add bindings for instruction description methods to MCInstrDesc

use these new bindings instead of MCInstrAnalysis bindings in
llvm.mc.Instr because MCInstrAnalaysis is just a thin layer
encapsulating MCInstrInfo that seems largely pointless.

llvm/mc/__init__.py

@@ -106,25 +106,28 @@ class Instr(object):
         return self.mcinst.getOpcode()
 
     def is_branch(self):
-        return self.tm.instr_analysis.isBranch(self.mcinst)
+        return self.instr_desc.isBranch()
 
     def is_cond_branch(self):
-        return self.tm.instr_analysis.isConditionalBranch(self.mcinst)
+        return self.instr_desc.isConditionalBranch()
 
     def is_uncond_branch(self):
-        return self.tm.instr_analysis.isUnconditionalBranch(self.mcinst)
+        return self.instr_desc.isUnconditionalBranch()
 
     def is_indirect_branch(self):
-        return self.tm.instr_analysis.isIndirectBranch(self.mcinst)
+        return self.instr_desc.isIndirectBranch()
 
     def is_call(self):
-        return self.tm.instr_analysis.isCall(self.mcinst)
+        return self.instr_desc.isCall()
 
     def is_return(self):
-        return self.tm.instr_analysis.isReturn(self.mcinst)
+        return self.instr_desc.isReturn()
 
     def is_terminator(self):
-        return self.tm.instr_analysis.isTerminator(self.mcinst)
+        return self.instr_desc.isTerminator()
+
+    def is_barrier(self):
+        return self.instr_desc.isBarrier()
 
 class BadInstr(Instr):
     pass

llvmpy/src/MC/__init__.py

@@ -22,11 +22,24 @@ TargetRegisterInfo = llvm.Class(MCRegisterInfo)
 
 @MCInstrDesc
 class MCInstrDesc:
-   _include_ = "llvm/MC/MCInstrDesc.h"
+    _include_ = "llvm/MC/MCInstrDesc.h"
+
+    TSFlags = Attr(getter=cast(Uint64, int), setter=cast(int, Uint64))
+    getFlags = Method(cast(Unsigned, int))
+    getOpcode = Method(cast(Unsigned, int))
+
+    def _ret_bool():
+        return Method(cast(Bool, bool))
+
+    isReturn = _ret_bool()
+    isCall = _ret_bool()
+    isBarrier = _ret_bool()
+    isBranch = _ret_bool()
+    isTerminator = _ret_bool()
+    isIndirectBranch = _ret_bool()
+    isConditionalBranch = _ret_bool()
+    isUnconditionalBranch = _ret_bool()
 
-   TSFlags = Attr(getter=cast(Uint64, int), setter=cast(int, Uint64))
-   getFlags = Method(cast(Unsigned, int))
-   getOpcode = Method(cast(Unsigned, int))
 
 @MCSubtargetInfo
 class MCSubtargetInfo:

test/example-disassemble.py

@@ -16,7 +16,8 @@ if llvm.version >= (3, 4):
             'is_indirect_branch',
             'is_call',
             'is_return',
-            'is_terminator'
+            'is_terminator',
+            'is_barrier'
         ]
 
         print("print instructions")