Revert 85678/85680. The decision is to stay with the current form of

indirectbr, thus we don't need "blockaddr(@func, null)".  Eliminate it
for simplicity.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85699 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 11 deletions

diff --git a/lib/AsmParser/LLParser.cpp b/lib/AsmParser/LLParser.cpp
index 9dbd78c558..07bf261573 100644
--- a/lib/AsmParser/LLParser.cpp
+++ b/lib/AsmParser/LLParser.cpp
@@ -123,25 +123,20 @@ bool LLParser::ResolveForwardRefBlockAddresses(Function *TheFn,
   // Loop over all the references, resolving them.
   for (unsigned i = 0, e = Refs.size(); i != e; ++i) {
     BasicBlock *Res;
-    if (Refs[i].first.Kind == ValID::t_Null)
-      Res = 0;
-    else if (PFS) {
+    if (PFS) {
       if (Refs[i].first.Kind == ValID::t_LocalName)
         Res = PFS->GetBB(Refs[i].first.StrVal, Refs[i].first.Loc);
-      else {
-        assert(Refs[i].first.Kind == ValID::t_LocalID);
+      else
         Res = PFS->GetBB(Refs[i].first.UIntVal, Refs[i].first.Loc);
-      }
     } else if (Refs[i].first.Kind == ValID::t_LocalID) {
       return Error(Refs[i].first.Loc,
        "cannot take address of numeric label after it the function is defined");
     } else {
-      assert(Refs[i].first.Kind == ValID::t_LocalName);
       Res = dyn_cast_or_null<BasicBlock>(
                      TheFn->getValueSymbolTable().lookup(Refs[i].first.StrVal));
     }
     
-    if (Res == 0 && Refs[i].first.Kind != ValID::t_Null)
+    if (Res == 0)
       return Error(Refs[i].first.Loc,
                    "referenced value is not a basic block");
     
@@ -2060,11 +2055,10 @@ bool LLParser::ParseValID(ValID &ID) {
         ParseValID(Label) ||
         ParseToken(lltok::rparen, "expected ')' in block address expression"))
       return true;
-      
+    
     if (Fn.Kind != ValID::t_GlobalID && Fn.Kind != ValID::t_GlobalName)
       return Error(Fn.Loc, "expected function name in blockaddress");
-    if (Label.Kind != ValID::t_LocalID && Label.Kind != ValID::t_LocalName &&
-        Label.Kind != ValID::t_Null)
+    if (Label.Kind != ValID::t_LocalID && Label.Kind != ValID::t_LocalName)
       return Error(Label.Loc, "expected basic block name in blockaddress");
     
     // Make a global variable as a placeholder for this reference.