Sparc: silently ignore .proc assembler directive

Differential Revision: http://reviews.llvm.org/D18463

llvm-svn: 264579
diff --git a/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp b/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
index 37410c9..59a7394 100644
--- a/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
+++ b/llvm/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
@@ -684,6 +684,12 @@
     Parser.eatToEndOfStatement();
     return false;
   }
+  if (IDVal == ".proc") {
+    // For compatibility, ignore this directive.
+    // (It's supposed to be an "optimization" in the Sun assembler)
+    Parser.eatToEndOfStatement();
+    return false;
+  }
 
   // Let the MC layer to handle other directives.
   return true;