; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc4DECXEt)

; 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 void @_ZN7cosproc4DECXEt(ptr noundef nonnull align 8 dereferenceable(12376) %0, i16 noundef zeroext %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i16, align 2
  %5 = alloca i8, align 1
  %6 = alloca i8, align 1
  %7 = alloca i16, align 2
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i16 %1, ptr %4, align 2, !tbaa !9
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #2
  %10 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 1
  %11 = load ptr, ptr %10, align 8, !tbaa !11
  %12 = load i16, ptr %4, align 2, !tbaa !9
  %13 = call noundef zeroext i8 %11(i16 noundef zeroext %12)
  store i8 %13, ptr %5, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #2
  %14 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 1
  %15 = load ptr, ptr %14, align 8, !tbaa !11
  %16 = load i16, ptr %4, align 2, !tbaa !9
  %17 = zext i16 %16 to i32
  %18 = add nsw i32 %17, 1
  %19 = trunc i32 %18 to i16
  %20 = call noundef zeroext i8 %15(i16 noundef zeroext %19)
  store i8 %20, ptr %6, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 2, ptr %7) #2
  %21 = load i8, ptr %5, align 1, !tbaa !13
  %22 = zext i8 %21 to i32
  %23 = shl i32 %22, 8
  %24 = load i8, ptr %6, align 1, !tbaa !13
  %25 = zext i8 %24 to i32
  %26 = or i32 %23, %25
  %27 = trunc i32 %26 to i16
  store i16 %27, ptr %7, align 2, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #2
  %28 = load i16, ptr %7, align 2, !tbaa !9
  %29 = zext i16 %28 to i32
  %30 = sub nsw i32 %29, 1
  store i32 %30, ptr %8, align 4, !tbaa !14
  %31 = load i32, ptr %8, align 4, !tbaa !14
  %32 = icmp uge i32 %31, 32768
  %33 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 5
  %34 = getelementptr inbounds [8 x i8], ptr %33, i64 0, i64 1
  %35 = zext i1 %32 to i8
  store i8 %35, ptr %34, align 1, !tbaa !16
  %36 = load i32, ptr %8, align 4, !tbaa !14
  %37 = icmp ugt i32 %36, 65535
  %38 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 5
  %39 = getelementptr inbounds [8 x i8], ptr %38, i64 0, i64 2
  %40 = zext i1 %37 to i8
  store i8 %40, ptr %39, align 2, !tbaa !16
  %41 = load i16, ptr %7, align 2, !tbaa !9
  %42 = zext i16 %41 to i32
  %43 = load i32, ptr %8, align 4, !tbaa !14
  %44 = xor i32 %42, %43
  %45 = load i32, ptr %8, align 4, !tbaa !14
  %46 = xor i32 1, %45
  %47 = and i32 %44, %46
  %48 = and i32 %47, 32768
  %49 = icmp ne i32 %48, 0
  %50 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 5
  %51 = getelementptr inbounds [8 x i8], ptr %50, i64 0, i64 3
  %52 = zext i1 %49 to i8
  store i8 %52, ptr %51, align 1, !tbaa !16
  %53 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 0
  %54 = load ptr, ptr %53, align 8, !tbaa !18
  %55 = load i16, ptr %4, align 2, !tbaa !9
  %56 = load i32, ptr %8, align 4, !tbaa !14
  %57 = and i32 %56, 65280
  %58 = lshr i32 %57, 8
  %59 = trunc i32 %58 to i8
  call void %54(i16 noundef zeroext %55, i8 noundef zeroext %59)
  %60 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 0
  %61 = load ptr, ptr %60, align 8, !tbaa !18
  %62 = load i16, ptr %4, align 2, !tbaa !9
  %63 = zext i16 %62 to i32
  %64 = add nsw i32 %63, 1
  %65 = trunc i32 %64 to i16
  %66 = load i32, ptr %8, align 4, !tbaa !14
  %67 = and i32 %66, 255
  %68 = trunc i32 %67 to i8
  call void %61(i16 noundef zeroext %65, i8 noundef zeroext %68)
  %69 = load i32, ptr %8, align 4, !tbaa !14
  %70 = and i32 %69, 65535
  %71 = icmp eq i32 %70, 0
  %72 = getelementptr inbounds %class.cosproc, ptr %9, i32 0, i32 5
  %73 = getelementptr inbounds [8 x i8], ptr %72, i64 0, i64 0
  %74 = zext i1 %71 to i8
  store i8 %74, ptr %73, align 4, !tbaa !16
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #2
  call void @llvm.lifetime.end.p0(i64 2, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #2
  ret void
}

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, !10, i64 0}
!10 = !{!"short", !7, i64 0}
!11 = !{!12, !6, i64 8}
!12 = !{!"_ZTS7cosproc", !6, i64 0, !6, i64 8, !10, i64 16, !10, i64 18, !7, i64 20, !7, i64 28, !7, i64 40}
!13 = !{!7, !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = !{!17, !17, i64 0}
!17 = !{!"bool", !7, i64 0}
!18 = !{!12, !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 uwtable
define dso_local void @_ZN7cosproc4DECXEt(ptr nocapture noundef nonnull align 8 dereferenceable(12376) %0, i16 noundef zeroext %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = tail call noundef zeroext i8 %4(i16 noundef zeroext %1)
  %6 = load ptr, ptr %3, align 8, !tbaa !5
  %7 = add i16 %1, 1
  %8 = tail call noundef zeroext i8 %6(i16 noundef zeroext %7)
  %9 = zext i8 %5 to i32
  %10 = shl nuw nsw i32 %9, 8
  %11 = zext i8 %8 to i32
  %12 = or disjoint i32 %10, %11
  %13 = add nsw i32 %12, -1
  %14 = icmp ugt i32 %13, 32767
  %15 = getelementptr inbounds i8, ptr %0, i64 28
  %16 = getelementptr inbounds i8, ptr %0, i64 29
  %17 = zext i1 %14 to i8
  store i8 %17, ptr %16, align 1, !tbaa !11
  %18 = icmp ugt i32 %13, 65535
  %19 = getelementptr inbounds i8, ptr %0, i64 30
  %20 = zext i1 %18 to i8
  store i8 %20, ptr %19, align 2, !tbaa !11
  %21 = xor i32 %10, -1
  %22 = and i32 %13, %21
  %23 = getelementptr inbounds i8, ptr %0, i64 31
  %24 = lshr i32 %22, 15
  %25 = trunc i32 %24 to i8
  %26 = and i8 %25, 1
  store i8 %26, ptr %23, align 1, !tbaa !11
  %27 = load ptr, ptr %0, align 8, !tbaa !13
  %28 = lshr i32 %13, 8
  %29 = trunc i32 %28 to i8
  tail call void %27(i16 noundef zeroext %1, i8 noundef zeroext %29)
  %30 = load ptr, ptr %0, align 8, !tbaa !13
  %31 = trunc i32 %13 to i8
  tail call void %30(i16 noundef zeroext %7, i8 noundef zeroext %31)
  %32 = and i32 %13, 65535
  %33 = icmp eq i32 %32, 0
  %34 = zext i1 %33 to i8
  store i8 %34, ptr %15, align 4, !tbaa !11
  ret void
}

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 = !{!12, !12, i64 0}
!12 = !{!"bool", !8, i64 0}
!13 = !{!6, !7, i64 0}


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