Change createAsmParser to take a MCSubtargetInfo instead of triple,

CPU, and feature string. Parsing some asm directives can change
subtarget state (e.g. .code 16) and it must be reflected in other
modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance
must be shared.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134795 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/MC/SubtargetFeature.h b/include/llvm/MC/SubtargetFeature.h
index fccff03126..1a7dc927da 100644
--- a/include/llvm/MC/SubtargetFeature.h
+++ b/include/llvm/MC/SubtargetFeature.h
@@ -82,6 +82,12 @@ public:
   /// Adding Features.
   void AddFeature(const StringRef String, bool IsEnabled = true);
            
+  /// ToggleFeature - Toggle a feature and returns the newly updated feature
+  /// bits.
+  uint64_t ToggleFeature(uint64_t Bits, const StringRef String,
+                         const SubtargetFeatureKV *FeatureTable,
+                         size_t FeatureTableSize);
+           
   /// Get feature bits of a CPU.
   uint64_t getFeatureBits(const StringRef CPU,
                           const SubtargetFeatureKV *CPUTable,