; LLVM IR from jrouwe/JoltPhysics :: Jolt/Skeleton (SkeletonPose)

; 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"

%"class.JPH::Mat44" = type { [4 x %"class.JPH::Vec4"] }
%"class.JPH::Vec4" = type { %union.anon.6 }
%union.anon.6 = type { <4 x float> }
%"class.JPH::SkeletonPose" = type { %"class.JPH::RefConst", %"class.JPH::Vec3", %"class.JPH::Array", %"class.JPH::Array.0" }
%"class.JPH::RefConst" = type { ptr }
%"class.JPH::Vec3" = type { %union.anon }
%union.anon = type { <4 x float> }
%"class.JPH::Array" = type { i64, i64, ptr }
%"class.JPH::Array.0" = type { i64, i64, ptr }

; 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZNK3JPH17SkeletalAnimation10JointState8ToMatrixEv(ptr dead_on_unwind noalias writable sret(%"class.JPH::Mat44") align 16, ptr noundef nonnull align 16 dereferenceable(32)) #2 align 2

; 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) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3JPH12SkeletonPose32CalculateLocalSpaceJointMatricesEPNS_5Mat44E(ptr noundef nonnull align 16 dereferenceable(80) %0, ptr noundef %1) #4 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.JPH::Mat44", align 16
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 0, ptr %5, align 4, !tbaa !9
  br label %8

8:                                                ; preds = %24, %2
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = getelementptr inbounds %"class.JPH::SkeletonPose", ptr %7, i32 0, i32 2
  %11 = call noundef i64 @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10)
  %12 = trunc i64 %11 to i32
  %13 = icmp slt i32 %9, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %8
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  br label %27

15:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 64, ptr %6) #5
  %16 = getelementptr inbounds %"class.JPH::SkeletonPose", ptr %7, i32 0, i32 2
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %18)
  call void @_ZNK3JPH17SkeletalAnimation10JointState8ToMatrixEv(ptr dead_on_unwind writable sret(%"class.JPH::Mat44") align 16 %6, ptr noundef nonnull align 16 dereferenceable(32) %19)
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = load i32, ptr %5, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds %"class.JPH::Mat44", ptr %20, i64 %22
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %23, ptr align 16 %6, i64 64, i1 false), !tbaa.struct !11
  call void @llvm.lifetime.end.p0(i64 64, ptr %6) #5
  br label %24

24:                                               ; preds = %15
  %25 = load i32, ptr %5, align 4, !tbaa !9
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %5, align 4, !tbaa !9
  br label %8, !llvm.loop !13

27:                                               ; preds = %14
  ret void
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { inlinehint 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 #3 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 = !{!"int", !7, i64 0}
!11 = !{i64 0, i64 64, !12}
!12 = !{!7, !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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"

%"class.JPH::Mat44" = type { [4 x %"class.JPH::Vec4"] }
%"class.JPH::Vec4" = type { %union.anon.6 }
%union.anon.6 = type { <4 x float> }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZNK3JPH17SkeletalAnimation10JointState8ToMatrixEv(ptr dead_on_unwind noalias writable sret(%"class.JPH::Mat44") align 16, ptr noundef nonnull align 16 dereferenceable(32)) local_unnamed_addr #2 align 2

; 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) #3

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK3JPH12SkeletonPose32CalculateLocalSpaceJointMatricesEPNS_5Mat44E(ptr noundef nonnull align 16 dereferenceable(80) %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #4 align 2 {
  %3 = alloca %"class.JPH::Mat44", align 16
  %4 = getelementptr inbounds i8, ptr %0, i64 32
  %5 = tail call noundef i64 @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4)
  %6 = trunc i64 %5 to i32
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %2 ]
  call void @llvm.lifetime.start.p0(i64 64, ptr nonnull %3) #5
  %8 = call noundef nonnull align 16 dereferenceable(32) ptr @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv)
  call void @_ZNK3JPH17SkeletalAnimation10JointState8ToMatrixEv(ptr dead_on_unwind nonnull writable sret(%"class.JPH::Mat44") align 16 %3, ptr noundef nonnull align 16 dereferenceable(32) %8)
  %9 = getelementptr inbounds %"class.JPH::Mat44", ptr %1, i64 %indvars.iv
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(64) %9, ptr noundef nonnull align 16 dereferenceable(64) %3, i64 64, i1 false), !tbaa.struct !5
  call void @llvm.lifetime.end.p0(i64 64, ptr nonnull %3) #5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %10 = call noundef i64 @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %4)
  %sext = shl i64 %10, 32
  %11 = ashr exact i64 %sext, 32
  %12 = icmp slt i64 %indvars.iv.next, %11
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef nonnull align 16 dereferenceable(32) ptr @_ZNK3JPH5ArrayINS_17SkeletalAnimation10JointStateENS_12STLAllocatorIS2_EEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { inlinehint 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 #3 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { 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 = !{i64 0, i64 64, !6}
!6 = !{!7, !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass