; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc3JNCEt)

; 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: mustprogress uwtable
define dso_local void @_ZN7cosproc3JNCEt(ptr noundef nonnull align 8 dereferenceable(12376) %0, i16 noundef zeroext %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i16, align 2
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i16 %1, ptr %4, align 2, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 5
  %7 = getelementptr inbounds [8 x i8], ptr %6, i64 0, i64 2
  %8 = load i8, ptr %7, align 2, !tbaa !11, !range !13, !noundef !14
  %9 = trunc i8 %8 to i1
  br i1 %9, label %28, label %10

10:                                               ; preds = %2
  %11 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 1
  %12 = load ptr, ptr %11, align 8, !tbaa !15
  %13 = load i16, ptr %4, align 2, !tbaa !9
  %14 = call noundef zeroext i8 %12(i16 noundef zeroext %13)
  %15 = zext i8 %14 to i32
  %16 = shl i32 %15, 8
  %17 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 1
  %18 = load ptr, ptr %17, align 8, !tbaa !15
  %19 = load i16, ptr %4, align 2, !tbaa !9
  %20 = zext i16 %19 to i32
  %21 = add nsw i32 %20, 1
  %22 = trunc i32 %21 to i16
  %23 = call noundef zeroext i8 %18(i16 noundef zeroext %22)
  %24 = zext i8 %23 to i32
  %25 = or i32 %16, %24
  %26 = trunc i32 %25 to i16
  %27 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 2
  store i16 %26, ptr %27, align 8, !tbaa !17
  br label %34

28:                                               ; preds = %2
  %29 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 2
  %30 = load i16, ptr %29, align 8, !tbaa !17
  %31 = zext i16 %30 to i32
  %32 = add nsw i32 %31, 3
  %33 = trunc i32 %32 to i16
  store i16 %33, ptr %29, align 8, !tbaa !17
  br label %34

34:                                               ; preds = %28, %10
  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, !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, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!16, !6, i64 8}
!16 = !{!"_ZTS7cosproc", !6, i64 0, !6, i64 8, !10, i64 16, !10, i64 18, !7, i64 20, !7, i64 28, !7, i64 40}
!17 = !{!16, !10, i64 16}


; 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 @_ZN7cosproc3JNCEt(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 30
  %4 = load i8, ptr %3, align 2, !tbaa !5, !range !9, !noundef !10
  %5 = trunc nuw i8 %4 to i1
  br i1 %5, label %18, label %6

6:                                                ; preds = %2
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load ptr, ptr %7, align 8, !tbaa !11
  %9 = tail call noundef zeroext i8 %8(i16 noundef zeroext %1)
  %10 = zext i8 %9 to i16
  %11 = shl nuw i16 %10, 8
  %12 = load ptr, ptr %7, align 8, !tbaa !11
  %13 = add i16 %1, 1
  %14 = tail call noundef zeroext i8 %12(i16 noundef zeroext %13)
  %15 = zext i8 %14 to i16
  %16 = or disjoint i16 %11, %15
  %17 = getelementptr inbounds i8, ptr %0, i64 16
  store i16 %16, ptr %17, align 8, !tbaa !15
  br label %22

18:                                               ; preds = %2
  %19 = getelementptr inbounds i8, ptr %0, i64 16
  %20 = load i16, ptr %19, align 8, !tbaa !15
  %21 = add i16 %20, 3
  store i16 %21, ptr %19, align 8, !tbaa !15
  br label %22

22:                                               ; preds = %18, %6
  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, !6, i64 0}
!6 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{i8 0, i8 2}
!10 = !{}
!11 = !{!12, !13, i64 8}
!12 = !{!"_ZTS7cosproc", !13, i64 0, !13, i64 8, !14, i64 16, !14, i64 18, !7, i64 20, !7, i64 28, !7, i64 40}
!13 = !{!"any pointer", !7, i64 0}
!14 = !{!"short", !7, i64 0}
!15 = !{!12, !14, i64 16}


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