From 9660c5d3e0d303393e564a6af7504395e36f7b8c Mon Sep 17 00:00:00 2001
From: Mikhail Glushenkov <foldr@codedgers.com>
Date: Tue, 23 Feb 2010 09:05:21 +0000
Subject: [PATCH] Input files with empty suffixes must be passed to linker.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96927 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CompilerDriver/CompilationGraph.cpp | 3 ++-
 tools/llvmc/plugins/Base/Base.td.in     | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/lib/CompilerDriver/CompilationGraph.cpp b/lib/CompilerDriver/CompilationGraph.cpp
index a36d3fb692a..7d1c7fe4a62 100644
--- a/lib/CompilerDriver/CompilationGraph.cpp
+++ b/lib/CompilerDriver/CompilationGraph.cpp
@@ -34,7 +34,8 @@ namespace llvmc {
 
   const std::string& LanguageMap::GetLanguage(const sys::Path& File) const {
     StringRef suf = File.getSuffix();
-    LanguageMap::const_iterator Lang = this->find(suf);
+    LanguageMap::const_iterator Lang =
+      this->find(suf.empty() ? "*empty*" : suf);
     if (Lang == this->end())
       throw std::runtime_error("File '" + File.str() +
                                 "' has unknown suffix '" + suf.str() + '\'');
diff --git a/tools/llvmc/plugins/Base/Base.td.in b/tools/llvmc/plugins/Base/Base.td.in
index d2c1f0c04ed..6ed47499843 100644
--- a/tools/llvmc/plugins/Base/Base.td.in
+++ b/tools/llvmc/plugins/Base/Base.td.in
@@ -311,7 +311,7 @@ def LanguageMap : LanguageMap<
      LangToSuffixes<"assembler-with-cpp", ["S"]>,
      LangToSuffixes<"llvm-assembler", ["ll"]>,
      LangToSuffixes<"llvm-bitcode", ["bc"]>,
-     LangToSuffixes<"object-code", ["o"]>,
+     LangToSuffixes<"object-code", ["o", "*empty*"]>,
      LangToSuffixes<"executable", ["out"]>
      ]>;