Parse undef and unreachable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@17053 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AsmParser/ParserInternals.h b/lib/AsmParser/ParserInternals.h
index 9fdc8e6..98ea034 100644
--- a/lib/AsmParser/ParserInternals.h
+++ b/lib/AsmParser/ParserInternals.h
@@ -72,7 +72,7 @@
struct ValID {
enum {
NumberVal, NameVal, ConstSIntVal, ConstUIntVal, ConstFPVal, ConstNullVal,
- ConstantVal,
+ ConstUndefVal, ConstantVal,
} Type;
union {
@@ -108,6 +108,10 @@
ValID D; D.Type = ConstNullVal; return D;
}
+ static ValID createUndef() {
+ ValID D; D.Type = ConstUndefVal; return D;
+ }
+
static ValID create(Constant *Val) {
ValID D; D.Type = ConstantVal; D.ConstantValue = Val; return D;
}
@@ -130,6 +134,7 @@
case NameVal : return Name;
case ConstFPVal : return ftostr(ConstPoolFP);
case ConstNullVal : return "null";
+ case ConstUndefVal : return "undef";
case ConstUIntVal :
case ConstSIntVal : return std::string("%") + itostr(ConstPool64);
case ConstantVal:
@@ -152,6 +157,7 @@
case ConstUIntVal: return UConstPool64 < V.UConstPool64;
case ConstFPVal: return ConstPoolFP < V.ConstPoolFP;
case ConstNullVal: return false;
+ case ConstUndefVal: return false;
case ConstantVal: return ConstantValue < V.ConstantValue;
default: assert(0 && "Unknown value type!"); return false;
}