; LLVM IR from CactiLab/Sherloc-Cortex-M-CFVD :: Sherloc_runtime/evaluation/src/bubblesort (libbubblesort)

; 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"

@Array = external dso_local global [101 x i32], align 16
@factor = external dso_local global i32, align 4

; Function Attrs: nounwind uwtable
define dso_local void @initialise_benchmark_bubblesort() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #2
  store i32 -1, ptr @factor, align 4, !tbaa !5
  %3 = load i32, ptr @factor, align 4, !tbaa !5
  store i32 %3, ptr %2, align 4, !tbaa !5
  store i32 0, ptr %1, align 4, !tbaa !5
  br label %4

4:                                                ; preds = %14, %0
  %5 = load i32, ptr %1, align 4, !tbaa !5
  %6 = icmp slt i32 %5, 100
  br i1 %6, label %7, label %17

7:                                                ; preds = %4
  %8 = load i32, ptr %1, align 4, !tbaa !5
  %9 = load i32, ptr %2, align 4, !tbaa !5
  %10 = mul nsw i32 %8, %9
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [101 x i32], ptr @Array, i64 0, i64 %12
  store i32 %10, ptr %13, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %7
  %15 = load i32, ptr %1, align 4, !tbaa !5
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %1, align 4, !tbaa !5
  br label %4, !llvm.loop !9

17:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #2
  ret void
}

; 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 = !{!"int", !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"

@Array = external dso_local local_unnamed_addr global [101 x i32], align 16
@factor = external dso_local local_unnamed_addr global i32, align 4

; Function Attrs: nofree norecurse nosync nounwind memory(write, argmem: none, inaccessiblemem: none) uwtable
define dso_local void @initialise_benchmark_bubblesort() local_unnamed_addr #0 {
vector.ph:
  store i32 -1, ptr @factor, align 4, !tbaa !5
  store <4 x i32> <i32 0, i32 -1, i32 -2, i32 -3>, ptr @Array, align 16, !tbaa !5
  store <4 x i32> <i32 -4, i32 -5, i32 -6, i32 -7>, ptr getelementptr inbounds (i8, ptr @Array, i64 16), align 16, !tbaa !5
  store <4 x i32> <i32 -8, i32 -9, i32 -10, i32 -11>, ptr getelementptr inbounds (i8, ptr @Array, i64 32), align 16, !tbaa !5
  store <4 x i32> <i32 -12, i32 -13, i32 -14, i32 -15>, ptr getelementptr inbounds (i8, ptr @Array, i64 48), align 16, !tbaa !5
  store <4 x i32> <i32 -16, i32 -17, i32 -18, i32 -19>, ptr getelementptr inbounds (i8, ptr @Array, i64 64), align 16, !tbaa !5
  store <4 x i32> <i32 -20, i32 -21, i32 -22, i32 -23>, ptr getelementptr inbounds (i8, ptr @Array, i64 80), align 16, !tbaa !5
  store <4 x i32> <i32 -24, i32 -25, i32 -26, i32 -27>, ptr getelementptr inbounds (i8, ptr @Array, i64 96), align 16, !tbaa !5
  store <4 x i32> <i32 -28, i32 -29, i32 -30, i32 -31>, ptr getelementptr inbounds (i8, ptr @Array, i64 112), align 16, !tbaa !5
  store <4 x i32> <i32 -32, i32 -33, i32 -34, i32 -35>, ptr getelementptr inbounds (i8, ptr @Array, i64 128), align 16, !tbaa !5
  store <4 x i32> <i32 -36, i32 -37, i32 -38, i32 -39>, ptr getelementptr inbounds (i8, ptr @Array, i64 144), align 16, !tbaa !5
  store <4 x i32> <i32 -40, i32 -41, i32 -42, i32 -43>, ptr getelementptr inbounds (i8, ptr @Array, i64 160), align 16, !tbaa !5
  store <4 x i32> <i32 -44, i32 -45, i32 -46, i32 -47>, ptr getelementptr inbounds (i8, ptr @Array, i64 176), align 16, !tbaa !5
  store <4 x i32> <i32 -48, i32 -49, i32 -50, i32 -51>, ptr getelementptr inbounds (i8, ptr @Array, i64 192), align 16, !tbaa !5
  store <4 x i32> <i32 -52, i32 -53, i32 -54, i32 -55>, ptr getelementptr inbounds (i8, ptr @Array, i64 208), align 16, !tbaa !5
  store <4 x i32> <i32 -56, i32 -57, i32 -58, i32 -59>, ptr getelementptr inbounds (i8, ptr @Array, i64 224), align 16, !tbaa !5
  store <4 x i32> <i32 -60, i32 -61, i32 -62, i32 -63>, ptr getelementptr inbounds (i8, ptr @Array, i64 240), align 16, !tbaa !5
  store <4 x i32> <i32 -64, i32 -65, i32 -66, i32 -67>, ptr getelementptr inbounds (i8, ptr @Array, i64 256), align 16, !tbaa !5
  store <4 x i32> <i32 -68, i32 -69, i32 -70, i32 -71>, ptr getelementptr inbounds (i8, ptr @Array, i64 272), align 16, !tbaa !5
  store <4 x i32> <i32 -72, i32 -73, i32 -74, i32 -75>, ptr getelementptr inbounds (i8, ptr @Array, i64 288), align 16, !tbaa !5
  store <4 x i32> <i32 -76, i32 -77, i32 -78, i32 -79>, ptr getelementptr inbounds (i8, ptr @Array, i64 304), align 16, !tbaa !5
  store <4 x i32> <i32 -80, i32 -81, i32 -82, i32 -83>, ptr getelementptr inbounds (i8, ptr @Array, i64 320), align 16, !tbaa !5
  store <4 x i32> <i32 -84, i32 -85, i32 -86, i32 -87>, ptr getelementptr inbounds (i8, ptr @Array, i64 336), align 16, !tbaa !5
  store <4 x i32> <i32 -88, i32 -89, i32 -90, i32 -91>, ptr getelementptr inbounds (i8, ptr @Array, i64 352), align 16, !tbaa !5
  store <4 x i32> <i32 -92, i32 -93, i32 -94, i32 -95>, ptr getelementptr inbounds (i8, ptr @Array, i64 368), align 16, !tbaa !5
  store i32 -96, ptr getelementptr inbounds (i8, ptr @Array, i64 384), align 16, !tbaa !5
  store i32 -97, ptr getelementptr inbounds (i8, ptr @Array, i64 388), align 4, !tbaa !5
  store i32 -98, ptr getelementptr inbounds (i8, ptr @Array, i64 392), align 8, !tbaa !5
  store i32 -99, ptr getelementptr inbounds (i8, ptr @Array, i64 396), align 4, !tbaa !5
  ret void
}

attributes #0 = { nofree norecurse nosync nounwind memory(write, argmem: none, inaccessiblemem: 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 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopLoadEliminationPass,LoopRotatePass,LoopUnrollPass,LoopVectorizePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass