; LLVM IR from tsotchke/quantum_geometric_tensor :: src/quantum_geometric/core (simd_operations)

; 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.ComplexFloat = type { float, float }

@.str.3 = external hidden unnamed_addr constant [47 x i8], align 1

declare void @geometric_log_error(ptr noundef, ...) #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 double @simd_complex_norm(ptr noundef %0, i64 noundef %1) #2 {
  %3 = alloca double, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca float, align 4
  %7 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %11, label %10

10:                                               ; preds = %2
  call void (ptr, ...) @geometric_log_error(ptr noundef @.str.3)
  store double 0.000000e+00, ptr %3, align 8
  br label %32

11:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #5
  store float 0.000000e+00, ptr %6, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %25, %11
  %13 = load i64, ptr %7, align 8, !tbaa !9
  %14 = load i64, ptr %5, align 8, !tbaa !9
  %15 = icmp ult i64 %13, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %28

17:                                               ; preds = %12
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = load i64, ptr %7, align 8, !tbaa !9
  %20 = getelementptr inbounds %struct.ComplexFloat, ptr %18, i64 %19
  %21 = load <2 x float>, ptr %20, align 4
  %22 = call float @complex_float_abs_squared(<2 x float> %21)
  %23 = load float, ptr %6, align 4, !tbaa !11
  %24 = fadd float %23, %22
  store float %24, ptr %6, align 4, !tbaa !11
  br label %25

25:                                               ; preds = %17
  %26 = load i64, ptr %7, align 8, !tbaa !9
  %27 = add i64 %26, 1
  store i64 %27, ptr %7, align 8, !tbaa !9
  br label %12, !llvm.loop !13

28:                                               ; preds = %16
  %29 = load float, ptr %6, align 4, !tbaa !11
  %30 = call float @sqrtf(float noundef %29) #5
  %31 = fpext float %30 to double
  store double %31, ptr %3, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #5
  br label %32

32:                                               ; preds = %28, %10
  %33 = load double, ptr %3, align 8
  ret double %33
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden float @complex_float_abs_squared(<2 x float>) #3

; Function Attrs: nounwind
declare float @sqrtf(float noundef) #4

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind 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 #3 = { inlinehint nounwind 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 #4 = { nounwind "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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !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"

%struct.ComplexFloat = type { float, float }

@.str.3 = external hidden unnamed_addr constant [47 x i8], align 1

declare void @geometric_log_error(ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local double @simd_complex_norm(ptr noundef readonly %0, i64 noundef %1) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %3, label %.preheader

.preheader:                                       ; preds = %2
  %.not13 = icmp eq i64 %1, 0
  br i1 %.not13, label %._crit_edge, label %.lr.ph

3:                                                ; preds = %2
  tail call void (ptr, ...) @geometric_log_error(ptr noundef nonnull @.str.3) #4
  br label %11

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  %.08.lcssa = phi float [ 0.000000e+00, %.preheader ], [ %9, %.lr.ph ]
  %4 = tail call float @sqrtf(float noundef %.08.lcssa) #4
  %5 = fpext float %4 to double
  br label %11

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %.012 = phi i64 [ %10, %.lr.ph ], [ 0, %.preheader ]
  %.0811 = phi float [ %9, %.lr.ph ], [ 0.000000e+00, %.preheader ]
  %6 = getelementptr inbounds %struct.ComplexFloat, ptr %0, i64 %.012
  %7 = load <2 x float>, ptr %6, align 4
  %8 = tail call float @complex_float_abs_squared(<2 x float> %7)
  %9 = fadd float %.0811, %8
  %10 = add nuw i64 %.012, 1
  %exitcond.not = icmp eq i64 %10, %1
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

11:                                               ; preds = %._crit_edge, %3
  %.09 = phi double [ %5, %._crit_edge ], [ 0.000000e+00, %3 ]
  ret double %.09
}

; Function Attrs: inlinehint nounwind uwtable
declare hidden float @complex_float_abs_squared(<2 x float>) local_unnamed_addr #2

; Function Attrs: mustprogress nofree nounwind willreturn memory(write)
declare float @sqrtf(float noundef) local_unnamed_addr #3

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 = { nounwind 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 = { inlinehint nounwind 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 #3 = { mustprogress nofree nounwind willreturn memory(write) "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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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