; LLVM IR from sslab-gatech/janus :: lkl/drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy (phy_qmath)

; 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 i32 @qm_add32(i32 noundef %0, i32 noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = 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
  %6 = load i32, ptr %3, align 4, !tbaa !5
  %7 = load i32, ptr %4, align 4, !tbaa !5
  %8 = add nsw i32 %6, %7
  store i32 %8, ptr %5, align 4, !tbaa !5
  %9 = load i32, ptr %3, align 4, !tbaa !5
  %10 = icmp slt i32 %9, 0
  br i1 %10, label %11, label %18

11:                                               ; preds = %2
  %12 = load i32, ptr %4, align 4, !tbaa !5
  %13 = icmp slt i32 %12, 0
  br i1 %13, label %14, label %18

14:                                               ; preds = %11
  %15 = load i32, ptr %5, align 4, !tbaa !5
  %16 = icmp sgt i32 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %14
  store i32 -2147483648, ptr %5, align 4, !tbaa !5
  br label %29

18:                                               ; preds = %14, %11, %2
  %19 = load i32, ptr %3, align 4, !tbaa !5
  %20 = icmp sgt i32 %19, 0
  br i1 %20, label %21, label %28

21:                                               ; preds = %18
  %22 = load i32, ptr %4, align 4, !tbaa !5
  %23 = icmp sgt i32 %22, 0
  br i1 %23, label %24, label %28

24:                                               ; preds = %21
  %25 = load i32, ptr %5, align 4, !tbaa !5
  %26 = icmp slt i32 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %24
  store i32 2147483647, ptr %5, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %27, %24, %21, %18
  br label %29

29:                                               ; preds = %28, %17
  %30 = load i32, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #2
  ret i32 %30
}

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 }

!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 dso_local i32 @qm_add32(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = add nsw i32 %1, %0
  %4 = and i32 %1, %0
  %or.cond = icmp slt i32 %4, 0
  %5 = icmp sgt i32 %3, 0
  %or.cond3 = select i1 %or.cond, i1 %5, i1 false
  br i1 %or.cond3, label %10, label %6

6:                                                ; preds = %2
  %7 = icmp sgt i32 %0, 0
  %8 = icmp sgt i32 %1, 0
  %or.cond5 = and i1 %7, %8
  %9 = tail call i32 @llvm.umin.i32(i32 %3, i32 2147483647)
  %spec.store.select = select i1 %or.cond5, i32 %9, i32 %3
  br label %10

10:                                               ; preds = %2, %6
  %.0 = phi i32 [ %spec.store.select, %6 ], [ -2147483648, %2 ]
  ret i32 %.0
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass