; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc4SHLXEt)

; 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 @_ZN7cosproc4SHLXEt(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 = load i16, ptr %4, align 2, !tbaa !9
  %11 = call noundef zeroext i8 %9(i16 noundef zeroext %10)
  %12 = zext i8 %11 to i32
  %13 = shl i32 %12, 8
  %14 = getelementptr inbounds %class.cosproc, ptr %7, 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)
  %21 = zext i8 %20 to i32
  %22 = or i32 %13, %21
  %23 = trunc i32 %22 to i16
  store i16 %23, ptr %5, align 2, !tbaa !9
  %24 = load i16, ptr %5, align 2, !tbaa !9
  %25 = zext i16 %24 to i32
  %26 = icmp sgt i32 %25, 16
  br i1 %26, label %27, label %28

27:                                               ; preds = %2
  store i16 16, ptr %5, align 2, !tbaa !9
  br label %28

28:                                               ; preds = %27, %2
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %29 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %30 = getelementptr inbounds [8 x i8], ptr %29, i64 0, i64 0
  %31 = load i8, ptr %30, align 4, !tbaa !13
  %32 = zext i8 %31 to i32
  %33 = shl i32 %32, 8
  %34 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %35 = getelementptr inbounds [8 x i8], ptr %34, i64 0, i64 1
  %36 = load i8, ptr %35, align 1, !tbaa !13
  %37 = zext i8 %36 to i32
  %38 = or i32 %33, %37
  %39 = load i16, ptr %5, align 2, !tbaa !9
  %40 = zext i16 %39 to i32
  %41 = shl i32 %38, %40
  store i32 %41, ptr %6, align 4, !tbaa !14
  %42 = load i32, ptr %6, align 4, !tbaa !14
  %43 = and i32 %42, -65536
  %44 = icmp ne i32 %43, 0
  %45 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 5
  %46 = getelementptr inbounds [8 x i8], ptr %45, i64 0, i64 2
  %47 = zext i1 %44 to i8
  store i8 %47, ptr %46, align 2, !tbaa !16
  %48 = load i32, ptr %6, align 4, !tbaa !14
  %49 = and i32 %48, 65280
  %50 = lshr i32 %49, 8
  %51 = trunc i32 %50 to i8
  %52 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %53 = getelementptr inbounds [8 x i8], ptr %52, i64 0, i64 0
  store i8 %51, ptr %53, align 4, !tbaa !13
  %54 = load i32, ptr %6, align 4, !tbaa !14
  %55 = and i32 %54, 255
  %56 = trunc i32 %55 to i8
  %57 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %58 = getelementptr inbounds [8 x i8], ptr %57, i64 0, i64 1
  store i8 %56, ptr %58, align 1, !tbaa !13
  %59 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %60 = getelementptr inbounds [8 x i8], ptr %59, i64 0, i64 0
  %61 = load i8, ptr %60, align 4, !tbaa !13
  %62 = zext i8 %61 to i32
  %63 = icmp eq i32 %62, 0
  br i1 %63, label %64, label %70

64:                                               ; preds = %28
  %65 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %66 = getelementptr inbounds [8 x i8], ptr %65, i64 0, i64 1
  %67 = load i8, ptr %66, align 1, !tbaa !13
  %68 = zext i8 %67 to i32
  %69 = icmp eq i32 %68, 0
  br label %70

70:                                               ; preds = %64, %28
  %71 = phi i1 [ false, %28 ], [ %69, %64 ]
  %72 = getelementptr inbounds %class.cosproc, ptr %7, 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 %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 = !{!7, !7, i64 0}
!14 = !{!15, !15, i64 0}
!15 = !{!"int", !7, i64 0}
!16 = !{!17, !17, i64 0}
!17 = !{!"bool", !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 @_ZN7cosproc4SHLXEt(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 = zext i8 %5 to i16
  %7 = shl nuw i16 %6, 8
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = add i16 %1, 1
  %10 = tail call noundef zeroext i8 %8(i16 noundef zeroext %9)
  %11 = zext i8 %10 to i16
  %12 = or disjoint i16 %7, %11
  %spec.store.select = tail call i16 @llvm.umin.i16(i16 %12, i16 16)
  %13 = getelementptr inbounds i8, ptr %0, i64 20
  %14 = load i8, ptr %13, align 4, !tbaa !11
  %15 = zext i8 %14 to i32
  %16 = shl nuw nsw i32 %15, 8
  %17 = getelementptr inbounds i8, ptr %0, i64 21
  %18 = load i8, ptr %17, align 1, !tbaa !11
  %19 = zext i8 %18 to i32
  %20 = or disjoint i32 %16, %19
  %21 = zext nneg i16 %spec.store.select to i32
  %22 = shl nuw i32 %20, %21
  %23 = icmp ugt i32 %22, 65535
  %24 = getelementptr inbounds i8, ptr %0, i64 30
  %25 = zext i1 %23 to i8
  store i8 %25, ptr %24, align 2, !tbaa !12
  %26 = lshr i32 %22, 8
  %27 = trunc i32 %26 to i8
  store i8 %27, ptr %13, align 4, !tbaa !11
  %28 = trunc i32 %22 to i8
  store i8 %28, ptr %17, align 1, !tbaa !11
  %29 = and i32 %22, 65535
  %narrow = icmp eq i32 %29, 0
  %30 = zext i1 %narrow to i8
  %31 = getelementptr inbounds i8, ptr %0, i64 28
  store i8 %30, ptr %31, align 4, !tbaa !12
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i16 @llvm.umin.i16(i16, i16) #1

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" }
attributes #1 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }

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


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