X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=utils%2FTableGen%2FCallingConvEmitter.cpp;h=94f3c6518ca05c9bd9fddcbfd69ee69da0cdb4c9;hb=22bd64173981bf1251c4b3bfc684207340534ba3;hp=82e13dd4eeeba1d82d205a164161c06fdd409ea7;hpb=e922c0201916e0b980ab3cfe91e1413e68d55647;p=oota-llvm.git

diff --git a/utils/TableGen/CallingConvEmitter.cpp b/utils/TableGen/CallingConvEmitter.cpp
index 82e13dd4eee..94f3c6518ca 100644
--- a/utils/TableGen/CallingConvEmitter.cpp
+++ b/utils/TableGen/CallingConvEmitter.cpp
@@ -12,13 +12,29 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "CallingConvEmitter.h"
-#include "Record.h"
 #include "CodeGenTarget.h"
+#include "llvm/TableGen/Error.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/TableGen/TableGenBackend.h"
+#include <cassert>
 using namespace llvm;
 
+namespace {
+class CallingConvEmitter {
+  RecordKeeper &Records;
+public:
+  explicit CallingConvEmitter(RecordKeeper &R) : Records(R) {}
+
+  void run(raw_ostream &o);
+
+private:
+  void EmitCallingConv(Record *CC, raw_ostream &O);
+  void EmitAction(Record *Action, unsigned Indent, raw_ostream &O);
+  unsigned Counter;
+};
+} // End anonymous namespace
+
 void CallingConvEmitter::run(raw_ostream &O) {
-  EmitSourceFileHeader("Calling Convention Implementation Fragment", O);
 
   std::vector<Record*> CCs = Records.getAllDerivedDefinitions("CallingConv");
   
@@ -78,7 +94,7 @@ void CallingConvEmitter::EmitAction(Record *Action,
       O << Action->getValueAsString("Predicate");
     } else {
       Action->dump();
-      throw "Unknown CCPredicateAction!";
+      PrintFatalError("Unknown CCPredicateAction!");
     }
     
     O << ") {\n";
@@ -96,7 +112,7 @@ void CallingConvEmitter::EmitAction(Record *Action,
         O << IndentStr << "if (unsigned Reg = State.AllocateReg(";
         O << getQualifiedName(RegList->getElementAsRecord(0)) << ")) {\n";
       } else {
-        O << IndentStr << "static const unsigned RegList" << ++Counter
+        O << IndentStr << "static const uint16_t RegList" << ++Counter
           << "[] = {\n";
         O << IndentStr << "  ";
         for (unsigned i = 0, e = RegList->getSize(); i != e; ++i) {
@@ -116,7 +132,7 @@ void CallingConvEmitter::EmitAction(Record *Action,
       ListInit *ShadowRegList = Action->getValueAsListInit("ShadowRegList");
       if (ShadowRegList->getSize() >0 &&
           ShadowRegList->getSize() != RegList->getSize())
-        throw "Invalid length of list of shadowed registers";
+        PrintFatalError("Invalid length of list of shadowed registers");
 
       if (RegList->getSize() == 1) {
         O << IndentStr << "if (unsigned Reg = State.AllocateReg(";
@@ -127,7 +143,7 @@ void CallingConvEmitter::EmitAction(Record *Action,
         unsigned RegListNumber = ++Counter;
         unsigned ShadowRegListNumber = ++Counter;
 
-        O << IndentStr << "static const unsigned RegList" << RegListNumber
+        O << IndentStr << "static const uint16_t RegList" << RegListNumber
           << "[] = {\n";
         O << IndentStr << "  ";
         for (unsigned i = 0, e = RegList->getSize(); i != e; ++i) {
@@ -136,7 +152,7 @@ void CallingConvEmitter::EmitAction(Record *Action,
         }
         O << "\n" << IndentStr << "};\n";
 
-        O << IndentStr << "static const unsigned RegList"
+        O << IndentStr << "static const uint16_t RegList"
           << ShadowRegListNumber << "[] = {\n";
         O << IndentStr << "  ";
         for (unsigned i = 0, e = ShadowRegList->getSize(); i != e; ++i) {
@@ -162,13 +178,15 @@ void CallingConvEmitter::EmitAction(Record *Action,
       if (Size)
         O << Size << ", ";
       else
-        O << "\n" << IndentStr << "  State.getTarget().getTargetData()"
-          "->getTypeAllocSize(LocVT.getTypeForMVT(State.getContext())), ";
+        O << "\n" << IndentStr << "  State.getTarget().getDataLayout()"
+          "->getTypeAllocSize(EVT(LocVT).getTypeForEVT(State.getContext())), ";
       if (Align)
         O << Align;
       else
-        O << "\n" << IndentStr << "  State.getTarget().getTargetData()"
-          "->getABITypeAlignment(LocVT.getTypeForMVT(State.getContext()))";
+        O << "\n" << IndentStr << "  State.getTarget().getDataLayout()"
+          "->getABITypeAlignment(EVT(LocVT).getTypeForEVT(State.getContext()))";
+      if (Action->isSubClassOf("CCAssignToStackWithShadow"))
+        O << ", " << getQualifiedName(Action->getValueAsDef("ShadowReg"));
       O << ");\n" << IndentStr
         << "State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset"
         << Counter << ", LocVT, LocInfo));\n";
@@ -186,6 +204,10 @@ void CallingConvEmitter::EmitAction(Record *Action,
       Record *DestTy = Action->getValueAsDef("DestTy");
       O << IndentStr << "LocVT = " << getEnumName(getValueType(DestTy)) <<";\n";
       O << IndentStr << "LocInfo = CCValAssign::BCvt;\n";
+    } else if (Action->isSubClassOf("CCPassIndirect")) {
+      Record *DestTy = Action->getValueAsDef("DestTy");
+      O << IndentStr << "LocVT = " << getEnumName(getValueType(DestTy)) <<";\n";
+      O << IndentStr << "LocInfo = CCValAssign::Indirect;\n";
     } else if (Action->isSubClassOf("CCPassByVal")) {
       int Size = Action->getValueAsInt("Size");
       int Align = Action->getValueAsInt("Align");
@@ -200,7 +222,16 @@ void CallingConvEmitter::EmitAction(Record *Action,
       O << IndentStr << IndentStr << "return false;\n";
     } else {
       Action->dump();
-      throw "Unknown CCAction!";
+      PrintFatalError("Unknown CCAction!");
     }
   }
 }
+
+namespace llvm {
+
+void EmitCallingConv(RecordKeeper &RK, raw_ostream &OS) {
+  emitSourceFileHeader("Calling Convention Implementation Fragment", OS);
+  CallingConvEmitter(RK).run(OS);
+}
+
+} // End llvm namespace