Remove some dead code.

llvm-svn: 78219

3 files changed, 1 insertions, 35 deletions

diff --git a/llvm/lib/Target/ARM/ARMSubtarget.cpp b/llvm/lib/Target/ARM/ARMSubtarget.cpp
index 4e706c5b39c..ba63ff42caf 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.cpp
+++ b/llvm/lib/Target/ARM/ARMSubtarget.cpp
@@ -81,10 +81,6 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &FS,
     if (TT.find("-darwin") != std::string::npos)
       // arm-darwin
       TargetType = isDarwin;
-  } else if (TT.empty()) {
-#if defined(__APPLE__)
-    TargetType = isDarwin;
-#endif
   }
 
   if (TT.find("eabi") != std::string::npos)
diff --git a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
index e0937e21c10..ef17105160e 100644
--- a/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
+++ b/llvm/lib/Target/PowerPC/PPCSubtarget.cpp
@@ -103,15 +103,6 @@ PPCSubtarget::PPCSubtarget(const std::string &TT, const std::string &FS,
       else
         DarwinVers = 8;  // Minimum supported darwin is Tiger.
     }
-  } else if (TT.empty()) {
-    // Try to autosense the subtarget from the host compiler.
-#if defined(__APPLE__)
-#if __APPLE_CC__ > 5400
-    DarwinVers = 9;  // GCC 5400+ is Leopard.
-#else
-    DarwinVers = 8;  // Minimum supported darwin is Tiger.
-#endif
-#endif
   }
 
   // Set up darwin-specific properties.
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index f3a8d75c8a0..9052b33e6e7 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -458,31 +458,10 @@ X86Subtarget::X86Subtarget(const std::string &TT, const std::string &FS,
       TargetType = isWindows;
     } else if (TT.find("windows") != std::string::npos) {
       TargetType = isWindows;
-    }
-    else if (TT.find("-cl") != std::string::npos) {
+    } else if (TT.find("-cl") != std::string::npos) {
       TargetType = isDarwin;
       DarwinVers = 9;
     }
-  } else if (TT.empty()) {
-#if defined(__CYGWIN__)
-    TargetType = isCygwin;
-#elif defined(__MINGW32__) || defined(__MINGW64__)
-    TargetType = isMingw;
-#elif defined(__APPLE__)
-    TargetType = isDarwin;
-#if __APPLE_CC__ > 5400
-    DarwinVers = 9;  // GCC 5400+ is Leopard.
-#else
-    DarwinVers = 8;  // Minimum supported darwin is Tiger.
-#endif
-    
-#elif defined(_WIN32) || defined(_WIN64)
-    TargetType = isWindows;
-#elif defined(__linux__)
-    // Linux doesn't imply ELF, but we don't currently support anything else.
-    TargetType = isELF;
-    IsLinux = true;
-#endif
   }
 
   // If the asm syntax hasn't been overridden on the command line, use whatever