; LLVM IR from eclipse-threadx/threadx :: ports_arch/ARMv7-M/threadx_modules/common/module_manager/src/txm_module_manager_d746bc08 (get)

; 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: nounwind uwtable
define dso_local i64 @_txm_module_manager_region_size_get(i64 noundef %0) #0 {
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  store i64 %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #2
  store i64 5, ptr %4, align 8, !tbaa !5
  %6 = load i64, ptr %3, align 8, !tbaa !5
  %7 = icmp ule i64 %6, 32
  br i1 %7, label %8, label %9

8:                                                ; preds = %1
  store i64 4, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %23

9:                                                ; preds = %1
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = lshr i64 %10, 6
  store i64 %11, ptr %3, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %16, %9
  %13 = load i64, ptr %3, align 8, !tbaa !5
  %14 = and i64 %13, 1
  %15 = icmp eq i64 %14, 0
  br i1 %15, label %16, label %21

16:                                               ; preds = %12
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = lshr i64 %17, 1
  store i64 %18, ptr %3, align 8, !tbaa !5
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = add i64 %19, 1
  store i64 %20, ptr %4, align 8, !tbaa !5
  br label %12, !llvm.loop !9

21:                                               ; preds = %12
  %22 = load i64, ptr %4, align 8, !tbaa !5
  store i64 %22, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %23

23:                                               ; preds = %21, %8
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #2
  %24 = load i64, ptr %2, align 8
  ret i64 %24
}

; 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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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"

; Function Attrs: nofree norecurse nosync nounwind memory(none) uwtable
define dso_local i64 @_txm_module_manager_region_size_get(i64 noundef %0) local_unnamed_addr #0 {
  %2 = icmp ult i64 %0, 33
  br i1 %2, label %.loopexit, label %3

3:                                                ; preds = %1
  %4 = and i64 %0, 64
  %5 = icmp eq i64 %4, 0
  br i1 %5, label %.lr.ph.preheader, label %.loopexit

.lr.ph.preheader:                                 ; preds = %3
  %6 = lshr i64 %0, 6
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.011 = phi i64 [ %8, %.lr.ph ], [ 5, %.lr.ph.preheader ]
  %.0710 = phi i64 [ %7, %.lr.ph ], [ %6, %.lr.ph.preheader ]
  %7 = lshr exact i64 %.0710, 1
  %8 = add i64 %.011, 1
  %9 = and i64 %.0710, 2
  %10 = icmp eq i64 %9, 0
  br i1 %10, label %.lr.ph, label %.loopexit, !llvm.loop !5

.loopexit:                                        ; preds = %.lr.ph, %3, %1
  %.08 = phi i64 [ 4, %1 ], [ 5, %3 ], [ %8, %.lr.ph ]
  ret i64 %.08
}

attributes #0 = { nofree norecurse nosync nounwind memory(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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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