Give full control of subtarget features over to table generated code.

llvm-svn: 24013

2 files changed, 7 insertions, 6 deletions

diff --git a/llvm/lib/Target/Alpha/AlphaSubtarget.cpp b/llvm/lib/Target/Alpha/AlphaSubtarget.cpp
index cc3a6b11f93..22f0c698235 100644
--- a/llvm/lib/Target/Alpha/AlphaSubtarget.cpp
+++ b/llvm/lib/Target/Alpha/AlphaSubtarget.cpp
@@ -19,10 +19,7 @@ using namespace llvm;
 AlphaSubtarget::AlphaSubtarget(const Module &M, const std::string &FS)
   : HasF2I(false), HasCT(false) {
   std::string CPU = "generic";
-  SubtargetFeatures Features(FS);
-  Features.setCPUIfNone(CPU);
-  uint32_t Bits =Features.getBits(SubTypeKV, SubTypeKVSize,
-                                  FeatureKV, FeatureKVSize);
-  HasF2I = (Bits & FeatureFIX) != 0;
-  HasCT  = (Bits & FeatureCIX) != 0;
+
+  // Parse features string.
+  ParseSubtargetFeatures(FS, CPU);
 }
diff --git a/llvm/lib/Target/Alpha/AlphaSubtarget.h b/llvm/lib/Target/Alpha/AlphaSubtarget.h
index 8eadec00d05..d5847f3bf35 100644
--- a/llvm/lib/Target/Alpha/AlphaSubtarget.h
+++ b/llvm/lib/Target/Alpha/AlphaSubtarget.h
@@ -33,6 +33,10 @@ public:
   /// of the specified module.
   ///
   AlphaSubtarget(const Module &M, const std::string &FS);
+  
+  /// ParseSubtargetFeatures - Parses features string setting specified 
+  /// subtarget options.  Definition of function is usto generated by tblgen.
+  void ParseSubtargetFeatures(const std::string &FS, const std::string &CPU);
 
   bool hasF2I() const { return HasF2I; }
   bool hasCT() const { return HasCT; }