[llvm] r198097 - IAS: support .rep as an alias for .rept

[Saleem Abdulrasool]

Author: compnerd
Date: Fri Dec 27 23:54:33 2013
New Revision: 198097

URL: http://llvm.org/viewvc/llvm-project?rev=198097&view=rev
Log:
IAS: support .rep as an alias for .rept

The GNU assembler supports .rep as an alias for .rept.  This simply creates the
alias for it and introduces a test for both .rept and .rep.

Added:
    llvm/trunk/test/MC/AsmParser/directive_rept.s
Modified:
    llvm/trunk/lib/MC/MCParser/AsmParser.cpp

Modified: llvm/trunk/lib/MC/MCParser/AsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCParser/AsmParser.cpp?rev=198097&r1=198096&r2=198097&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCParser/AsmParser.cpp (original)
+++ llvm/trunk/lib/MC/MCParser/AsmParser.cpp Fri Dec 27 23:54:33 2013
@@ -453,7 +453,7 @@ private:
   MCAsmMacro *parseMacroLikeBody(SMLoc DirectiveLoc);
   void instantiateMacroLikeBody(MCAsmMacro *M, SMLoc DirectiveLoc,
                                 raw_svector_ostream &OS);
-  bool parseDirectiveRept(SMLoc DirectiveLoc); // ".rept"
+  bool parseDirectiveRept(SMLoc DirectiveLoc, StringRef Directive);
   bool parseDirectiveIrp(SMLoc DirectiveLoc);  // ".irp"
   bool parseDirectiveIrpc(SMLoc DirectiveLoc); // ".irpc"
   bool parseDirectiveEndr(SMLoc DirectiveLoc); // ".endr"
@@ -1438,7 +1438,7 @@ bool AsmParser::parseStatement(ParseStat
     case DK_CODE16GCC:
       return TokError(Twine(IDVal) + " not supported yet");
     case DK_REPT:
-      return parseDirectiveRept(IDLoc);
+      return parseDirectiveRept(IDLoc, IDVal);
     case DK_IRP:
       return parseDirectiveIrp(IDLoc);
     case DK_IRPC:
@@ -3836,6 +3836,7 @@ void AsmParser::initializeDirectiveKindM
   DirectiveKindMap[".code16"] = DK_CODE16;
   DirectiveKindMap[".code16gcc"] = DK_CODE16GCC;
   DirectiveKindMap[".rept"] = DK_REPT;
+  DirectiveKindMap[".rep"] = DK_REPT;
   DirectiveKindMap[".irp"] = DK_IRP;
   DirectiveKindMap[".irpc"] = DK_IRPC;
   DirectiveKindMap[".endr"] = DK_ENDR;
@@ -3954,16 +3955,18 @@ void AsmParser::instantiateMacroLikeBody
   Lex();
 }
 
-bool AsmParser::parseDirectiveRept(SMLoc DirectiveLoc) {
+/// parseDirectiveRept
+///   ::= .rep | .rept count
+bool AsmParser::parseDirectiveRept(SMLoc DirectiveLoc, StringRef Dir) {
   int64_t Count;
   if (parseAbsoluteExpression(Count))
-    return TokError("unexpected token in '.rept' directive");
+    return TokError("unexpected token in '" + Dir + "' directive");
 
   if (Count < 0)
     return TokError("Count is negative");
 
   if (Lexer.isNot(AsmToken::EndOfStatement))
-    return TokError("unexpected token in '.rept' directive");
+    return TokError("unexpected token in '" + Dir + "' directive");
 
   // Eat the end of statement.
   Lex();

Added: llvm/trunk/test/MC/AsmParser/directive_rept.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/AsmParser/directive_rept.s?rev=198097&view=auto
==============================================================================
--- llvm/trunk/test/MC/AsmParser/directive_rept.s (added)
+++ llvm/trunk/test/MC/AsmParser/directive_rept.s Fri Dec 27 23:54:33 2013
@@ -0,0 +1,30 @@
+# RUN: llvm-mc -triple i686-elf -filetype asm -o - %s | FileCheck %s
+
+	.data
+
+	.global two_bad_calls
+	.type two_bad_calls, at function
+two_bad_calls:
+	.rept 2
+	.long 0xbadca11
+	.endr
+
+# CHECK-LABEL: two_bad_calls
+# CHECK: .long	195938833
+# CHECK: .long	195938833
+
+	.global half_a_dozen_daffodils
+	.type half_a_dozen_daffodils, at function
+half_a_dozen_daffodils:
+	.rep 6
+	.long 0xdaff0d11
+	.endr
+
+# CHECK-LABEL: half_a_dozen_daffodils
+# CHECK: .long	3674148113
+# CHECK: .long	3674148113
+# CHECK: .long	3674148113
+# CHECK: .long	3674148113
+# CHECK: .long	3674148113
+# CHECK: .long	3674148113
+