[LIT] Add a clang_tools_extra_site_cfg to match the various other site_cfg.

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

diff --git a/utils/TableGen/CallingConvEmitter.cpp b/utils/TableGen/CallingConvEmitter.cpp
index befad6fcea39f8ae72a5c172747681e8225ec938..e9c4bd30f9143590efcdcbc26cf93fd17f3b8826 100644 (file)
--- a/utils/TableGen/CallingConvEmitter.cpp
+++ b/utils/TableGen/CallingConvEmitter.cpp
@@ -12,13 +12,28 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "CallingConvEmitter.h"
-#include "Record.h"
 #include "CodeGenTarget.h"
+#include "llvm/TableGen/Record.h"
+#include "llvm/TableGen/TableGenBackend.h"
+#include <cassert>
 using namespace llvm;
 
-void CallingConvEmitter::run(std::ostream &O) {
-  EmitSourceFileHeader("Calling Convention Implementation Fragment", O);
+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) {
 
   std::vector<Record*> CCs = Records.getAllDerivedDefinitions("CallingConv");
   
@@ -39,7 +54,7 @@ void CallingConvEmitter::run(std::ostream &O) {
 }
 
 
-void CallingConvEmitter::EmitCallingConv(Record *CC, std::ostream &O) {
+void CallingConvEmitter::EmitCallingConv(Record *CC, raw_ostream &O) {
   ListInit *CCActions = CC->getValueAsListInit("Actions");
   Counter = 0;
 
@@ -60,7 +75,7 @@ void CallingConvEmitter::EmitCallingConv(Record *CC, std::ostream &O) {
 }
 
 void CallingConvEmitter::EmitAction(Record *Action,
-                                    unsigned Indent, std::ostream &O) {
+                                    unsigned Indent, raw_ostream &O) {
   std::string IndentStr = std::string(Indent, ' ');
   
   if (Action->isSubClassOf("CCPredicateAction")) {
@@ -96,7 +111,7 @@ 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) {
@@ -127,7 +142,7 @@ 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 +151,7 @@ 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) {
@@ -163,12 +178,14 @@ void CallingConvEmitter::EmitAction(Record *Action,
         O << Size << ", ";
       else
         O << "\n" << IndentStr << "  State.getTarget().getTargetData()"
-          "->getABITypeSize(LocVT.getTypeForMVT()), ";
+          "->getTypeAllocSize(EVT(LocVT).getTypeForEVT(State.getContext())), ";
       if (Align)
         O << Align;
       else
         O << "\n" << IndentStr << "  State.getTarget().getTargetData()"
-          "->getABITypeAlignment(LocVT.getTypeForMVT())";
+          "->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";
@@ -182,6 +199,14 @@ void CallingConvEmitter::EmitAction(Record *Action,
         << IndentStr << IndentStr << "LocInfo = CCValAssign::ZExt;\n"
         << IndentStr << "else\n"
         << IndentStr << IndentStr << "LocInfo = CCValAssign::AExt;\n";
+    } else if (Action->isSubClassOf("CCBitConvertToType")) {
+      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");
@@ -189,9 +214,23 @@ void CallingConvEmitter::EmitAction(Record *Action,
         << "State.HandleByVal(ValNo, ValVT, LocVT, LocInfo, "
         << Size << ", " << Align << ", ArgFlags);\n";
       O << IndentStr << "return false;\n";
+    } else if (Action->isSubClassOf("CCCustom")) {
+      O << IndentStr
+        << "if (" << Action->getValueAsString("FuncName") << "(ValNo, ValVT, "
+        << "LocVT, LocInfo, ArgFlags, State))\n";
+      O << IndentStr << IndentStr << "return false;\n";
     } else {
       Action->dump();
       throw "Unknown CCAction!";
     }
   }
 }
+
+namespace llvm {
+
+void EmitCallingConv(RecordKeeper &RK, raw_ostream &OS) {
+  emitSourceFileHeader("Calling Convention Implementation Fragment", OS);
+  CallingConvEmitter(RK).run(OS);
+}
+
+} // End llvm namespace