[llvm-commits] [llvm] r99446 - /llvm/trunk/include/llvm/Target/TargetInstrDesc.h

[Chris Lattner]

Author: lattner
Date: Wed Mar 24 18:07:47 2010
New Revision: 99446

URL: http://llvm.org/viewvc/llvm-project?rev=99446&view=rev
Log:
add a convenient TargetInstrDesc::getNumImplicitUses/Defs method.

Modified:
    llvm/trunk/include/llvm/Target/TargetInstrDesc.h

Modified: llvm/trunk/include/llvm/Target/TargetInstrDesc.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Target/TargetInstrDesc.h?rev=99446&r1=99445&r2=99446&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Target/TargetInstrDesc.h (original)
+++ llvm/trunk/include/llvm/Target/TargetInstrDesc.h Wed Mar 24 18:07:47 2010
@@ -204,6 +204,16 @@
     return ImplicitUses;
   }
   
+  /// getNumImplicitUses - Return the number of implicit uses this instruction
+  /// has.
+  unsigned getNumImplicitUses() const {
+    if (ImplicitUses == 0) return 0;
+    unsigned i = 0;
+    for (; ImplicitUses[i]; ++i) /*empty*/;
+    return i;
+  }
+  
+  
   /// getImplicitDefs - Return a list of registers that are potentially
   /// written by any instance of this machine instruction.  For example, on X86,
   /// many instructions implicitly set the flags register.  In this case, they
@@ -218,6 +228,15 @@
     return ImplicitDefs;
   }
   
+  /// getNumImplicitDefs - Return the number of implicit defs this instruction
+  /// has.
+  unsigned getNumImplicitDefs() const {
+    if (ImplicitDefs == 0) return 0;
+    unsigned i = 0;
+    for (; ImplicitDefs[i]; ++i) /*empty*/;
+    return i;
+  }
+  
   /// hasImplicitUseOfPhysReg - Return true if this instruction implicitly
   /// uses the specified physical register.
   bool hasImplicitUseOfPhysReg(unsigned Reg) const {