; LLVM IR from nragland37/cpp-projects :: data_structures-I/10-palindromes/main.ll (Z10getPalTypebb)

; 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 signext i8 @_Z10getPalTypebb(i1 noundef zeroext %0, i1 noundef zeroext %1) #1 {
  %3 = alloca i8, align 1
  %4 = alloca i8, align 1
  %5 = alloca i8, align 1
  %6 = zext i1 %0 to i8
  store i8 %6, ptr %3, align 1, !tbaa !5
  %7 = zext i1 %1 to i8
  store i8 %7, ptr %4, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  store i8 49, ptr %5, align 1, !tbaa !9
  %8 = load i8, ptr %4, align 1, !tbaa !5, !range !10, !noundef !11
  %9 = trunc i8 %8 to i1
  br i1 %9, label %10, label %11

10:                                               ; preds = %2
  store i8 51, ptr %5, align 1, !tbaa !9
  br label %16

11:                                               ; preds = %2
  %12 = load i8, ptr %3, align 1, !tbaa !5, !range !10, !noundef !11
  %13 = trunc i8 %12 to i1
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  store i8 50, ptr %5, align 1, !tbaa !9
  br label %15

15:                                               ; preds = %14, %11
  br label %16

16:                                               ; preds = %15, %10
  %17 = load i8, ptr %5, align 1, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret i8 %17
}

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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{i8 0, i8 2}
!11 = !{}


; 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 noundef signext range(i8 49, 52) i8 @_Z10getPalTypebb(i1 noundef zeroext %0, i1 noundef zeroext %1) local_unnamed_addr #0 {
  %spec.select = select i1 %0, i8 50, i8 49
  %.0 = select i1 %1, i8 51, i8 %spec.select
  ret i8 %.0
}

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" }

!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,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass