[WebAssembly] Experimental ELF writer support

This creates the initial infrastructure for writing ELF output files. It
doesn't yet have any implementation for encoding instructions.

Differential Revision: http://reviews.llvm.org/D15555

llvm-svn: 255869

1 files changed, 2 insertions, 5 deletions

diff --git a/llvm/lib/Support/Triple.cpp b/llvm/lib/Support/Triple.cpp
index ed91c20..9061d17 100644
--- a/llvm/lib/Support/Triple.cpp
+++ b/llvm/lib/Support/Triple.cpp
@@ -550,6 +550,8 @@ static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
   case Triple::sparc:
   case Triple::sparcv9:
   case Triple::systemz:
+  case Triple::wasm32:
+  case Triple::wasm64:
   case Triple::xcore:
   case Triple::ppc64le:
     return Triple::ELF;
@@ -559,11 +561,6 @@ static Triple::ObjectFormatType getDefaultFormat(const Triple &T) {
     if (T.isOSDarwin())
       return Triple::MachO;
     return Triple::ELF;
-
-  case Triple::wasm32:
-  case Triple::wasm64:
-    // Unknown for now, until an object format is specified.
-    return Triple::UnknownObjectFormat;
   }
 
   if (T.isOSDarwin())