Ban rematerializable instructions with side effects.

[oota-llvm.git] / utils / TableGen / FastISelEmitter.cpp

diff --git a/utils/TableGen/FastISelEmitter.cpp b/utils/TableGen/FastISelEmitter.cpp
index 78ac556bd13f4da87a3972f9c8f3946eaa2f1a8b..9fdc2e33a546b7c14530e94cd2e64abd03d93279 100644 (file)
--- a/utils/TableGen/FastISelEmitter.cpp
+++ b/utils/TableGen/FastISelEmitter.cpp
@@ -18,7 +18,8 @@
 //===----------------------------------------------------------------------===//
 
 #include "FastISelEmitter.h"
-#include "Record.h"
+#include "llvm/TableGen/Error.h"
+#include "llvm/TableGen/Record.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/VectorExtras.h"
 #include "llvm/Support/Debug.h"
@@ -247,10 +248,12 @@ struct OperandsSignature {
       
       // For now, the only other thing we accept is register operands.
       const CodeGenRegisterClass *RC = 0;
+      if (OpLeafRec->isSubClassOf("RegisterOperand"))
+        OpLeafRec = OpLeafRec->getValueAsDef("RegClass");
       if (OpLeafRec->isSubClassOf("RegisterClass"))
         RC = &Target.getRegisterClass(OpLeafRec);
       else if (OpLeafRec->isSubClassOf("Register"))
-        RC = Target.getRegisterClassForRegister(OpLeafRec);
+        RC = Target.getRegBank().getRegClassForRegister(OpLeafRec);
       else
         return false;
 
@@ -406,15 +409,7 @@ static std::string PhyRegForNode(TreePatternNode *Op,
   PhysReg += static_cast<StringInit*>(OpLeafRec->getValue( \
              "Namespace")->getValue())->getValue();
   PhysReg += "::";
-
-  std::vector<CodeGenRegister> Regs = Target.getRegisters();
-  for (unsigned i = 0; i < Regs.size(); ++i) {
-    if (Regs[i].TheDef == OpLeafRec) {
-      PhysReg += Regs[i].getName();
-      break;
-    }
-  }
-
+  PhysReg += Target.getRegBank().getReg(OpLeafRec)->getName();
   return PhysReg;
 }
 
@@ -461,6 +456,8 @@ void FastISelMap::collectPatterns(CodeGenDAGPatterns &CGP) {
     std::string SubRegNo;
     if (Op->getName() != "EXTRACT_SUBREG") {
       Record *Op0Rec = II.Operands[0].Rec;
+      if (Op0Rec->isSubClassOf("RegisterOperand"))
+        Op0Rec = Op0Rec->getValueAsDef("RegClass");
       if (!Op0Rec->isSubClassOf("RegisterClass"))
         continue;
       DstRC = &Target.getRegisterClass(Op0Rec);
@@ -507,7 +504,7 @@ void FastISelMap::collectPatterns(CodeGenDAGPatterns &CGP) {
 
     std::vector<std::string>* PhysRegInputs = new std::vector<std::string>();
     if (InstPatNode->getOperator()->getName() == "imm" ||
-        InstPatNode->getOperator()->getName() == "fpimmm")
+        InstPatNode->getOperator()->getName() == "fpimm")
       PhysRegInputs->push_back("");
     else {
       // Compute the PhysRegs used by the given pattern, and check that