hidden global i32, align 4
@_ZZN3P3D8Graphics10renderQuadEvE3VBO = external hidden global i32, align 4
@__const._ZN3P3D8Graphics10renderQuadEv.vertices = external hidden unnamed_addr constant [16 x float], align 16
@__glewGenVertexArrays = external local_unnamed_addr global ptr, align 8
@__glewGenBuffers = external local_unnamed_addr global ptr, align 8
@__glewBindVertexArray = external local_unnamed_addr global ptr, align 8
@__glewBindBuffer = external local_unnamed_addr global ptr, align 8
@__glewBufferData = external local_unnamed_addr global ptr, align 8
@__glewEnableVertexAttribArray = external local_unnamed_addr global ptr, align 8
@__glewVertexAttribPointer = external local_unnamed_addr global ptr, align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3P3D8Graphics10renderQuadEv() local_unnamed_addr #0 {
  %1 = alloca [16 x float], align 16
  %2 = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VAO, align 4, !tbaa !5
  %3 = icmp eq i32 %2, 0
  br i1 %3, label %4, label %14

4:                                                ; preds = %0
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %1) #4
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %1, ptr noundef nonnull align 16 dereferenceable(64) @__const._ZN3P3D8Graphics10renderQuadEv.vertices, i64 64, i1 false)
  %5 = load ptr, ptr @__glewGenVertexArrays, align 8, !tbaa !9
  tail call void %5(i32 noundef 1, ptr noundef nonnull @_ZZN3P3D8Graphics10renderQuadEvE3VAO)
  %6 = load ptr, ptr @__glewGenBuffers, align 8, !tbaa !9
  tail call void %6(i32 noundef 1, ptr noundef nonnull @_ZZN3P3D8Graphics10renderQuadEvE3VBO)
  %7 = load ptr, ptr @__glewBindVertexArray, align 8, !tbaa !9
  %8 = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VAO, align 4, !tbaa !5
  tail call void %7(i32 noundef %8)
  %9 = load ptr, ptr @__glewBindBuffer, align 8, !tbaa !9
  %10 = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VBO, align 4, !tbaa !5
  tail call void %9(i32 noundef 34962, i32 noundef %10)
  %11 = load ptr, ptr @__glewBufferData, align 8, !tbaa !9
  call void %11(i32 noundef 34962, i64 noundef 64, ptr noundef nonnull %1, i32 noundef 35044)
  %12 = load ptr, ptr @__glewEnableVertexAttribArray, align 8, !tbaa !9
  call void %12(i32 noundef 0)
  %13 = load ptr, ptr @__glewVertexAttribPointer, align 8, !tbaa !9
  call void %13(i32 noundef 0, i32 noundef 4, i32 noundef 5126, i8 noundef zeroext 0, i32 noundef 16, ptr noundef null)
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %1) #4
  %.pre = load i32, ptr @_ZZN3P3D8Graphics10renderQuadEvE3VAO, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %4, %0
  %15 = phi i32 [ %.pre, %4 ], [ %2, %0 ]
  %16 = load ptr, ptr @__glewBindVertexArray, align 8, !tbaa !9
  call void %16(i32 noundef %15)
  call void @glDrawArrays(i32 noundef 5, i32 noundef 0, i32 noundef 4)
  %17 = load ptr, ptr @__glewBindVertexArray, align 8, !tbaa !9
  call void %17(i32 noundef 0)
  ret void
}

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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

declare void @glDrawArrays(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #3

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { "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 }

!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}


; Effective O3 passes: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,TailCallElimPass