; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc6MOVXAREt)

; 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 @_ZN7cosproc6MOVXAREt(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 i16, align 2
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i16 %1, ptr %4, align 2, !tbaa !9
  %7 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 2, ptr %5) #2
  %8 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 2
  %11 = load i16, ptr %10, align 8, !tbaa !13
  %12 = zext i16 %11 to i32
  %13 = add nsw i32 %12, 2
  %14 = trunc i32 %13 to i16
  %15 = call noundef zeroext i8 %9(i16 noundef zeroext %14)
  %16 = zext i8 %15 to i32
  %17 = shl i32 %16, 8
  %18 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 1
  %19 = load ptr, ptr %18, align 8, !tbaa !11
  %20 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 2
  %21 = load i16, ptr %20, align 8, !tbaa !13
  %22 = zext i16 %21 to i32
  %23 = add nsw i32 %22, 3
  %24 = trunc i32 %23 to i16
  %25 = call noundef zeroext i8 %19(i16 noundef zeroext %24)
  %26 = zext i8 %25 to i32
  %27 = or i32 %17, %26
  %28 = trunc i32 %27 to i16
  store i16 %28, ptr %5, align 2, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %29 = load i16, ptr %4, align 2, !tbaa !9
  %30 = zext i16 %29 to i32
  %31 = srem i32 %30, 2
  %32 = icmp eq i32 %31, 0
  br i1 %32, label %33, label %36

33:                                               ; preds = %2
  %34 = load i16, ptr %4, align 2, !tbaa !9
  %35 = zext i16 %34 to i32
  store i32 %35, ptr %6, align 4, !tbaa !14
  br label %40

36:                                               ; preds = %2
  %37 = load i16, ptr %4, align 2, !tbaa !9
  %38 = zext i16 %37 to i32
  %39 = sub nsw i32 %38, 1
  store i32 %39, ptr %6, align 4, !tbaa !14
  br label %40

40:                                               ; preds = %36, %33
  %41 = phi ptr [ %6, %33 ], [ %6, %36 ]
  %42 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 0
  %43 = load ptr, ptr %42, align 8, !tbaa !16
  %44 = load i16, ptr %5, align 2, !tbaa !9
  %45 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %46 = load i32, ptr %6, align 4, !tbaa !14
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [8 x i8], ptr %45, i64 0, i64 %47
  %49 = load i8, ptr %48, align 1, !tbaa !17
  call void %43(i16 noundef zeroext %44, i8 noundef zeroext %49)
  %50 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 0
  %51 = load ptr, ptr %50, align 8, !tbaa !16
  %52 = load i16, ptr %5, align 2, !tbaa !9
  %53 = zext i16 %52 to i32
  %54 = add nsw i32 %53, 1
  %55 = trunc i32 %54 to i16
  %56 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %57 = load i32, ptr %6, align 4, !tbaa !14
  %58 = add nsw i32 %57, 1
  %59 = sext i32 %58 to i64
  %60 = getelementptr inbounds [8 x i8], ptr %56, i64 0, i64 %59
  %61 = load i8, ptr %60, align 1, !tbaa !17
  call void %51(i16 noundef zeroext %55, i8 noundef zeroext %61)
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 2, 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 = !{!12, !10, i64 16}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = !{!12, !6, i64 0}
!17 = !{!7, !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: mustprogress uwtable
define dso_local void @_ZN7cosproc6MOVXAREt(ptr nocapture noundef nonnull readonly 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 = getelementptr inbounds i8, ptr %0, i64 16
  %6 = load i16, ptr %5, align 8, !tbaa !11
  %7 = add i16 %6, 2
  %8 = tail call noundef zeroext i8 %4(i16 noundef zeroext %7)
  %9 = load ptr, ptr %3, align 8, !tbaa !5
  %10 = load i16, ptr %5, align 8, !tbaa !11
  %11 = add i16 %10, 3
  %12 = tail call noundef zeroext i8 %9(i16 noundef zeroext %11)
  %13 = and i16 %1, -2
  %14 = zext i8 %8 to i16
  %15 = shl nuw i16 %14, 8
  %16 = zext i8 %12 to i16
  %17 = or disjoint i16 %15, %16
  %18 = load ptr, ptr %0, align 8, !tbaa !12
  %19 = getelementptr inbounds i8, ptr %0, i64 20
  %20 = zext i16 %13 to i64
  %21 = getelementptr inbounds [8 x i8], ptr %19, i64 0, i64 %20
  %22 = load i8, ptr %21, align 2, !tbaa !13
  tail call void %18(i16 noundef zeroext %17, i8 noundef zeroext %22)
  %23 = load ptr, ptr %0, align 8, !tbaa !12
  %24 = add i16 %17, 1
  %25 = or i16 %1, 1
  %26 = zext i16 %25 to i64
  %27 = getelementptr inbounds [8 x i8], ptr %19, i64 0, i64 %26
  %28 = load i8, ptr %27, align 1, !tbaa !13
  tail call void %23(i16 noundef zeroext %24, i8 noundef zeroext %28)
  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 = !{!6, !10, i64 16}
!12 = !{!6, !7, i64 0}
!13 = !{!8, !8, i64 0}


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