; LLVM IR from drohmer/cgp :: library/cgp/09_geometric_transformation/rotation_transform (rotation_transform)

; 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.cgp::rotation_transform" = type { %"struct.cgp::quaternion" }
%"struct.cgp::quaternion" = type { %"struct.cgp::numarray_stack" }
%"struct.cgp::numarray_stack" = type { float, 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: mustprogress uwtable
define dso_local { <2 x float>, <2 x float> } @_ZN3cgp18rotation_transform11from_matrixERKNS_12matrix_stackIfLi3ELi3EEE(ptr noundef nonnull align 4 dereferenceable(36) %0) #1 align 2 {
  %2 = alloca %"struct.cgp::rotation_transform", align 4
  %3 = alloca ptr, align 8
  %4 = alloca %"struct.cgp::quaternion", align 4
  %5 = alloca %"struct.cgp::quaternion", align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 16, ptr %5) #4
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = call { <2 x float>, <2 x float> } @_ZN3cgp18rotation_transform28convert_matrix_to_quaternionERKNS_12matrix_stackIfLi3ELi3EEE(ptr noundef nonnull align 4 dereferenceable(36) %6)
  %8 = getelementptr inbounds %"struct.cgp::quaternion", ptr %5, i32 0, i32 0
  %9 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %8, i32 0, i32 0
  %10 = extractvalue { <2 x float>, <2 x float> } %7, 0
  store <2 x float> %10, ptr %9, align 4
  %11 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %8, i32 0, i32 1
  %12 = extractvalue { <2 x float>, <2 x float> } %7, 1
  store <2 x float> %12, ptr %11, align 4
  %13 = call { <2 x float>, <2 x float> } @_ZN3cgp9normalizeERKNS_10quaternionE(ptr noundef nonnull align 4 dereferenceable(16) %5)
  %14 = getelementptr inbounds %"struct.cgp::quaternion", ptr %4, i32 0, i32 0
  %15 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %14, i32 0, i32 0
  %16 = extractvalue { <2 x float>, <2 x float> } %13, 0
  store <2 x float> %16, ptr %15, align 4
  %17 = getelementptr inbounds { <2 x float>, <2 x float> }, ptr %14, i32 0, i32 1
  %18 = extractvalue { <2 x float>, <2 x float> } %13, 1
  store <2 x float> %18, ptr %17, align 4
  call void @_ZN3cgp18rotation_transformC1ERKNS_10quaternionE(ptr noundef nonnull align 4 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(16) %4)
  call void @llvm.lifetime.end.p0(i64 16, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #4
  %19 = getelementptr inbounds %"struct.cgp::rotation_transform", ptr %2, i32 0, i32 0
  %20 = getelementptr inbounds %"struct.cgp::quaternion", ptr %19, i32 0, i32 0
  %21 = load { <2 x float>, <2 x float> }, ptr %20, align 4
  ret { <2 x float>, <2 x float> } %21
}

declare { <2 x float>, <2 x float> } @_ZN3cgp9normalizeERKNS_10quaternionE(ptr noundef nonnull align 4 dereferenceable(16)) #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZN3cgp18rotation_transform28convert_matrix_to_quaternionERKNS_12matrix_stackIfLi3ELi3EEE(ptr noundef nonnull align 4 dereferenceable(36)) #3 align 2

declare void @_ZN3cgp18rotation_transformC1ERKNS_10quaternionE(ptr, ptr)

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = { "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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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.cgp::rotation_transform" = type { %"struct.cgp::quaternion" }
%"struct.cgp::quaternion" = type { %"struct.cgp::numarray_stack" }
%"struct.cgp::numarray_stack" = type { float, float, float, 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: mustprogress uwtable
define dso_local { <2 x float>, <2 x float> } @_ZN3cgp18rotation_transform11from_matrixERKNS_12matrix_stackIfLi3ELi3EEE(ptr noundef nonnull align 4 dereferenceable(36) %0) local_unnamed_addr #1 align 2 {
  %2 = alloca %"struct.cgp::rotation_transform", align 8
  %3 = alloca %"struct.cgp::quaternion", align 8
  %4 = alloca %"struct.cgp::quaternion", align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #4
  %5 = tail call { <2 x float>, <2 x float> } @_ZN3cgp18rotation_transform28convert_matrix_to_quaternionERKNS_12matrix_stackIfLi3ELi3EEE(ptr noundef nonnull align 4 dereferenceable(36) %0)
  %6 = extractvalue { <2 x float>, <2 x float> } %5, 0
  store <2 x float> %6, ptr %4, align 8
  %7 = getelementptr inbounds i8, ptr %4, i64 8
  %8 = extractvalue { <2 x float>, <2 x float> } %5, 1
  store <2 x float> %8, ptr %7, align 8
  %9 = call { <2 x float>, <2 x float> } @_ZN3cgp9normalizeERKNS_10quaternionE(ptr noundef nonnull align 4 dereferenceable(16) %4)
  %10 = extractvalue { <2 x float>, <2 x float> } %9, 0
  store <2 x float> %10, ptr %3, align 8
  %11 = getelementptr inbounds i8, ptr %3, i64 8
  %12 = extractvalue { <2 x float>, <2 x float> } %9, 1
  store <2 x float> %12, ptr %11, align 8
  call void @_ZN3cgp18rotation_transformC1ERKNS_10quaternionE(ptr noundef nonnull align 4 dereferenceable(16) %2, ptr noundef nonnull align 4 dereferenceable(16) %3)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #4
  %.fca.0.load = load <2 x float>, ptr %2, align 8
  %.fca.0.insert = insertvalue { <2 x float>, <2 x float> } poison, <2 x float> %.fca.0.load, 0
  %.fca.1.gep = getelementptr inbounds i8, ptr %2, i64 8
  %.fca.1.load = load <2 x float>, ptr %.fca.1.gep, align 8
  %.fca.1.insert = insertvalue { <2 x float>, <2 x float> } %.fca.0.insert, <2 x float> %.fca.1.load, 1
  ret { <2 x float>, <2 x float> } %.fca.1.insert
}

declare { <2 x float>, <2 x float> } @_ZN3cgp9normalizeERKNS_10quaternionE(ptr noundef nonnull align 4 dereferenceable(16)) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
declare dso_local { <2 x float>, <2 x float> } @_ZN3cgp18rotation_transform28convert_matrix_to_quaternionERKNS_12matrix_stackIfLi3ELi3EEE(ptr noundef nonnull align 4 dereferenceable(36)) local_unnamed_addr #3 align 2

declare void @_ZN3cgp18rotation_transformC1ERKNS_10quaternionE(ptr, ptr) local_unnamed_addr

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress uwtable "min-legal-vector-width"="64" "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 = { "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)"}


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