; 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_Body = type { ptr, i8, ptr, i8, i16, i16, i16, i8, i8 }
%struct.TPE_Joint = type { %struct.TPE_Vec3, [3 x i16], i8 }
%struct.TPE_Vec3 = type { i32, i32, i32 }

; 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: nounwind uwtable
define dso_local void @TPE_bodyStop(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i16, align 2
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 2, ptr %3) #2
  store i16 0, ptr %3, align 2, !tbaa !9
  br label %4

4:                                                ; preds = %38, %1
  %5 = load i16, ptr %3, align 2, !tbaa !9
  %6 = zext i16 %5 to i32
  %7 = load ptr, ptr %2, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.TPE_Body, ptr %7, i32 0, i32 1
  %9 = load i8, ptr %8, align 8, !tbaa !11
  %10 = zext i8 %9 to i32
  %11 = icmp slt i32 %6, %10
  br i1 %11, label %13, label %12

12:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 2, ptr %3) #2
  br label %41

13:                                               ; preds = %4
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.TPE_Body, ptr %14, i32 0, i32 0
  %16 = load ptr, ptr %15, align 8, !tbaa !13
  %17 = load i16, ptr %3, align 2, !tbaa !9
  %18 = zext i16 %17 to i64
  %19 = getelementptr inbounds %struct.TPE_Joint, ptr %16, i64 %18
  %20 = getelementptr inbounds %struct.TPE_Joint, ptr %19, i32 0, i32 1
  %21 = getelementptr inbounds [3 x i16], ptr %20, i64 0, i64 0
  store i16 0, ptr %21, align 4, !tbaa !9
  %22 = load ptr, ptr %2, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.TPE_Body, ptr %22, i32 0, i32 0
  %24 = load ptr, ptr %23, align 8, !tbaa !13
  %25 = load i16, ptr %3, align 2, !tbaa !9
  %26 = zext i16 %25 to i64
  %27 = getelementptr inbounds %struct.TPE_Joint, ptr %24, i64 %26
  %28 = getelementptr inbounds %struct.TPE_Joint, ptr %27, i32 0, i32 1
  %29 = getelementptr inbounds [3 x i16], ptr %28, i64 0, i64 1
  store i16 0, ptr %29, align 2, !tbaa !9
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.TPE_Body, ptr %30, i32 0, i32 0
  %32 = load ptr, ptr %31, align 8, !tbaa !13
  %33 = load i16, ptr %3, align 2, !tbaa !9
  %34 = zext i16 %33 to i64
  %35 = getelementptr inbounds %struct.TPE_Joint, ptr %32, i64 %34
  %36 = getelementptr inbounds %struct.TPE_Joint, ptr %35, i32 0, i32 1
  %37 = getelementptr inbounds [3 x i16], ptr %36, i64 0, i64 2
  store i16 0, ptr %37, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %13
  %39 = load i16, ptr %3, align 2, !tbaa !9
  %40 = add i16 %39, 1
  store i16 %40, ptr %3, align 2, !tbaa !9
  br label %4, !llvm.loop !14

41:                                               ; preds = %12
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = !{!12, !7, i64 8}
!12 = !{!"", !6, i64 0, !7, i64 8, !6, i64 16, !7, i64 24, !10, i64 26, !10, i64 28, !10, i64 30, !7, i64 32, !7, i64 33}
!13 = !{!12, !6, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; 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.TPE_Joint = type { %struct.TPE_Vec3, [3 x i16], i8 }
%struct.TPE_Vec3 = type { i32, i32, i32 }

; Function Attrs: nofree norecurse nosync nounwind memory(write, argmem: readwrite, inaccessiblemem: none) uwtable
define dso_local void @TPE_bodyStop(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i8, ptr %2, align 8, !tbaa !5
  %.not = icmp eq i8 %3, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1
  %4 = load ptr, ptr %0, align 8, !tbaa !11
  %wide.trip.count = zext i8 %3 to i64
  %xtraiter = and i64 %wide.trip.count, 1
  %5 = icmp eq i8 %3, 1
  br i1 %5, label %._crit_edge.loopexit.unr-lcssa, label %.lr.ph.new

.lr.ph.new:                                       ; preds = %.lr.ph
  %unroll_iter = and i64 %wide.trip.count, 254
  br label %9

._crit_edge.loopexit.unr-lcssa:                   ; preds = %9, %.lr.ph
  %indvars.iv.unr = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next.1, %9 ]
  %lcmp.mod.not = icmp eq i64 %xtraiter, 0
  br i1 %lcmp.mod.not, label %._crit_edge, label %._crit_edge.loopexit.epilog-lcssa

._crit_edge.loopexit.epilog-lcssa:                ; preds = %._crit_edge.loopexit.unr-lcssa
  %6 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv.unr, i32 1
  store i16 0, ptr %6, align 4, !tbaa !12
  %7 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv.unr, i32 1, i64 1
  store i16 0, ptr %7, align 2, !tbaa !12
  %8 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv.unr, i32 1, i64 2
  store i16 0, ptr %8, align 4, !tbaa !12
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit.epilog-lcssa, %._crit_edge.loopexit.unr-lcssa, %1
  ret void

9:                                                ; preds = %9, %.lr.ph.new
  %indvars.iv = phi i64 [ 0, %.lr.ph.new ], [ %indvars.iv.next.1, %9 ]
  %niter = phi i64 [ 0, %.lr.ph.new ], [ %niter.next.1, %9 ]
  %10 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv, i32 1
  store i16 0, ptr %10, align 4, !tbaa !12
  %11 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv, i32 1, i64 1
  store i16 0, ptr %11, align 2, !tbaa !12
  %12 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv, i32 1, i64 2
  store i16 0, ptr %12, align 4, !tbaa !12
  %indvars.iv.next = or disjoint i64 %indvars.iv, 1
  %13 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv.next, i32 1
  store i16 0, ptr %13, align 4, !tbaa !12
  %14 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv.next, i32 1, i64 1
  store i16 0, ptr %14, align 2, !tbaa !12
  %15 = getelementptr inbounds %struct.TPE_Joint, ptr %4, i64 %indvars.iv.next, i32 1, i64 2
  store i16 0, ptr %15, align 4, !tbaa !12
  %indvars.iv.next.1 = add nuw nsw i64 %indvars.iv, 2
  %niter.next.1 = add i64 %niter, 2
  %niter.ncmp.1 = icmp eq i64 %niter.next.1, %unroll_iter
  br i1 %niter.ncmp.1, label %._crit_edge.loopexit.unr-lcssa, label %9, !llvm.loop !13
}

attributes #0 = { nofree norecurse nosync nounwind memory(write, argmem: readwrite, inaccessiblemem: none) 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)"}
!5 = !{!6, !8, i64 8}
!6 = !{!"", !7, i64 0, !8, i64 8, !7, i64 16, !8, i64 24, !10, i64 26, !10, i64 28, !10, i64 30, !8, i64 32, !8, i64 33}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!10, !10, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SCCPPass,SROAPass,SimplifyCFGPass