; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc3RETEt)

; 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 @_ZN7cosproc3RETEt(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 1
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  %8 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 3
  %9 = load i16, ptr %8, align 2, !tbaa !13
  %10 = zext i16 %9 to i32
  %11 = add nsw i32 %10, 1
  %12 = trunc i32 %11 to i16
  %13 = call noundef zeroext i8 %7(i16 noundef zeroext %12)
  %14 = zext i8 %13 to i32
  %15 = shl i32 %14, 8
  %16 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 1
  %17 = load ptr, ptr %16, align 8, !tbaa !11
  %18 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 3
  %19 = load i16, ptr %18, align 2, !tbaa !13
  %20 = zext i16 %19 to i32
  %21 = add nsw i32 %20, 2
  %22 = trunc i32 %21 to i16
  %23 = call noundef zeroext i8 %17(i16 noundef zeroext %22)
  %24 = zext i8 %23 to i32
  %25 = or i32 %15, %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 !14
  %28 = getelementptr inbounds %class.cosproc, ptr %5, i32 0, i32 3
  %29 = load i16, ptr %28, align 2, !tbaa !13
  %30 = zext i16 %29 to i32
  %31 = add nsw i32 %30, 2
  %32 = trunc i32 %31 to i16
  store i16 %32, ptr %28, align 2, !tbaa !13
  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, !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 18}
!14 = !{!12, !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 @_ZN7cosproc3RETEt(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 = getelementptr inbounds i8, ptr %0, i64 18
  %6 = load i16, ptr %5, align 2, !tbaa !11
  %7 = add i16 %6, 1
  %8 = tail call noundef zeroext i8 %4(i16 noundef zeroext %7)
  %9 = zext i8 %8 to i16
  %10 = shl nuw i16 %9, 8
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = load i16, ptr %5, align 2, !tbaa !11
  %13 = add i16 %12, 2
  %14 = tail call noundef zeroext i8 %11(i16 noundef zeroext %13)
  %15 = zext i8 %14 to i16
  %16 = or disjoint i16 %10, %15
  %17 = getelementptr inbounds i8, ptr %0, i64 16
  store i16 %16, ptr %17, align 8, !tbaa !12
  %18 = load i16, ptr %5, align 2, !tbaa !11
  %19 = add i16 %18, 2
  store i16 %19, ptr %5, align 2, !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 = !{!6, !10, i64 18}
!12 = !{!6, !10, i64 16}


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