X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCodeGenInstruction.cpp;h=185db01418b0465f20f7ec3cc65fbb5b23dd3304;hb=63e3e6350b14d04917268be07ca1c29e158fdfd7;hp=4d8693777dfedf14838fd2f5a92fdd63c6f2d29b;hpb=834f1ce0312e3d00d836f9560cb63182c2c4570f;p=oota-llvm.git

diff --git a/utils/TableGen/CodeGenInstruction.cpp b/utils/TableGen/CodeGenInstruction.cpp
index 4d8693777df..185db01418b 100644
--- a/utils/TableGen/CodeGenInstruction.cpp
+++ b/utils/TableGen/CodeGenInstruction.cpp
@@ -21,7 +21,8 @@ static void ParseConstraint(const std::string &CStr, CodeGenInstruction *I) {
   // FIXME: Only supports TIED_TO for now.
   std::string::size_type pos = CStr.find_first_of('=');
   assert(pos != std::string::npos && "Unrecognized constraint");
-  std::string Name = CStr.substr(0, pos);
+  std::string::size_type start = CStr.find_first_not_of(" \t");
+  std::string Name = CStr.substr(start, pos);
   
   // TIED_TO: $src1 = $dst
   std::string::size_type wpos = Name.find_first_of(" \t");
@@ -76,7 +77,6 @@ static void ParseConstraints(const std::string &CStr, CodeGenInstruction *I) {
 
 CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
   : TheDef(R), AsmString(AsmStr) {
-  Name      = R->getValueAsString("Name");
   Namespace = R->getValueAsString("Namespace");
 
   isReturn     = R->getValueAsBit("isReturn");
@@ -84,9 +84,9 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
   isIndirectBranch = R->getValueAsBit("isIndirectBranch");
   isBarrier    = R->getValueAsBit("isBarrier");
   isCall       = R->getValueAsBit("isCall");
-  isSimpleLoad = R->getValueAsBit("isSimpleLoad");
+  canFoldAsLoad = R->getValueAsBit("canFoldAsLoad");
+  mayLoad      = R->getValueAsBit("mayLoad");
   mayStore     = R->getValueAsBit("mayStore");
-  isImplicitDef= R->getValueAsBit("isImplicitDef");
   bool isTwoAddress = R->getValueAsBit("isTwoAddress");
   isPredicable = R->getValueAsBit("isPredicable");
   isConvertibleToThreeAddress = R->getValueAsBit("isConvertibleToThreeAddress");
@@ -97,14 +97,15 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
   usesCustomDAGSchedInserter = R->getValueAsBit("usesCustomDAGSchedInserter");
   hasCtrlDep   = R->getValueAsBit("hasCtrlDep");
   isNotDuplicable = R->getValueAsBit("isNotDuplicable");
+  hasSideEffects = R->getValueAsBit("hasSideEffects");
   mayHaveSideEffects = R->getValueAsBit("mayHaveSideEffects");
   neverHasSideEffects = R->getValueAsBit("neverHasSideEffects");
+  isAsCheapAsAMove = R->getValueAsBit("isAsCheapAsAMove");
   hasOptionalDef = false;
-  hasVariableNumberOfOperands = false;
+  isVariadic = false;
 
-  if (mayHaveSideEffects && neverHasSideEffects)
-    throw R->getName() +
-      ": cannot have both 'mayHaveSideEffects' and 'neverHasSideEffects' set!";
+  if (mayHaveSideEffects + neverHasSideEffects + hasSideEffects > 1)
+    throw R->getName() + ": multiple conflicting side-effect flags set!";
 
   DagInit *DI;
   try {
@@ -160,12 +161,12 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
       else if (Rec->isSubClassOf("OptionalDefOperand"))
         hasOptionalDef = true;
     } else if (Rec->getName() == "variable_ops") {
-      hasVariableNumberOfOperands = true;
+      isVariadic = true;
       continue;
     } else if (!Rec->isSubClassOf("RegisterClass") && 
-               Rec->getName() != "ptr_rc")
+               Rec->getName() != "ptr_rc" && Rec->getName() != "unknown")
       throw "Unknown operand class '" + Rec->getName() +
-            "' in instruction '" + R->getName() + "' instruction!";
+            "' in '" + R->getName() + "' instruction!";
 
     // Check that the operand has a name and that it's unique.
     if (DI->getArgName(i).empty())
@@ -214,14 +215,6 @@ CodeGenInstruction::CodeGenInstruction(Record *R, const std::string &AsmStr)
   }
 }
 
-/// getName - Return the contents of the instruction Name field if set,
-/// otherwise return the name of the def.
-std::string CodeGenInstruction::getName() const {
-  if (!Name.empty()) return Name;
-  return TheDef->getName();
-}
-
-
 /// getOperandNamed - Return the index of the operand with the specified
 /// non-empty name.  If the instruction does not have an operand with the
 /// specified name, throw an exception.