; LLVM IR from hbirchtree/coffeecutie :: src/peripheral/platform/platforms/posix (file)

; 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef) #1

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZN8platform4file5posix16PosixFileMod_def9ProtFlagsEN8semantic4RSCAE(i32 noundef %0) #2 align 2 {
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  %4 = load i32, ptr %2, align 4, !tbaa !5
  %5 = call noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef %4, i32 noundef 256)
  %6 = call noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef %5)
  br i1 %6, label %7, label %10

7:                                                ; preds = %1
  %8 = load i32, ptr %3, align 4, !tbaa !9
  %9 = or i32 %8, 1
  store i32 %9, ptr %3, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %7, %1
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = call noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef %11, i32 noundef 512)
  %13 = call noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef %12)
  br i1 %13, label %14, label %17

14:                                               ; preds = %10
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = or i32 %15, 2
  store i32 %16, ptr %3, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %14, %10
  %18 = load i32, ptr %2, align 4, !tbaa !5
  %19 = call noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef %18, i32 noundef 2048)
  %20 = call noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef %19)
  br i1 %20, label %21, label %24

21:                                               ; preds = %17
  %22 = load i32, ptr %3, align 4, !tbaa !9
  %23 = or i32 %22, 4
  store i32 %23, ptr %3, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %21, %17
  %25 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  ret i32 %25
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint 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 = { mustprogress 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 #3 = { 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 = !{!"_ZTSN8semantic4RSCAE", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef) local_unnamed_addr #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 0, 8) i32 @_ZN8platform4file5posix16PosixFileMod_def9ProtFlagsEN8semantic4RSCAE(i32 noundef %0) local_unnamed_addr #1 align 2 {
  %2 = tail call noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef %0, i32 noundef 256)
  %3 = tail call noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef %2)
  %spec.select = zext i1 %3 to i32
  %4 = tail call noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef %0, i32 noundef 512)
  %5 = tail call noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef %4)
  %6 = or disjoint i32 %spec.select, 2
  %.1 = select i1 %5, i32 %6, i32 %spec.select
  %7 = tail call noundef i32 @_ZN8semanticanENS_4RSCAES0_(i32 noundef %0, i32 noundef 2048)
  %8 = tail call noundef zeroext i1 @_ZN12enum_helpers5fevalIN8semantic4RSCAEEEbT_(i32 noundef %7)
  %9 = or disjoint i32 %.1, 4
  %.2 = select i1 %8, i32 %9, i32 %.1
  ret i32 %.2
}

attributes #0 = { inlinehint 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 #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" }

!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,TailCallElimPass