; LLVM IR from ESPboy-edu/ESPboy_tinyphysicsengine :: programs (hello)

; 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.TPE_Vec3 = type { i32, i32, i32 }

; 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) #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 uwtable
define dso_local { i64, i32 } @TPE_vec3ProjectNormalized(i64 %0, i32 %1, i64 %2, i32 %3) #2 {
  %5 = alloca %struct.TPE_Vec3, align 4
  %6 = alloca %struct.TPE_Vec3, align 4
  %7 = alloca { i64, i32 }, align 4
  %8 = alloca %struct.TPE_Vec3, align 4
  %9 = alloca { i64, i32 }, align 4
  %10 = alloca i32, align 4
  %11 = alloca { i64, i32 }, align 4
  %12 = alloca { i64, i32 }, align 4
  %13 = alloca { i64, i32 }, align 8
  %14 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 0
  store i64 %0, ptr %14, align 4
  %15 = getelementptr inbounds { i64, i32 }, ptr %7, i32 0, i32 1
  store i32 %1, ptr %15, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %6, ptr align 4 %7, i64 12, i1 false)
  %16 = getelementptr inbounds { i64, i32 }, ptr %9, i32 0, i32 0
  store i64 %2, ptr %16, align 4
  %17 = getelementptr inbounds { i64, i32 }, ptr %9, i32 0, i32 1
  store i32 %3, ptr %17, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %8, ptr align 4 %9, i64 12, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %11, ptr align 4 %6, i64 12, i1 false)
  %18 = getelementptr inbounds { i64, i32 }, ptr %11, i32 0, i32 0
  %19 = load i64, ptr %18, align 4
  %20 = getelementptr inbounds { i64, i32 }, ptr %11, i32 0, i32 1
  %21 = load i32, ptr %20, align 4
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %12, ptr align 4 %8, i64 12, i1 false)
  %22 = getelementptr inbounds { i64, i32 }, ptr %12, i32 0, i32 0
  %23 = load i64, ptr %22, align 4
  %24 = getelementptr inbounds { i64, i32 }, ptr %12, i32 0, i32 1
  %25 = load i32, ptr %24, align 4
  %26 = call i32 @TPE_vec3Dot(i64 %19, i32 %21, i64 %23, i32 %25)
  store i32 %26, ptr %10, align 4, !tbaa !5
  %27 = load i32, ptr %10, align 4, !tbaa !5
  %28 = getelementptr inbounds %struct.TPE_Vec3, ptr %8, i32 0, i32 0
  %29 = load i32, ptr %28, align 4, !tbaa !9
  %30 = mul nsw i32 %27, %29
  %31 = sdiv i32 %30, 512
  %32 = getelementptr inbounds %struct.TPE_Vec3, ptr %5, i32 0, i32 0
  store i32 %31, ptr %32, align 4, !tbaa !9
  %33 = load i32, ptr %10, align 4, !tbaa !5
  %34 = getelementptr inbounds %struct.TPE_Vec3, ptr %8, i32 0, i32 1
  %35 = load i32, ptr %34, align 4, !tbaa !11
  %36 = mul nsw i32 %33, %35
  %37 = sdiv i32 %36, 512
  %38 = getelementptr inbounds %struct.TPE_Vec3, ptr %5, i32 0, i32 1
  store i32 %37, ptr %38, align 4, !tbaa !11
  %39 = load i32, ptr %10, align 4, !tbaa !5
  %40 = getelementptr inbounds %struct.TPE_Vec3, ptr %8, i32 0, i32 2
  %41 = load i32, ptr %40, align 4, !tbaa !12
  %42 = mul nsw i32 %39, %41
  %43 = sdiv i32 %42, 512
  %44 = getelementptr inbounds %struct.TPE_Vec3, ptr %5, i32 0, i32 2
  store i32 %43, ptr %44, align 4, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %13, ptr align 4 %5, i64 12, i1 false)
  %45 = load { i64, i32 }, ptr %13, align 8
  ret { i64, i32 } %45
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @TPE_vec3Dot(i64, i32, i64, i32) #2

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

!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/C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"", !6, i64 0, !6, i64 4, !6, i64 8}
!11 = !{!10, !6, i64 4}
!12 = !{!10, !6, i64 8}


; 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"

; Function Attrs: nounwind uwtable
define dso_local { i64, i32 } @TPE_vec3ProjectNormalized(i64 %0, i32 %1, i64 %2, i32 %3) local_unnamed_addr #0 {
  %.sroa.09.0.extract.trunc = trunc i64 %2 to i32
  %.sroa.3.0.extract.shift = lshr i64 %2, 32
  %.sroa.3.0.extract.trunc = trunc nuw i64 %.sroa.3.0.extract.shift to i32
  %5 = tail call i32 @TPE_vec3Dot(i64 %0, i32 %1, i64 %2, i32 %3)
  %6 = mul nsw i32 %5, %.sroa.09.0.extract.trunc
  %7 = sdiv i32 %6, 512
  %8 = mul nsw i32 %5, %.sroa.3.0.extract.trunc
  %9 = sdiv i32 %8, 512
  %10 = mul nsw i32 %5, %3
  %11 = sdiv i32 %10, 512
  %.sroa.216.0.insert.ext = zext i32 %9 to i64
  %.sroa.216.0.insert.shift = shl nuw i64 %.sroa.216.0.insert.ext, 32
  %.sroa.015.0.insert.ext = zext i32 %7 to i64
  %.sroa.015.0.insert.insert = or disjoint i64 %.sroa.216.0.insert.shift, %.sroa.015.0.insert.ext
  %.fca.0.insert = insertvalue { i64, i32 } poison, i64 %.sroa.015.0.insert.insert, 0
  %.fca.1.insert = insertvalue { i64, i32 } %.fca.0.insert, i32 %11, 1
  ret { i64, i32 } %.fca.1.insert
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @TPE_vec3Dot(i64, i32, i64, i32) local_unnamed_addr #0

attributes #0 = { 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" }

!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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,ReassociatePass,SROAPass,TailCallElimPass