; LLVM IR from ebirenbaum/ParticleSolver :: cpu/src/solver/lineareq.ll (ZN10LinearData4initEjj)

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN10LinearData5cleanEv(ptr noundef nonnull align 8 dereferenceable(48)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10LinearData4initEjj(ptr noundef nonnull align 8 dereferenceable(48) %0, i32 noundef %1, i32 noundef %2) #0 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  %7 = load ptr, ptr %4, align 8
  call void @_ZN10LinearData5cleanEv(ptr noundef nonnull align 8 dereferenceable(48) %7)
  %8 = load i32, ptr %5, align 4, !tbaa !9
  %9 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 0
  store i32 %8, ptr %9, align 8, !tbaa !11
  %10 = load i32, ptr %6, align 4, !tbaa !9
  %11 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 1
  store i32 %10, ptr %11, align 4, !tbaa !13
  %12 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 0
  %13 = load i32, ptr %12, align 8, !tbaa !11
  %14 = add nsw i32 %13, 1
  %15 = sext i32 %14 to i64
  %16 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %15, i64 4)
  %17 = extractvalue { i64, i1 } %16, 1
  %18 = extractvalue { i64, i1 } %16, 0
  %19 = select i1 %17, i64 -1, i64 %18
  %20 = call noalias noundef nonnull ptr @_Znam(i64 noundef %19) #3
  %21 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 2
  store ptr %20, ptr %21, align 8, !tbaa !14
  %22 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 1
  %23 = load i32, ptr %22, align 4, !tbaa !13
  %24 = sext i32 %23 to i64
  %25 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %24, i64 4)
  %26 = extractvalue { i64, i1 } %25, 1
  %27 = extractvalue { i64, i1 } %25, 0
  %28 = select i1 %26, i64 -1, i64 %27
  %29 = call noalias noundef nonnull ptr @_Znam(i64 noundef %28) #3
  %30 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 3
  store ptr %29, ptr %30, align 8, !tbaa !15
  %31 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 1
  %32 = load i32, ptr %31, align 4, !tbaa !13
  %33 = sext i32 %32 to i64
  %34 = call { i64, i1 } @llvm.umul.with.overflow.i64(i64 %33, i64 8)
  %35 = extractvalue { i64, i1 } %34, 1
  %36 = extractvalue { i64, i1 } %34, 0
  %37 = select i1 %35, i64 -1, i64 %36
  %38 = call noalias noundef nonnull ptr @_Znam(i64 noundef %37) #3
  %39 = getelementptr inbounds %struct.LinearData, ptr %7, i32 0, i32 4
  store ptr %38, ptr %39, align 8, !tbaa !16
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare { i64, i1 } @llvm.umul.with.overflow.i64(i64, i64) #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) #2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #2 = { 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 #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, !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 0}
!12 = !{!"_ZTS10LinearData", !10, i64 0, !10, i64 4, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!13 = !{!12, !10, i64 4}
!14 = !{!12, !6, i64 8}
!15 = !{!12, !6, i64 16}
!16 = !{!12, !6, i64 24}


; 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 uwtable
declare dso_local void @_ZN10LinearData5cleanEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN10LinearData4initEjj(ptr noundef nonnull align 8 dereferenceable(48) %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 align 2 {
  tail call void @_ZN10LinearData5cleanEv(ptr noundef nonnull align 8 dereferenceable(48) %0)
  store i32 %1, ptr %0, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 %2, ptr %4, align 4, !tbaa !11
  %5 = add nsw i32 %1, 1
  %6 = zext nneg i32 %5 to i64
  %7 = icmp slt i32 %1, -1
  %8 = shl nuw nsw i64 %6, 2
  %9 = select i1 %7, i64 -1, i64 %8
  %10 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %9) #2
  %11 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %10, ptr %11, align 8, !tbaa !12
  %12 = sext i32 %2 to i64
  %13 = icmp slt i32 %2, 0
  %14 = shl nsw i64 %12, 2
  %15 = select i1 %13, i64 -1, i64 %14
  %16 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %15) #2
  %17 = getelementptr inbounds i8, ptr %0, i64 16
  store ptr %16, ptr %17, align 8, !tbaa !13
  %18 = shl nsw i64 %12, 3
  %19 = select i1 %13, i64 -1, i64 %18
  %20 = tail call noalias noundef nonnull ptr @_Znam(i64 noundef %19) #2
  %21 = getelementptr inbounds i8, ptr %0, i64 24
  store ptr %20, ptr %21, align 8, !tbaa !14
  ret void
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znam(i64 noundef) local_unnamed_addr #1

attributes #0 = { 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 #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 = { 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 0}
!6 = !{!"_ZTS10LinearData", !7, i64 0, !7, i64 4, !10, i64 8, !10, i64 16, !10, i64 24, !10, i64 32, !10, i64 40}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 4}
!12 = !{!6, !10, i64 8}
!13 = !{!6, !10, i64 16}
!14 = !{!6, !10, i64 24}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,TailCallElimPass