; LLVM IR from clbx/Cosmic :: src/cosproc.ll (ZN7cosproc3SHLEt)

; 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 @_ZN7cosproc3SHLEt(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 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)
  store i8 %11, ptr %5, align 1, !tbaa !13
  %12 = load i8, ptr %5, align 1, !tbaa !13
  %13 = zext i8 %12 to i32
  %14 = icmp sgt i32 %13, 8
  br i1 %14, label %15, label %16

15:                                               ; preds = %2
  store i8 8, ptr %5, align 1, !tbaa !13
  br label %16

16:                                               ; preds = %15, %2
  call void @llvm.lifetime.start.p0(i64 2, ptr %6) #2
  %17 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %18 = getelementptr inbounds [8 x i8], ptr %17, i64 0, i64 0
  %19 = load i8, ptr %18, align 4, !tbaa !13
  %20 = zext i8 %19 to i32
  %21 = load i8, ptr %5, align 1, !tbaa !13
  %22 = zext i8 %21 to i32
  %23 = shl i32 %20, %22
  %24 = trunc i32 %23 to i16
  store i16 %24, ptr %6, align 2, !tbaa !9
  %25 = load i16, ptr %6, align 2, !tbaa !9
  %26 = zext i16 %25 to i32
  %27 = and i32 %26, 65280
  %28 = icmp ne i32 %27, 0
  %29 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 5
  %30 = getelementptr inbounds [8 x i8], ptr %29, i64 0, i64 2
  %31 = zext i1 %28 to i8
  store i8 %31, ptr %30, align 2, !tbaa !14
  %32 = load i16, ptr %6, align 2, !tbaa !9
  %33 = zext i16 %32 to i32
  %34 = and i32 %33, 255
  %35 = trunc i32 %34 to i8
  %36 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %37 = getelementptr inbounds [8 x i8], ptr %36, i64 0, i64 0
  store i8 %35, ptr %37, align 4, !tbaa !13
  %38 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 4
  %39 = getelementptr inbounds [8 x i8], ptr %38, i64 0, i64 0
  %40 = load i8, ptr %39, align 4, !tbaa !13
  %41 = zext i8 %40 to i32
  %42 = icmp eq i32 %41, 0
  %43 = getelementptr inbounds %class.cosproc, ptr %7, i32 0, i32 5
  %44 = getelementptr inbounds [8 x i8], ptr %43, i64 0, i64 0
  %45 = zext i1 %42 to i8
  store i8 %45, ptr %44, align 4, !tbaa !14
  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 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 = !{!"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 @_ZN7cosproc3SHLEt(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)
  %spec.store.select = tail call i8 @llvm.umin.i8(i8 %5, i8 8)
  %6 = getelementptr inbounds i8, ptr %0, i64 20
  %7 = load i8, ptr %6, align 4, !tbaa !11
  %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 !12
  %15 = trunc i16 %10 to i8
  store i8 %15, ptr %6, align 4, !tbaa !11
  %.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 !12
  ret void
}

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