; LLVM IR from goldest-star/seawave-animation :: src/scenes/3D_graphics/01_modeling (modeling)

; 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.vcl::buffer_stack" = type { float, float, float }

; 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: 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) #1

declare void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12), float noundef, float noundef, float noundef) unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local noundef float @_Z25evaluate_perlin_terrain_zffRK19gui_scene_structure(float noundef, float noundef, ptr noundef nonnull align 4 dereferenceable(20)) #3

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_Z23evaluate_perlin_terrainffRK19gui_scene_structure(float noundef %0, float noundef %1, ptr noundef nonnull align 4 dereferenceable(20) %2) #3 {
  %4 = alloca %"struct.vcl::buffer_stack", align 4
  %5 = alloca float, align 4
  %6 = alloca float, align 4
  %7 = alloca ptr, align 8
  %8 = alloca float, align 4
  %9 = alloca float, align 4
  %10 = alloca float, align 4
  %11 = alloca { <2 x float>, float }, align 8
  store float %0, ptr %5, align 4, !tbaa !5
  store float %1, ptr %6, align 4, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %12 = load float, ptr %5, align 4, !tbaa !5
  %13 = fsub float %12, 5.000000e-01
  %14 = fmul float 2.000000e+01, %13
  store float %14, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %15 = load float, ptr %6, align 4, !tbaa !5
  %16 = fsub float %15, 5.000000e-01
  %17 = fmul float 2.000000e+01, %16
  store float %17, ptr %9, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %18 = load float, ptr %5, align 4, !tbaa !5
  %19 = load float, ptr %6, align 4, !tbaa !5
  %20 = load ptr, ptr %7, align 8, !tbaa !9
  %21 = call noundef float @_Z25evaluate_perlin_terrain_zffRK19gui_scene_structure(float noundef %18, float noundef %19, ptr noundef nonnull align 4 dereferenceable(20) %20)
  store float %21, ptr %10, align 4, !tbaa !5
  %22 = load float, ptr %8, align 4, !tbaa !5
  %23 = load float, ptr %9, align 4, !tbaa !5
  %24 = load float, ptr %10, align 4, !tbaa !5
  call void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12) %4, float noundef %22, float noundef %23, float noundef %24)
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %11, ptr align 4 %4, i64 12, i1 false)
  %25 = load { <2 x float>, float }, ptr %11, align 8
  ret { <2 x float>, float } %25
}

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

%"struct.vcl::buffer_stack" = type { float, float, float }

declare void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12), float noundef, float noundef, float noundef) unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef float @_Z25evaluate_perlin_terrain_zffRK19gui_scene_structure(float noundef, float noundef, ptr noundef nonnull align 4 dereferenceable(20)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local { <2 x float>, float } @_Z23evaluate_perlin_terrainffRK19gui_scene_structure(float noundef %0, float noundef %1, ptr noundef nonnull align 4 dereferenceable(20) %2) local_unnamed_addr #1 {
  %4 = alloca %"struct.vcl::buffer_stack", align 8
  %5 = fadd float %0, -5.000000e-01
  %6 = fmul float %5, 2.000000e+01
  %7 = fadd float %1, -5.000000e-01
  %8 = fmul float %7, 2.000000e+01
  %9 = tail call noundef float @_Z25evaluate_perlin_terrain_zffRK19gui_scene_structure(float noundef %0, float noundef %1, ptr noundef nonnull align 4 dereferenceable(20) %2)
  call void @_ZN3vcl12buffer_stackIfLm3EEC1Efff(ptr noundef nonnull align 4 dereferenceable(12) %4, float noundef %6, float noundef %8, float noundef %9)
  %.sroa.0.0.copyload = load <2 x float>, ptr %4, align 8
  %.sroa.2.0..sroa_idx = getelementptr inbounds i8, ptr %4, i64 8
  %.sroa.2.0.copyload = load float, ptr %.sroa.2.0..sroa_idx, align 8
  %.fca.0.insert = insertvalue { <2 x float>, float } poison, <2 x float> %.sroa.0.0.copyload, 0
  %.fca.1.insert = insertvalue { <2 x float>, float } %.fca.0.insert, float %.sroa.2.0.copyload, 1
  ret { <2 x float>, float } %.fca.1.insert
}

attributes #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" }

!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)"}


; Effective O3 passes: GlobalOptPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass