Remove all traces of the "Opcode Mask" field in the MachineInstr class

llvm-svn: 4359
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 769e2d1..4e340d3 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -10,18 +10,18 @@
 
 // Constructor for instructions with fixed #operands (nearly all)
 MachineInstr::MachineInstr(MachineOpCode _opCode)
-  : opCode(_opCode), opCodeMask(0),
+  : opCode(_opCode),
     operands(TargetInstrDescriptors[_opCode].numOperands, MachineOperand()) {
   assert(TargetInstrDescriptors[_opCode].numOperands >= 0);
 }
 
 // Constructor for instructions with variable #operands
 MachineInstr::MachineInstr(MachineOpCode OpCode, unsigned  numOperands)
-  : opCode(OpCode), opCodeMask(0), operands(numOperands, MachineOperand()) {
+  : opCode(OpCode), operands(numOperands, MachineOperand()) {
 }
 
 MachineInstr::MachineInstr(MachineOpCode Opcode, unsigned numOperands,
-                           bool XX, bool YY) : opCode(Opcode), opCodeMask(0) {
+                           bool XX, bool YY) : opCode(Opcode) {
   operands.reserve(numOperands);
 }
 
@@ -41,7 +41,6 @@
 // 
 void MachineInstr::replace(MachineOpCode Opcode, unsigned numOperands) {
   opCode = Opcode;
-  opCodeMask = 0;
   operands.clear();
   operands.resize(numOperands, MachineOperand());
 }
diff --git a/llvm/lib/Target/Sparc/SparcInstr.def b/llvm/lib/Target/Sparc/SparcInstr.def
index f277224..93613cb 100644
--- a/llvm/lib/Target/Sparc/SparcInstr.def
+++ b/llvm/lib/Target/Sparc/SparcInstr.def
@@ -52,14 +52,12 @@
 I(SETHI, "sethi",	2,  1, B22, false, 0,  1,  SPARC_IEUN,  M_INT_FLAG | M_LOGICAL_FLAG | M_ARITH_FLAG)
 
 // Add or add with carry.
-// Immed bit specifies if second operand is immediate(1) or register(0)
 I(ADD   , "add",	3,  2, B12, true , 0, 1, SPARC_IEUN,  M_INT_FLAG | M_ARITH_FLAG)
 I(ADDcc , "addcc",	4,  2, B12, true , 0, 1, SPARC_IEU1,  M_INT_FLAG | M_ARITH_FLAG | M_CC_FLAG )
 I(ADDC  , "addc",	3,  2, B12, true , 0, 1, SPARC_IEUN,  M_INT_FLAG | M_ARITH_FLAG)
 I(ADDCcc, "addccc",	4,  2, B12, true , 0, 1, SPARC_IEU1,  M_INT_FLAG | M_ARITH_FLAG | M_CC_FLAG )
 
 // Subtract or subtract with carry.
-// Immed bit specifies if second operand is immediate(1) or register(0)
 I(SUB   , "sub",	3,  2, B12, true , 0, 1, SPARC_IEUN,  M_INT_FLAG | M_ARITH_FLAG)
 I(SUBcc , "subcc",	4,  2, B12, true , 0, 1, SPARC_IEU1,  M_INT_FLAG | M_ARITH_FLAG | M_CC_FLAG )
 I(SUBC  , "subc",	3,  2, B12, true , 0, 1, SPARC_IEUN,  M_INT_FLAG | M_ARITH_FLAG)
@@ -157,8 +155,6 @@
 I(FITOQ, "fitoq",	2,  1,   0, false, 0, 0,  SPARC_FPA,  M_FLOAT_FLAG | M_INT_FLAG | M_ARITH_FLAG)
 
 // Branch on integer comparison with zero.
-// Annul bit specifies if intruction in delay slot is annulled(1) or not(0).
-// PredictTaken bit hints if branch should be predicted taken(1) or not(0).
 // Latency excludes the delay slot since it can be issued in same cycle.
 I(BRZ  , "brz", 	2, -1, B15, true , 1, 1,  SPARC_CTI,  M_INT_FLAG | M_BRANCH_FLAG)
 I(BRLEZ, "brlez",	2, -1, B15, true , 1, 1,  SPARC_CTI,  M_INT_FLAG | M_BRANCH_FLAG)
@@ -170,8 +166,6 @@
 // Branch on integer condition code.
 // The first argument specifies the ICC register: %icc or %xcc
 // Latency includes the delay slot.
-// Annul bit specifies if intruction in delay slot is annulled(1) or not(0).
-// PredictTaken bit hints if branch should be predicted taken(1) or not(0).
 I(BA  , "ba",		1, -1, B21, true , 1, 2,  SPARC_CTI,  M_CC_FLAG | M_BRANCH_FLAG)
 I(BN  , "bn",		2, -1, B21, true , 1, 2,  SPARC_CTI,  M_CC_FLAG | M_BRANCH_FLAG)
 I(BNE , "bne",		2, -1, B21, true , 1, 2,  SPARC_CTI,  M_CC_FLAG | M_BRANCH_FLAG)
@@ -190,8 +184,6 @@
 I(BVS , "bvs",		2, -1, B21, true , 1, 2,  SPARC_CTI,  M_CC_FLAG | M_BRANCH_FLAG)
 
 // Branch on floating point condition code.
-// Annul bit specifies if intruction in delay slot is annulled(1) or not(0).
-// PredictTaken bit hints if branch should be predicted taken(1) or not(0).
 // The first argument is the FCCn register (0 <= n <= 3).
 // Latency includes the delay slot.
 I(FBA  , "fba",		2, -1, B18, true , 1, 2,  SPARC_CTI,  M_CC_FLAG | M_BRANCH_FLAG)
diff --git a/llvm/lib/Target/Sparc/SparcInternals.h b/llvm/lib/Target/Sparc/SparcInternals.h
index 72691a2..6f28300 100644
--- a/llvm/lib/Target/Sparc/SparcInternals.h
+++ b/llvm/lib/Target/Sparc/SparcInternals.h
@@ -22,13 +22,6 @@
 class PhyRegAlloc;
 class Pass;
 
-// OpCodeMask definitions for the Sparc V9
-// 
-const OpCodeMask	Immed		= 0x00002000; // immed or reg operand?
-const OpCodeMask	Annul		= 0x20000000; // annul delay instr?
-const OpCodeMask	PredictTaken	= 0x00080000; // predict branch taken?
-
-
 enum SparcInstrSchedClass {
   SPARC_NONE,		/* Instructions with no scheduling restrictions */
   SPARC_IEUN,		/* Integer class that can use IEU0 or IEU1 */