; LLVM IR from buresjan/optim_lbm :: nomad/ext/sgtelib/src/TrainingSet.ll (ZNK7SGTELIB11TrainingSet6get_XsEiPd)

; 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"

%"class.SGTELIB::TrainingSet" = type { ptr, i32, i32, i32, i8, ptr, i8, i32, double, double, i32, %"class.SGTELIB::Matrix", %"class.SGTELIB::Matrix", %"class.SGTELIB::Matrix", %"class.SGTELIB::Matrix", %"class.SGTELIB::Matrix", i32, i32, i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i32, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, double }
%"class.SGTELIB::Matrix" = type { ptr, %"class.std::__cxx11::basic_string", i32, i32, ptr }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #0

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK7SGTELIB6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(56), i32 noundef, i32 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK7SGTELIB11TrainingSet6get_XsEiPd(ptr noundef nonnull align 8 dereferenceable(504) %0, i32 noundef %1, ptr noundef %2) #4 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8
  %9 = load ptr, ptr %6, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %20, label %11

11:                                               ; preds = %3
  %12 = getelementptr inbounds %"class.SGTELIB::TrainingSet", ptr %8, i32 0, i32 2
  %13 = load i32, ptr %12, align 4, !tbaa !11
  %14 = sext i32 %13 to i64
  %15 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %14, i64 8)
  %16 = extractvalue { i64, i1 } %15, 1
  %17 = extractvalue { i64, i1 } %15, 0
  %18 = select i1 %16, i64 -1, i64 %17
  %19 = call noalias noundef nonnull ptr @_Znam(i64 noundef %18) #5
  store ptr %19, ptr %6, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %11, %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %21

21:                                               ; preds = %36, %20
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = getelementptr inbounds %"class.SGTELIB::TrainingSet", ptr %8, i32 0, i32 2
  %24 = load i32, ptr %23, align 4, !tbaa !11
  %25 = icmp slt i32 %22, %24
  br i1 %25, label %27, label %26

26:                                               ; preds = %21
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %39

27:                                               ; preds = %21
  %28 = getelementptr inbounds %"class.SGTELIB::TrainingSet", ptr %8, i32 0, i32 13
  %29 = load i32, ptr %5, align 4, !tbaa !9
  %30 = load i32, ptr %7, align 4, !tbaa !9
  %31 = call noundef double @_ZNK7SGTELIB6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(56) %28, i32 noundef %29, i32 noundef %30)
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = load i32, ptr %7, align 4, !tbaa !9
  %34 = sext i32 %33 to i64
  %35 = getelementptr inbounds double, ptr %32, i64 %34
  store double %31, ptr %35, align 8, !tbaa !19
  br label %36

36:                                               ; preds = %27
  %37 = load i32, ptr %7, align 4, !tbaa !9
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %7, align 4, !tbaa !9
  br label %21, !llvm.loop !20

39:                                               ; preds = %26
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #1 = { nobuiltin 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { inlinehint mustprogress 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 #4 = { mustprogress 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 #5 = { builtin 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 12}
!12 = !{!"_ZTSN7SGTELIB11TrainingSetE", !10, i64 8, !10, i64 12, !10, i64 16, !13, i64 20, !6, i64 24, !13, i64 32, !10, i64 36, !14, i64 40, !14, i64 48, !10, i64 56, !15, i64 64, !15, i64 120, !15, i64 176, !15, i64 232, !15, i64 288, !10, i64 344, !10, i64 348, !10, i64 352, !6, i64 360, !6, i64 368, !6, i64 376, !6, i64 384, !6, i64 392, !6, i64 400, !6, i64 408, !10, i64 416, !10, i64 420, !6, i64 424, !6, i64 432, !6, i64 440, !6, i64 448, !6, i64 456, !6, i64 464, !6, i64 472, !6, i64 480, !6, i64 488, !14, i64 496}
!13 = !{!"bool", !7, i64 0}
!14 = !{!"double", !7, i64 0}
!15 = !{!"_ZTSN7SGTELIB6MatrixE", !16, i64 8, !10, i64 40, !10, i64 44, !6, i64 48}
!16 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !17, i64 0, !18, i64 8, !7, i64 16}
!17 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!18 = !{!"long", !7, i64 0}
!19 = !{!14, !14, i64 0}
!20 = distinct !{!20, !21}
!21 = !{!"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: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK7SGTELIB6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(56), i32 noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK7SGTELIB11TrainingSet6get_XsEiPd(ptr noundef nonnull align 8 dereferenceable(504) %0, i32 noundef %1, ptr noundef writeonly %2) local_unnamed_addr #2 align 2 {
  %.not = icmp eq ptr %2, null
  %4 = getelementptr inbounds i8, ptr %0, i64 12
  %5 = load i32, ptr %4, align 4, !tbaa !5
  br i1 %.not, label %6, label %._crit_edge11

