Split AsmParser into two components - AsmParser and AsmParserVariant

AsmParser holds info specific to target parser.
AsmParserVariant holds info specific to asm variants supported by the target.

llvm-svn: 147787

1 files changed, 20 insertions, 0 deletions

diff --git a/llvm/utils/TableGen/CodeGenTarget.cpp b/llvm/utils/TableGen/CodeGenTarget.cpp
index cb98518..be3ea74 100644
--- a/llvm/utils/TableGen/CodeGenTarget.cpp
+++ b/llvm/utils/TableGen/CodeGenTarget.cpp
@@ -150,6 +150,26 @@ Record *CodeGenTarget::getAsmParser() const {
   return LI[AsmParserNum];
 }
 
+/// getAsmParserVariant - Return the AssmblyParserVariant definition for
+/// this target.
+///
+Record *CodeGenTarget::getAsmParserVariant(unsigned i) const {
+  std::vector<Record*> LI = 
+    TargetRec->getValueAsListOfDefs("AssemblyParserVariants");
+  if (i >= LI.size())
+    throw "Target does not have an AsmParserVariant #" + utostr(i) + "!";
+  return LI[i];
+}
+
+/// getAsmParserVariantCount - Return the AssmblyParserVariant definition 
+/// available for this target.
+///
+unsigned CodeGenTarget::getAsmParserVariantCount() const {
+  std::vector<Record*> LI = 
+    TargetRec->getValueAsListOfDefs("AssemblyParserVariants");
+  return LI.size();
+}
+
 /// getAsmWriter - Return the AssemblyWriter definition for this target.
 ///
 Record *CodeGenTarget::getAsmWriter() const {