; LLVM IR from jgaeddert/liquid-dsp :: src/utility/src (shift_array)

; 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"

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @liquid_lcircshift(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i32 %2, ptr %7, align 4, !tbaa !9
  %9 = load i32, ptr %6, align 4, !tbaa !9
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %11, label %12

11:                                               ; preds = %3
  store i32 0, ptr %4, align 4
  br label %58

12:                                               ; preds = %3
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = load i32, ptr %6, align 4, !tbaa !9
  %15 = urem i32 %13, %14
  store i32 %15, ptr %7, align 4, !tbaa !9
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = load i32, ptr %6, align 4, !tbaa !9
  %18 = lshr i32 %17, 1
  %19 = icmp ugt i32 %16, %18
  br i1 %19, label %20, label %27

20:                                               ; preds = %12
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = load i32, ptr %6, align 4, !tbaa !9
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = sub i32 %23, %24
  %26 = call i32 @liquid_rcircshift(ptr noundef %21, i32 noundef %22, i32 noundef %25)
  store i32 %26, ptr %4, align 4
  br label %58

27:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %28 = load i32, ptr %7, align 4, !tbaa !9
  %29 = zext i32 %28 to i64
  %30 = mul i64 %29, 1
  %31 = call noalias ptr @malloc(i64 noundef %30) #6
  store ptr %31, ptr %8, align 8, !tbaa !5
  %32 = load ptr, ptr %8, align 8, !tbaa !5
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = load i32, ptr %7, align 4, !tbaa !9
  %35 = zext i32 %34 to i64
  %36 = mul i64 %35, 1
  call void @llvm.memmove.p0.p0.i64(ptr align 1 %32, ptr align 1 %33, i64 %36, i1 false)
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = load i32, ptr %7, align 4, !tbaa !9
  %40 = zext i32 %39 to i64
  %41 = getelementptr inbounds i8, ptr %38, i64 %40
  %42 = load i32, ptr %6, align 4, !tbaa !9
  %43 = load i32, ptr %7, align 4, !tbaa !9
  %44 = sub i32 %42, %43
  %45 = zext i32 %44 to i64
  %46 = mul i64 %45, 1
  call void @llvm.memmove.p0.p0.i64(ptr align 1 %37, ptr align 1 %41, i64 %46, i1 false)
  %47 = load ptr, ptr %5, align 8, !tbaa !5
  %48 = load i32, ptr %6, align 4, !tbaa !9
  %49 = load i32, ptr %7, align 4, !tbaa !9
  %50 = sub i32 %48, %49
  %51 = zext i32 %50 to i64
  %52 = getelementptr inbounds i8, ptr %47, i64 %51
  %53 = load ptr, ptr %8, align 8, !tbaa !5
  %54 = load i32, ptr %7, align 4, !tbaa !9
  %55 = zext i32 %54 to i64
  %56 = mul i64 %55, 1
  call void @llvm.memmove.p0.p0.i64(ptr align 1 %52, ptr align 1 %53, i64 %56, i1 false)
  %57 = load ptr, ptr %8, align 8, !tbaa !5
  call void @free(ptr noundef %57) #5
  store i32 0, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  br label %58

58:                                               ; preds = %27, %20, %11
  %59 = load i32, ptr %4, align 4
  ret i32 %59
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @liquid_rcircshift(ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { nocallback nofree 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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { nounwind allocsize(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 "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 }
attributes #6 = { nounwind allocsize(0) }

!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 = !{!"int", !7, i64 0}


; 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: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memmove.p0.p0.i64(ptr nocapture writeonly, ptr nocapture readonly, i64, i1 immarg) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @liquid_lcircshift(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = icmp eq i32 %1, 0
  br i1 %4, label %19, label %5

5:                                                ; preds = %3
  %6 = urem i32 %2, %1
  %7 = lshr i32 %1, 1
  %8 = icmp ugt i32 %6, %7
  br i1 %8, label %9, label %12

9:                                                ; preds = %5
  %10 = sub i32 %1, %6
  %11 = tail call i32 @liquid_rcircshift(ptr noundef %0, i32 noundef %1, i32 noundef %10)
  br label %19

12:                                               ; preds = %5
  %13 = zext nneg i32 %6 to i64
  %14 = tail call noalias ptr @malloc(i64 noundef %13) #5
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %14, ptr align 1 %0, i64 %13, i1 false)
  %15 = getelementptr inbounds i8, ptr %0, i64 %13
  %16 = sub i32 %1, %6
  %17 = zext i32 %16 to i64
  tail call void @llvm.memmove.p0.p0.i64(ptr align 1 %0, ptr align 1 %15, i64 %17, i1 false)
  %18 = getelementptr inbounds i8, ptr %0, i64 %17
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %18, ptr align 1 %14, i64 %13, i1 false)
  tail call void @free(ptr noundef %14) #6
  br label %19

19:                                               ; preds = %3, %12, %9
  %.0 = phi i32 [ %11, %9 ], [ 0, %12 ], [ 0, %3 ]
  ret i32 %.0
}

; Function Attrs: nounwind uwtable
declare dso_local i32 @liquid_rcircshift(ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; 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) #4

attributes #0 = { mustprogress nocallback nofree 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 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { nounwind allocsize(0) }
attributes #6 = { 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,IPSCCPPass,InferFunctionAttrsPass,MemCpyOptPass,SROAPass,SimplifyCFGPass,TailCallElimPass