[Asm] Finish matching once end of formal and actual lists reached (NFC)

This is NFC, as the matcher would continue looping up to the maximum
number of operands with no effect, but this should improve performance a
bit, and makes the debug trace clearer.

Differential revision: https://reviews.llvm.org/D36744

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@318769 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index d279e8c3ae9490c3924db4cc7c12b36661479f4c..4fe060b05fa71e82709f0992b9eb729fec6d0dce 100644 (file)
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -3323,6 +3323,7 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
     OS << "          }\n";
     OS << "        } else {\n";
     OS << "          DEBUG_WITH_TYPE(\"asm-matcher\", dbgs() << \"but formal operand not required\\n\");\n";
+    OS << "          break;\n";
     OS << "        }\n";
     OS << "        continue;\n";
   } else {