6:                                                ; preds = %3
  %7 = sext i32 %5 to i64
  %8 = icmp slt i32 %5, 0
  %9 = shl nsw i64 %7, 3
  %10 = select i1 %8, i64 -1, i64 %9
  %11 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %10) #3
  br label %._crit_edge11

._crit_edge11:                                    ; preds = %3, %6
  %.07 = phi ptr [ %11, %6 ], [ %2, %3 ]
  %12 = getelementptr inbounds i8, ptr %0, i64 12
  %13 = icmp sgt i32 %5, 0
  br i1 %13, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %._crit_edge11
  %14 = getelementptr inbounds i8, ptr %0, i64 176
  br label %15

._crit_edge:                                      ; preds = %15, %._crit_edge11
  ret void

15:                                               ; preds = %.lr.ph, %15
  %indvars.iv = phi i64 [ 0, %.lr.ph ], [ %indvars.iv.next, %15 ]
  %16 = trunc nuw nsw i64 %indvars.iv to i32
  %17 = tail call noundef double @_ZNK7SGTELIB6Matrix3getEii(ptr noundef nonnull align 8 dereferenceable(56) %14, i32 noundef %1, i32 noundef %16)
  %18 = getelementptr inbounds double, ptr %.07, i64 %indvars.iv
  store double %17, ptr %18, align 8, !tbaa !17
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %19 = load i32, ptr %12, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = icmp slt i64 %indvars.iv.next, %20
  br i1 %21, label %15, label %._crit_edge, !llvm.loop !18
}

attributes #0 = { nobuiltin 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 #1 = { inlinehint mustprogress 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 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 #3 = { builtin 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, !7, i64 12}
!6 = !{!"_ZTSN7SGTELIB11TrainingSetE", !7, i64 8, !7, i64 12, !7, i64 16, !10, i64 20, !11, i64 24, !10, i64 32, !7, i64 36, !12, i64 40, !12, i64 48, !7, i64 56, !13, i64 64, !13, i64 120, !13, i64 176, !13, i64 232, !13, i64 288, !7, i64 344, !7, i64 348, !7, i64 352, !11, i64 360, !11, i64 368, !11, i64 376, !11, i64 384, !11, i64 392, !11, i64 400, !11, i64 408, !7, i64 416, !7, i64 420, !11, i64 424, !11, i64 432, !11, i64 440, !11, i64 448, !11, i64 456, !11, i64 464, !11, i64 472, !11, i64 480, !11, i64 488, !12, i64 496}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!"any pointer", !8, i64 0}
!12 = !{!"double", !8, i64 0}
!13 = !{!"_ZTSN7SGTELIB6MatrixE", !14, i64 8, !7, i64 40, !7, i64 44, !11, i64 48}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !16, i64 8, !8, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !11, i64 0}
!16 = !{!"long", !8, i64 0}
!17 = !{!12, !12, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


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