Initialize the target architecture based on compiler defines, so if compiled on

x86 or Sparc, LLC will automatically default to that platform, no guessing
required. On another platform, it will default to `noarch' and will have to
guess which architecture to compile to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7207 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 4d1bb772edf318c532bd587eb74c91f6e85780fb..71667c34a3ccd2fe336c2ed2ac4b3794af0fc671 100644 (file)
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -35,7 +35,14 @@ Arch("march", cl::desc("Architecture to generate assembly for:"), cl::Prefix,
      cl::values(clEnumVal(x86, "  IA-32 (Pentium and above)"),
                 clEnumValN(Sparc, "sparc", "  SPARC V9"),
                0),
-     cl::init(noarch));
+#if defined(i386) || defined(__i386__) || defined(__x86__)
+     cl::init(x86)
+#elif defined(sparc) || defined(__sparc__) || defined(__sparcv9)
+     cl::init(Sparc)
+#else
+     cl::init(noarch)
+#endif
+     );
 
 // GetFileNameRoot - Helper function to get the basename of a filename...
 static inline std::string