; LLVM IR from HarshCasper/NeoAlgo :: C-Plus-Plus/cp/infix_to_postfix.ll (Z19HasHigherPrecedencecc)

; 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: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z19HasHigherPrecedencecc(i8 noundef signext %0, i8 noundef signext %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca i8, align 1
  %5 = alloca i8, align 1
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store i8 %0, ptr %4, align 1, !tbaa !5
  store i8 %1, ptr %5, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %9 = load i8, ptr %4, align 1, !tbaa !5
  %10 = call noundef i32 @_Z17GetOperatorWeightc(i8 noundef signext %9)
  store i32 %10, ptr %6, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %11 = load i8, ptr %5, align 1, !tbaa !5
  %12 = call noundef i32 @_Z17GetOperatorWeightc(i8 noundef signext %11)
  store i32 %12, ptr %7, align 4, !tbaa !8
  %13 = load i32, ptr %6, align 4, !tbaa !8
  %14 = load i32, ptr %7, align 4, !tbaa !8
  %15 = icmp eq i32 %13, %14
  br i1 %15, label %16, label %22

16:                                               ; preds = %2
  %17 = load i8, ptr %4, align 1, !tbaa !5
  %18 = call noundef i32 @_Z18IsRightAssociativec(i8 noundef signext %17)
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %21

20:                                               ; preds = %16
  store i32 0, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %29

21:                                               ; preds = %16
  store i32 1, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %29

22:                                               ; preds = %2
  %23 = load i32, ptr %6, align 4, !tbaa !8
  %24 = load i32, ptr %7, align 4, !tbaa !8
  %25 = icmp sgt i32 %23, %24
  %26 = zext i1 %25 to i64
  %27 = select i1 %25, i1 true, i1 false
  %28 = zext i1 %27 to i32
  store i32 %28, ptr %3, align 4
  store i32 1, ptr %8, align 4
  br label %29

29:                                               ; preds = %22, %21, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %30 = load i32, ptr %3, align 4
  ret i32 %30
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z18IsRightAssociativec(i8 noundef signext) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z17GetOperatorWeightc(i8 noundef signext) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !6, i64 0}


; 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 nounwind uwtable
define dso_local noundef range(i32 0, 2) i32 @_Z19HasHigherPrecedencecc(i8 noundef signext %0, i8 noundef signext %1) local_unnamed_addr #0 {
  %3 = tail call noundef i32 @_Z17GetOperatorWeightc(i8 noundef signext %0)
  %4 = tail call noundef i32 @_Z17GetOperatorWeightc(i8 noundef signext %1)
  %5 = icmp eq i32 %3, %4
  br i1 %5, label %6, label %8

6:                                                ; preds = %2
  %7 = tail call noundef i32 @_Z18IsRightAssociativec(i8 noundef signext %0)
  %.not = icmp eq i32 %7, 0
  br label %10

8:                                                ; preds = %2
  %9 = icmp sgt i32 %3, %4
  br label %10

10:                                               ; preds = %6, %8
  %.0.in = phi i1 [ %9, %8 ], [ %.not, %6 ]
  %.0 = zext i1 %.0.in to i32
  ret i32 %.0
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z18IsRightAssociativec(i8 noundef signext) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i32 @_Z17GetOperatorWeightc(i8 noundef signext) local_unnamed_addr #0

attributes #0 = { 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" }

!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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass