From 8850a1bcef0c2a785f918395fe0a05054914b349 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 27 Mar 2006 22:48:18 +0000
Subject: [PATCH] Add support for decoding iPTR to the right pointer type.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27188 91177308-0d34-0410-b5e6-96231b3b80d8
---
 utils/TableGen/CodeGenIntrinsics.h |  3 ++-
 utils/TableGen/CodeGenTarget.cpp   | 20 +++++++++++++++-----
 utils/TableGen/CodeGenTarget.h     |  3 ++-
 3 files changed, 19 insertions(+), 7 deletions(-)

diff --git a/utils/TableGen/CodeGenIntrinsics.h b/utils/TableGen/CodeGenIntrinsics.h
index 2698836eccd..f779ad31ce9 100644
--- a/utils/TableGen/CodeGenIntrinsics.h
+++ b/utils/TableGen/CodeGenIntrinsics.h
@@ -21,6 +21,7 @@
 namespace llvm {
   class Record;
   class RecordKeeper;
+  class CodeGenTarget;
 
   struct CodeGenIntrinsic {
     Record *TheDef;            // The actual record defining this instruction.
@@ -45,7 +46,7 @@ namespace llvm {
       NoMem, ReadArgMem, ReadMem, WriteArgMem, WriteMem
     } ModRef;
 
-    CodeGenIntrinsic(Record *R);
+    CodeGenIntrinsic(Record *R, CodeGenTarget &CGT);
   };
 
   /// LoadIntrinsics - Read all of the intrinsics defined in the specified
diff --git a/utils/TableGen/CodeGenTarget.cpp b/utils/TableGen/CodeGenTarget.cpp
index 42864f54f3a..6bee477f317 100644
--- a/utils/TableGen/CodeGenTarget.cpp
+++ b/utils/TableGen/CodeGenTarget.cpp
@@ -29,8 +29,13 @@ AsmWriterNum("asmwriternum", cl::init(0),
 
 /// getValueType - Return the MCV::ValueType that the specified TableGen record
 /// corresponds to.
-MVT::ValueType llvm::getValueType(Record *Rec) {
-  return (MVT::ValueType)Rec->getValueAsInt("Value");
+MVT::ValueType llvm::getValueType(Record *Rec, const CodeGenTarget *CGT) {
+  MVT::ValueType VT = (MVT::ValueType)Rec->getValueAsInt("Value");
+  if (VT == MVT::iPTR) {
+    assert(CGT && "Use a pointer type in a place that isn't supported yet!");
+    VT = CGT->getPointerType();
+  }
+  return VT;
 }
 
 std::string llvm::getName(MVT::ValueType T) {
@@ -355,10 +360,15 @@ ComplexPattern::ComplexPattern(Record *R) {
 
 std::vector<CodeGenIntrinsic> llvm::LoadIntrinsics(const RecordKeeper &RC) {
   std::vector<Record*> I = RC.getAllDerivedDefinitions("Intrinsic");
-  return std::vector<CodeGenIntrinsic>(I.begin(), I.end());
+  
+  std::vector<CodeGenIntrinsic> Result;
+  CodeGenTarget CGT;
+  for (unsigned i = 0, e = I.size(); i != e; ++i)
+    Result.push_back(CodeGenIntrinsic(I[i], CGT));
+  return Result;
 }
 
-CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
+CodeGenIntrinsic::CodeGenIntrinsic(Record *R, CodeGenTarget &CGT) {
   TheDef = R;
   std::string DefName = R->getName();
   ModRef = WriteMem;
@@ -405,7 +415,7 @@ CodeGenIntrinsic::CodeGenIntrinsic(Record *R) {
     assert(TyEl->isSubClassOf("LLVMType") && "Expected a type!");
     ArgTypes.push_back(TyEl->getValueAsString("TypeVal"));
     
-    ArgVTs.push_back(getValueType(TyEl->getValueAsDef("VT")));
+    ArgVTs.push_back(getValueType(TyEl->getValueAsDef("VT"), &CGT));
     ArgTypeDefs.push_back(TyEl);
   }
   if (ArgTypes.size() == 0)
diff --git a/utils/TableGen/CodeGenTarget.h b/utils/TableGen/CodeGenTarget.h
index 8a4367ad1dd..bedf1bb736f 100644
--- a/utils/TableGen/CodeGenTarget.h
+++ b/utils/TableGen/CodeGenTarget.h
@@ -27,10 +27,11 @@ namespace llvm {
 class Record;
 class RecordKeeper;
 struct CodeGenRegister;
+class CodeGenTarget;
 
 /// getValueType - Return the MVT::ValueType that the specified TableGen record
 /// corresponds to.
-MVT::ValueType getValueType(Record *Rec);
+MVT::ValueType getValueType(Record *Rec, const CodeGenTarget *CGT = 0);
 
 std::ostream &operator<<(std::ostream &OS, MVT::ValueType T);
 std::string getName(MVT::ValueType T);
-- 
2.34.1