; LLVM IR from cjmcv/hpc :: coroutine/libco/libco/src/coctx.ll (Z10coctx_makeP7coctx_tPFPvS1_S1_EPKvS5_)

; 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"

%struct.coctx_t = type { [14 x ptr], i64, ptr }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_Z10coctx_makeP7coctx_tPFPvS1_S1_EPKvS5_(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.coctx_t, ptr %10, i32 0, i32 2
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.coctx_t, ptr %13, i32 0, i32 1
  %15 = load i64, ptr %14, align 8, !tbaa !12
  %16 = getelementptr inbounds i8, ptr %12, i64 %15
  store ptr %16, ptr %9, align 8, !tbaa !5
  %17 = load ptr, ptr %9, align 8, !tbaa !5
  %18 = ptrtoint ptr %17 to i64
  %19 = and i64 %18, -16
  %20 = inttoptr i64 %19 to ptr
  store ptr %20, ptr %9, align 8, !tbaa !5
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.coctx_t, ptr %21, i32 0, i32 0
  %23 = getelementptr inbounds [14 x ptr], ptr %22, i64 0, i64 0
  call void @llvm.memset.p0.i64(ptr align 8 %23, i8 0, i64 112, i1 false)
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  %25 = getelementptr inbounds i8, ptr %24, i64 -8
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.coctx_t, ptr %26, i32 0, i32 0
  %28 = getelementptr inbounds [14 x ptr], ptr %27, i64 0, i64 13
  store ptr %25, ptr %28, align 8, !tbaa !5
  %29 = load ptr, ptr %6, align 8, !tbaa !5
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.coctx_t, ptr %30, i32 0, i32 0
  %32 = getelementptr inbounds [14 x ptr], ptr %31, i64 0, i64 9
  store ptr %29, ptr %32, align 8, !tbaa !5
  %33 = load ptr, ptr %7, align 8, !tbaa !5
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.coctx_t, ptr %34, i32 0, i32 0
  %36 = getelementptr inbounds [14 x ptr], ptr %35, i64 0, i64 7
  store ptr %33, ptr %36, align 8, !tbaa !5
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.coctx_t, ptr %38, i32 0, i32 0
  %40 = getelementptr inbounds [14 x ptr], ptr %39, i64 0, i64 8
  store ptr %37, ptr %40, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #3 = { 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, !6, i64 120}
!10 = !{!"_ZTS7coctx_t", !7, i64 0, !11, i64 112, !6, i64 120}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 112}


; 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 noundef i32 @_Z10coctx_makeP7coctx_tPFPvS1_S1_EPKvS5_(ptr nocapture noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #0 {
  %5 = getelementptr inbounds i8, ptr %0, i64 120
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %0, i64 112
  %8 = load i64, ptr %7, align 8, !tbaa !11
  %9 = getelementptr inbounds i8, ptr %6, i64 %8
  %10 = ptrtoint ptr %9 to i64
  %11 = and i64 %10, -16
  %12 = inttoptr i64 %11 to ptr
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(112) %0, i8 0, i64 104, i1 false)
  %13 = getelementptr inbounds i8, ptr %12, i64 -8
  %14 = getelementptr inbounds i8, ptr %0, i64 104
  store ptr %13, ptr %14, align 8, !tbaa !12
  %15 = getelementptr inbounds i8, ptr %0, i64 72
  store ptr %1, ptr %15, align 8, !tbaa !12
  %16 = getelementptr inbounds i8, ptr %0, i64 56
  store ptr %2, ptr %16, align 8, !tbaa !12
  %17 = getelementptr inbounds i8, ptr %0, i64 64
  store ptr %3, ptr %17, align 8, !tbaa !12
  ret i32 0
}

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }

!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, !10, i64 120}
!6 = !{!"_ZTS7coctx_t", !7, i64 0, !9, i64 112, !10, i64 120}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!"long", !7, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!6, !9, i64 112}
!12 = !{!10, !10, i64 0}


; Effective O3 passes: DSEPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,TailCallElimPass