; LLVM IR from HANDS-FREE/OpenRE :: 3_OS/STM32F1/RTOS/uCOS-III2/uC-LIB (lib_mem)

; 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.mem_pool = type { i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, i32, i32, i32, ptr, ptr, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @Mem_PoolClr(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %9

7:                                                ; preds = %2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 10001, ptr %8, align 4, !tbaa !9
  br label %47

9:                                                ; preds = %2
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.mem_pool, ptr %10, i32 0, i32 0
  store i32 1162760014, ptr %11, align 8, !tbaa !11
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.mem_pool, ptr %12, i32 0, i32 1
  store ptr null, ptr %13, align 8, !tbaa !13
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.mem_pool, ptr %14, i32 0, i32 2
  store ptr null, ptr %15, align 8, !tbaa !14
  %16 = load ptr, ptr %3, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.mem_pool, ptr %16, i32 0, i32 3
  store ptr null, ptr %17, align 8, !tbaa !15
  %18 = load ptr, ptr %3, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.mem_pool, ptr %18, i32 0, i32 4
  store ptr null, ptr %19, align 8, !tbaa !16
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.mem_pool, ptr %20, i32 0, i32 5
  store ptr null, ptr %21, align 8, !tbaa !17
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.mem_pool, ptr %22, i32 0, i32 6
  store ptr null, ptr %23, align 8, !tbaa !18
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.mem_pool, ptr %24, i32 0, i32 7
  store ptr null, ptr %25, align 8, !tbaa !19
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.mem_pool, ptr %26, i32 0, i32 8
  store ptr null, ptr %27, align 8, !tbaa !20
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.mem_pool, ptr %28, i32 0, i32 10
  store i32 0, ptr %29, align 4, !tbaa !21
  %30 = load ptr, ptr %3, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.mem_pool, ptr %30, i32 0, i32 13
  store i32 0, ptr %31, align 8, !tbaa !22
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.mem_pool, ptr %32, i32 0, i32 12
  store i32 0, ptr %33, align 4, !tbaa !23
  %34 = load ptr, ptr %3, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.mem_pool, ptr %34, i32 0, i32 11
  store i32 0, ptr %35, align 8, !tbaa !24
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.mem_pool, ptr %36, i32 0, i32 9
  store i32 0, ptr %37, align 8, !tbaa !25
  %38 = load ptr, ptr %3, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.mem_pool, ptr %38, i32 0, i32 14
  store ptr null, ptr %39, align 8, !tbaa !26
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct.mem_pool, ptr %40, i32 0, i32 15
  store ptr null, ptr %41, align 8, !tbaa !27
  %42 = load ptr, ptr %3, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.mem_pool, ptr %42, i32 0, i32 16
  store i32 0, ptr %43, align 8, !tbaa !28
  %44 = load ptr, ptr %3, align 8, !tbaa !5
  %45 = getelementptr inbounds %struct.mem_pool, ptr %44, i32 0, i32 17
  store i32 0, ptr %45, align 4, !tbaa !29
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 10000, ptr %46, align 4, !tbaa !9
  br label %47

47:                                               ; preds = %9, %7
  ret void
}

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" }

!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}
!11 = !{!12, !10, i64 0}
!12 = !{!"mem_pool", !10, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !10, i64 72, !10, i64 76, !10, i64 80, !10, i64 84, !10, i64 88, !6, i64 96, !6, i64 104, !10, i64 112, !10, i64 116}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !6, i64 16}
!15 = !{!12, !6, i64 24}
!16 = !{!12, !6, i64 32}
!17 = !{!12, !6, i64 40}
!18 = !{!12, !6, i64 48}
!19 = !{!12, !6, i64 56}
!20 = !{!12, !6, i64 64}
!21 = !{!12, !10, i64 76}
!22 = !{!12, !10, i64 88}
!23 = !{!12, !10, i64 84}
!24 = !{!12, !10, i64 80}
!25 = !{!12, !10, i64 72}
!26 = !{!12, !6, i64 96}
!27 = !{!12, !6, i64 104}
!28 = !{!12, !10, i64 112}
!29 = !{!12, !10, i64 116}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @Mem_PoolClr(ptr noundef writeonly %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %7, label %4

4:                                                ; preds = %2
  store i32 1162760014, ptr %0, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = getelementptr inbounds i8, ptr %0, i64 96
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(84) %5, i8 0, i64 84, i1 false)
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %6, i8 0, i64 24, i1 false)
  br label %7

7:                                                ; preds = %2, %4
  %storemerge = phi i32 [ 10000, %4 ], [ 10001, %2 ]
  store i32 %storemerge, ptr %1, align 4, !tbaa !11
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) 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 nounwind willreturn memory(argmem: write) }

!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, !7, i64 0}
!6 = !{!"mem_pool", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40, !10, i64 48, !10, i64 56, !10, i64 64, !7, i64 72, !7, i64 76, !7, i64 80, !7, i64 84, !7, i64 88, !10, i64 96, !10, i64 104, !7, i64 112, !7, i64 116}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!7, !7, i64 0}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass