; LLVM IR from paintdream/DontStarveLuaJIT :: src/luajit/src (lj_vmmath)

; 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: nounwind uwtable
define hidden i32 @lj_vm_modi(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store i32 %0, ptr %3, align 4, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %8 = load i32, ptr %3, align 4, !tbaa !5
  %9 = icmp slt i32 %8, 0
  br i1 %9, label %10, label %13

10:                                               ; preds = %2
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = sub nsw i32 0, %11
  br label %15

13:                                               ; preds = %2
  %14 = load i32, ptr %3, align 4, !tbaa !5
  br label %15

15:                                               ; preds = %13, %10
  %16 = phi i32 [ %12, %10 ], [ %14, %13 ]
  store i32 %16, ptr %6, align 4, !tbaa !5
  %17 = load i32, ptr %4, align 4, !tbaa !5
  %18 = icmp slt i32 %17, 0
  br i1 %18, label %19, label %22

19:                                               ; preds = %15
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = sub nsw i32 0, %20
  br label %24

22:                                               ; preds = %15
  %23 = load i32, ptr %4, align 4, !tbaa !5
  br label %24

24:                                               ; preds = %22, %19
  %25 = phi i32 [ %21, %19 ], [ %23, %22 ]
  store i32 %25, ptr %7, align 4, !tbaa !5
  %26 = load i32, ptr %6, align 4, !tbaa !5
  %27 = load i32, ptr %7, align 4, !tbaa !5
  %28 = urem i32 %26, %27
  store i32 %28, ptr %5, align 4, !tbaa !5
  %29 = load i32, ptr %5, align 4, !tbaa !5
  %30 = icmp ne i32 %29, 0
  br i1 %30, label %31, label %40

31:                                               ; preds = %24
  %32 = load i32, ptr %3, align 4, !tbaa !5
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = xor i32 %32, %33
  %35 = icmp slt i32 %34, 0
  br i1 %35, label %36, label %40

36:                                               ; preds = %31
  %37 = load i32, ptr %5, align 4, !tbaa !5
  %38 = load i32, ptr %7, align 4, !tbaa !5
  %39 = sub i32 %37, %38
  store i32 %39, ptr %5, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %36, %31, %24
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = load i32, ptr %4, align 4, !tbaa !5
  %43 = xor i32 %41, %42
  %44 = icmp slt i32 %43, 0
  br i1 %44, label %45, label %48

45:                                               ; preds = %40
  %46 = load i32, ptr %5, align 4, !tbaa !5
  %47 = sub nsw i32 0, %46
  store i32 %47, ptr %5, align 4, !tbaa !5
  br label %48

48:                                               ; preds = %45, %40
  %49 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %49
}

; 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"}


; 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(none) uwtable
define hidden i32 @lj_vm_modi(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = tail call i32 @llvm.abs.i32(i32 %0, i1 true)
  %4 = tail call i32 @llvm.abs.i32(i32 %1, i1 true)
  %5 = urem i32 %3, %4
  %.not = icmp eq i32 %5, 0
  %6 = xor i32 %1, %0
  %7 = icmp slt i32 %6, 0
  %8 = select i1 %7, i32 %4, i32 0
  %spec.select = sub nsw i32 %5, %8
  %.0 = select i1 %.not, i32 0, i32 %spec.select
  %9 = xor i32 %.0, %1
  %10 = icmp slt i32 %9, 0
  %11 = sub nsw i32 0, %.0
  %spec.select19 = select i1 %10, i32 %11, i32 %.0
  ret i32 %spec.select19
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.abs.i32(i32, i1 immarg) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(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 = { nocallback nofree nosync nounwind speculatable 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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass