; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc3INDEv)

; 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"

%class.cosproc = type { ptr, ptr, i16, i16, [8 x i8], [8 x i8], [257 x %"struct.cosproc::Instruction"] }
%"struct.cosproc::Instruction" = type { { i64, i64 }, { i64, i64 }, ptr, i32 }

; 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 uwtable
define dso_local noundef zeroext i16 @_ZN7cosproc3INDEv(ptr noundef nonnull align 8 dereferenceable(12376) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i16, align 2
  %4 = alloca i16, align 2
  %5 = alloca i16, align 2
  store ptr %0, ptr %2, align 8, !tbaa !5
  %6 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 2, ptr %3) #2
  %7 = getelementptr inbounds %class.cosproc, ptr %6, i32 0, i32 1
  %8 = load ptr, ptr %7, align 8, !tbaa !9
  %9 = getelementptr inbounds %class.cosproc, ptr %6, i32 0, i32 2
  %10 = load i16, ptr %9, align 8, !tbaa !12
  %11 = zext i16 %10 to i32
  %12 = add nsw i32 %11, 1
  %13 = trunc i32 %12 to i16
  %14 = call noundef zeroext i8 %8(i16 noundef zeroext %13)
  %15 = zext i8 %14 to i32
  %16 = shl i32 %15, 8
  %17 = getelementptr inbounds %class.cosproc, ptr %6, i32 0, i32 1
  %18 = load ptr, ptr %17, align 8, !tbaa !9
  %19 = getelementptr inbounds %class.cosproc, ptr %6, i32 0, i32 2
  %20 = load i16, ptr %19, align 8, !tbaa !12
  %21 = zext i16 %20 to i32
  %22 = add nsw i32 %21, 2
  %23 = trunc i32 %22 to i16
  %24 = call noundef zeroext i8 %18(i16 noundef zeroext %23)
  %25 = zext i8 %24 to i32
  %26 = or i32 %16, %25
  %27 = trunc i32 %26 to i16
  store i16 %27, ptr %3, align 2, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 2, ptr %4) #2
  %28 = load i16, ptr %3, align 2, !tbaa !13
  %29 = zext i16 %28 to i32
  %30 = add nsw i32 %29, 1
  %31 = trunc i32 %30 to i16
  store i16 %31, ptr %4, align 2, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 2, ptr %5) #2
  %32 = getelementptr inbounds %class.cosproc, ptr %6, i32 0, i32 1
  %33 = load ptr, ptr %32, align 8, !tbaa !9
  %34 = load i16, ptr %3, align 2, !tbaa !13
  %35 = call noundef zeroext i8 %33(i16 noundef zeroext %34)
  %36 = zext i8 %35 to i32
  %37 = shl i32 %36, 8
  %38 = getelementptr inbounds %class.cosproc, ptr %6, i32 0, i32 1
  %39 = load ptr, ptr %38, align 8, !tbaa !9
  %40 = load i16, ptr %4, align 2, !tbaa !13
  %41 = call noundef zeroext i8 %39(i16 noundef zeroext %40)
  %42 = zext i8 %41 to i32
  %43 = or i32 %37, %42
  %44 = trunc i32 %43 to i16
  store i16 %44, ptr %5, align 2, !tbaa !13
  %45 = load i16, ptr %5, align 2, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 2, ptr %5) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %4) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %3) #2
  ret i16 %45
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"_ZTS7cosproc", !6, i64 0, !6, i64 8, !11, i64 16, !11, i64 18, !7, i64 20, !7, i64 28, !7, i64 40}
!11 = !{!"short", !7, i64 0}
!12 = !{!10, !11, i64 16}
!13 = !{!11, !11, 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 uwtable
define dso_local noundef zeroext i16 @_ZN7cosproc3INDEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(12376) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  %5 = load i16, ptr %4, align 8, !tbaa !11
  %6 = add i16 %5, 1
  %7 = tail call noundef zeroext i8 %3(i16 noundef zeroext %6)
  %8 = zext i8 %7 to i16
  %9 = shl nuw i16 %8, 8
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = load i16, ptr %4, align 8, !tbaa !11
  %12 = add i16 %11, 2
  %13 = tail call noundef zeroext i8 %10(i16 noundef zeroext %12)
  %14 = zext i8 %13 to i16
  %15 = or disjoint i16 %9, %14
  %16 = add i16 %15, 1
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = tail call noundef zeroext i8 %17(i16 noundef zeroext %15)
  %19 = zext i8 %18 to i16
  %20 = shl nuw i16 %19, 8
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = tail call noundef zeroext i8 %21(i16 noundef zeroext %16)
  %23 = zext i8 %22 to i16
  %24 = or disjoint i16 %20, %23
  ret i16 %24
}

attributes #0 = { 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" }

!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, !7, i64 8}
!6 = !{!"_ZTS7cosproc", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 18, !8, i64 20, !8, i64 28, !8, i64 40}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!6, !10, i64 16}


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