[llvm] r264579 - Sparc: silently ignore .proc assembler directive

[Douglas Katzman via llvm-commits]

Author: dougk
Date: Mon Mar 28 09:00:11 2016
New Revision: 264579

URL: http://llvm.org/viewvc/llvm-project?rev=264579&view=rev
Log:
Sparc: silently ignore .proc assembler directive

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

Modified:
    llvm/trunk/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
    llvm/trunk/test/MC/Sparc/sparc-directives.s

Modified: llvm/trunk/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp?rev=264579&r1=264578&r2=264579&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp (original)
+++ llvm/trunk/lib/Target/Sparc/AsmParser/SparcAsmParser.cpp Mon Mar 28 09:00:11 2016
@@ -684,6 +684,12 @@ ParseDirective(AsmToken DirectiveID)
     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;

Modified: llvm/trunk/test/MC/Sparc/sparc-directives.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/Sparc/sparc-directives.s?rev=264579&r1=264578&r2=264579&view=diff
==============================================================================
--- llvm/trunk/test/MC/Sparc/sparc-directives.s (original)
+++ llvm/trunk/test/MC/Sparc/sparc-directives.s Mon Mar 28 09:00:11 2016
@@ -1,6 +1,10 @@
 ! RUN: llvm-mc %s -arch=sparc   -show-encoding | FileCheck %s --check-prefix=SPARC32
 ! RUN: llvm-mc %s -arch=sparcv9 -show-encoding | FileCheck %s --check-prefix=SPARC64
 
+        ! '.proc' is documented to do nothing in the binutils assembler.
+        ! so it should do nothing for clang either, i.e. not be an error.
+        .proc 1
+
         ! SPARC32: .byte 24
         ! SPARC64: .byte 24
         .byte 24