; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc4SHLREt)

; 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 nounwind uwtable
define dso_local void @_ZN7cosproc4SHLREt(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 i16, align 2
  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 1, ptr %5) #2
  %8 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %9 = load i16, ptr %4, align 2, !tbaa !9
  %10 = zext i16 %9 to i64
  %11 = getelementptr inbounds [8 x i8], ptr %8, i64 0, i64 %10
  %12 = load i8, ptr %11, align 1, !tbaa !11
  store i8 %12, ptr %5, align 1, !tbaa !11
  %13 = load i8, ptr %5, align 1, !tbaa !11
  %14 = zext i8 %13 to i32
  %15 = icmp sgt i32 %14, 8
  br i1 %15, label %16, label %17

16:                                               ; preds = %2
  store i8 8, ptr %5, align 1, !tbaa !11
  br label %17

17:                                               ; preds = %16, %2
  call void @llvm.lifetime.start.p0(i64 2, ptr %6) #2
  %18 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %19 = getelementptr inbounds [8 x i8], ptr %18, i64 0, i64 0
  %20 = load i8, ptr %19, align 4, !tbaa !11
  %21 = zext i8 %20 to i32
  %22 = load i8, ptr %5, align 1, !tbaa !11
  %23 = zext i8 %22 to i32
  %24 = shl i32 %21, %23
  %25 = trunc i32 %24 to i16
  store i16 %25, ptr %6, align 2, !tbaa !9
  %26 = load i16, ptr %6, align 2, !tbaa !9
  %27 = zext i16 %26 to i32
  %28 = and i32 %27, 65280
  %29 = icmp ne i32 %28, 0
  %30 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 5
  %31 = getelementptr inbounds [8 x i8], ptr %30, i64 0, i64 2
  %32 = zext i1 %29 to i8
  store i8 %32, ptr %31, align 2, !tbaa !12
  %33 = load i16, ptr %6, align 2, !tbaa !9
  %34 = zext i16 %33 to i32
  %35 = and i32 %34, 255
  %36 = trunc i32 %35 to i8
  %37 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %38 = getelementptr inbounds [8 x i8], ptr %37, i64 0, i64 0
  store i8 %36, ptr %38, align 4, !tbaa !11
  %39 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %40 = getelementptr inbounds [8 x i8], ptr %39, i64 0, i64 0
  %41 = load i8, ptr %40, align 4, !tbaa !11
  %42 = zext i8 %41 to i32
  %43 = icmp eq i32 %42, 0
  %44 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 5
  %45 = getelementptr inbounds [8 x i8], ptr %44, i64 0, i64 0
  %46 = zext i1 %43 to i8
  store i8 %46, ptr %45, align 4, !tbaa !12
  call void @llvm.lifetime.end.p0(i64 2, 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 nounwind 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 = !{!7, !7, i64 0}
!12 = !{!13, !13, i64 0}
!13 = !{!"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 nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) uwtable
define dso_local void @_ZN7cosproc4SHLREt(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 20
  %4 = zext i16 %1 to i64
  %5 = getelementptr inbounds [8 x i8], ptr %3, i64 0, i64 %4
  %6 = load i8, ptr %5, align 1, !tbaa !5
  %spec.store.select = tail call i8 @llvm.umin.i8(i8 %6, i8 8)
  %7 = load i8, ptr %3, align 4, !tbaa !5
  %8 = zext i8 %7 to i16
  %9 = zext nneg i8 %spec.store.select to i16
  %10 = shl nuw i16 %8, %9
  %11 = icmp ugt i16 %10, 255
  %12 = getelementptr inbounds i8, ptr %0, i64 28
  %13 = getelementptr inbounds i8, ptr %0, i64 30
  %14 = zext i1 %11 to i8
  store i8 %14, ptr %13, align 2, !tbaa !8
  %15 = trunc i16 %10 to i8
  store i8 %15, ptr %3, align 4, !tbaa !5
  %.mask = and i16 %10, 255
  %16 = icmp eq i16 %.mask, 0
  %17 = zext i1 %16 to i8
  store i8 %17, ptr %12, align 4, !tbaa !8
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i8 @llvm.umin.i8(i8, i8) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"bool", !6, i64 0}


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