Name a couple more things in LLVM IR (#50625)

Author: gbaraldi

src/cgutils.cpp

@@ -3317,6 +3317,9 @@ static Value *_boxed_special(jl_codectx_t &ctx, const jl_cgval_t &vinfo, Type *t
         assert(jb->instance != NULL);
         return track_pjlvalue(ctx, literal_pointer_val(ctx, jb->instance));
     }
+    if (box) {
+        setName(ctx.emission_context, box, [&]() {return "box_" + std::string(jl_symbol_name(jb->name->name));});
+    }
     return box;
 }
 

src/codegen.cpp

@@ -4607,6 +4607,7 @@ static jl_cgval_t emit_call(jl_codectx_t &ctx, jl_expr_t *ex, jl_value_t *rt, bo
         auto it = builtin_func_map().find(jl_get_builtin_fptr(f.constant));
         if (it != builtin_func_map().end()) {
             Value *ret = emit_jlcall(ctx, it->second, Constant::getNullValue(ctx.types().T_prjlvalue), &argv[1], nargs - 1, julia_call);
+            setName(ctx.emission_context, ret, it->second->name + "_ret");
             return mark_julia_type(ctx, ret, true, rt);
         }
     }

src/llvm-late-gc-lowering.cpp

@@ -2226,7 +2226,7 @@ Value *LateLowerGCFrame::EmitLoadTag(IRBuilder<> &builder, Type *T_size, Value *
 {
     auto addr = EmitTagPtr(builder, T_size, T_size, V);
     auto &M = *builder.GetInsertBlock()->getModule();
-    LoadInst *load = builder.CreateAlignedLoad(T_size, addr, M.getDataLayout().getPointerABIAlignment(0), V->getName() + "tag");
+    LoadInst *load = builder.CreateAlignedLoad(T_size, addr, M.getDataLayout().getPointerABIAlignment(0), V->getName() + ".tag");
     load->setOrdering(AtomicOrdering::Unordered);
     load->setMetadata(LLVMContext::MD_tbaa, tbaa_tag);
     MDBuilder MDB(load->getContext());
@@ -2297,7 +2297,7 @@ bool LateLowerGCFrame::CleanupIR(Function &F, State *S, bool *CFGModified) {
     if (T_prjlvalue) {
         T_pprjlvalue = T_prjlvalue->getPointerTo();
         Frame = new AllocaInst(T_prjlvalue, allocaAddressSpace,
-            ConstantInt::get(T_int32, maxframeargs), "", StartOff);
+            ConstantInt::get(T_int32, maxframeargs), "jlcallframe", StartOff);
     }
     std::vector<CallInst*> write_barriers;
     for (BasicBlock &BB : F) {