; LLVM IR from siconos/siconos :: externals/SOL/lumod-c (commonlib)

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: nounwind uwtable
define dso_local void @strtolo(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %28

7:                                                ; preds = %1
  br label %8

8:                                                ; preds = %12, %7
  %9 = load ptr, ptr %2, align 8, !tbaa !5
  %10 = load i8, ptr %9, align 1, !tbaa !9
  %11 = icmp ne i8 %10, 0
  br i1 %11, label %12, label %27

12:                                               ; preds = %8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  %13 = call ptr @__ctype_tolower_loc() #4
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = load i8, ptr %15, align 1, !tbaa !9
  %17 = sext i8 %16 to i32
  %18 = sext i32 %17 to i64
  %19 = getelementptr inbounds i32, ptr %14, i64 %18
  %20 = load i32, ptr %19, align 4, !tbaa !10
  store i32 %20, ptr %3, align 4, !tbaa !10
  %21 = load i32, ptr %3, align 4, !tbaa !10
  store i32 %21, ptr %4, align 4, !tbaa !10
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  %22 = load i32, ptr %4, align 4, !tbaa !10
  %23 = trunc i32 %22 to i8
  %24 = load ptr, ptr %2, align 8, !tbaa !5
  store i8 %23, ptr %24, align 1, !tbaa !9
  %25 = load ptr, ptr %2, align 8, !tbaa !5
  %26 = getelementptr inbounds i8, ptr %25, i32 1
  store ptr %26, ptr %2, align 8, !tbaa !5
  br label %8, !llvm.loop !12

27:                                               ; preds = %8
  br label %28

28:                                               ; preds = %27, %1
  ret void
}

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__ctype_tolower_loc() #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { nounwind willreturn memory(none) "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 = { nounwind }
attributes #4 = { nounwind willreturn memory(none) }

!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 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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 nosync nounwind memory(readwrite, inaccessiblemem: none) uwtable
define dso_local void @strtolo(ptr noundef %0) local_unnamed_addr #0 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %.loopexit, label %.preheader

.preheader:                                       ; preds = %1
  %2 = load i8, ptr %0, align 1, !tbaa !5
  %.not89 = icmp eq i8 %2, 0
  br i1 %.not89, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader
  %3 = tail call ptr @__ctype_tolower_loc() #2
  br label %4

4:                                                ; preds = %.lr.ph, %4
  %5 = phi i8 [ %2, %.lr.ph ], [ %12, %4 ]
  %.010 = phi ptr [ %0, %.lr.ph ], [ %11, %4 ]
  %6 = load ptr, ptr %3, align 8, !tbaa !8
  %7 = sext i8 %5 to i64
  %8 = getelementptr inbounds i32, ptr %6, i64 %7
  %9 = load i32, ptr %8, align 4, !tbaa !10
  %10 = trunc i32 %9 to i8
  store i8 %10, ptr %.010, align 1, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %.010, i64 1
  %12 = load i8, ptr %11, align 1, !tbaa !5
  %.not8 = icmp eq i8 %12, 0
  br i1 %.not8, label %.loopexit, label %4, !llvm.loop !12

.loopexit:                                        ; preds = %4, %.preheader, %1
  ret void
}

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__ctype_tolower_loc() local_unnamed_addr #1

attributes #0 = { nofree nosync nounwind memory(readwrite, 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" }
attributes #1 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 = { nounwind willreturn memory(none) }

!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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"any pointer", !6, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"int", !6, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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