[llvm-commits] [llvm] r42945 - in /llvm/trunk: include/llvm/CodeGen/MachineInstr.h lib/CodeGen/MachineInstr.cpp

[Evan Cheng]

Author: evancheng
Date: Fri Oct 12 21:23:01 2007
New Revision: 42945

URL: http://llvm.org/viewvc/llvm-project?rev=42945&view=rev
Log:
Optionally create a MachineInstr without default implicit operands.

Modified:
    llvm/trunk/include/llvm/CodeGen/MachineInstr.h
    llvm/trunk/lib/CodeGen/MachineInstr.cpp

Modified: llvm/trunk/include/llvm/CodeGen/MachineInstr.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/MachineInstr.h?rev=42945&r1=42944&r2=42945&view=diff

==============================================================================
--- llvm/trunk/include/llvm/CodeGen/MachineInstr.h (original)
+++ llvm/trunk/include/llvm/CodeGen/MachineInstr.h Fri Oct 12 21:23:01 2007
@@ -340,7 +340,7 @@
   /// MachineInstr ctor - This constructor create a MachineInstr and add the
   /// implicit operands. It reserves space for number of operands specified by
   /// TargetInstrDescriptor.
-  explicit MachineInstr(const TargetInstrDescriptor &TID);
+  explicit MachineInstr(const TargetInstrDescriptor &TID, bool NoImp = false);
 
   /// MachineInstr ctor - Work exactly the same as the ctor above, except that
   /// the MachineInstr is created and added to the end of the specified basic

Modified: llvm/trunk/lib/CodeGen/MachineInstr.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineInstr.cpp?rev=42945&r1=42944&r2=42945&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/MachineInstr.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineInstr.cpp Fri Oct 12 21:23:01 2007
@@ -58,16 +58,17 @@
 /// implicit operands. It reserves space for number of operands specified by
 /// TargetInstrDescriptor or the numOperands if it is not zero. (for
 /// instructions with variable number of operands).
-MachineInstr::MachineInstr(const TargetInstrDescriptor &tid)
+MachineInstr::MachineInstr(const TargetInstrDescriptor &tid, bool NoImp)
   : TID(&tid), NumImplicitOps(0), parent(0) {
-  if (TID->ImplicitDefs)
+  if (!NoImp && TID->ImplicitDefs)
     for (const unsigned *ImpDefs = TID->ImplicitDefs; *ImpDefs; ++ImpDefs)
       NumImplicitOps++;
-  if (TID->ImplicitUses)
+  if (!NoImp && TID->ImplicitUses)
     for (const unsigned *ImpUses = TID->ImplicitUses; *ImpUses; ++ImpUses)
       NumImplicitOps++;
   Operands.reserve(NumImplicitOps + TID->numOperands);
-  addImplicitDefUseOperands();
+  if (!NoImp)
+    addImplicitDefUseOperands();
   // Make sure that we get added to a machine basicblock
   LeakDetector::addGarbageObject(this);
 }