Model :upper16: and :lower16: as ARM specific MCTargetExpr. This is a step

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

diff --git a/utils/TableGen/IntrinsicEmitter.cpp b/utils/TableGen/IntrinsicEmitter.cpp
index abd221d19423451c71e2eb9a5ee73fd655d8783e..08f67284a279f2d488b3fe9ce3f3a6b1347e302a 100644 (file)
--- a/utils/TableGen/IntrinsicEmitter.cpp
+++ b/utils/TableGen/IntrinsicEmitter.cpp
@@ -68,16 +68,19 @@ void IntrinsicEmitter::run(raw_ostream &OS) {
 
 void IntrinsicEmitter::EmitPrefix(raw_ostream &OS) {
   OS << "// VisualStudio defines setjmp as _setjmp\n"
-        "#if defined(_MSC_VER) && defined(setjmp)\n"
-        "#define setjmp_undefined_for_visual_studio\n"
-        "#undef setjmp\n"
+        "#if defined(_MSC_VER) && defined(setjmp) && \\\n"
+        "                         !defined(setjmp_undefined_for_msvc)\n"
+        "#  pragma push_macro(\"setjmp\")\n"
+        "#  undef setjmp\n"
+        "#  define setjmp_undefined_for_msvc\n"
         "#endif\n\n";
 }
 
 void IntrinsicEmitter::EmitSuffix(raw_ostream &OS) {
-  OS << "#if defined(_MSC_VER) && defined(setjmp_undefined_for_visual_studio)\n"
+  OS << "#if defined(_MSC_VER) && defined(setjmp_undefined_for_msvc)\n"
         "// let's return it to _setjmp state\n"
-        "#define setjmp _setjmp\n"
+        "#  pragma pop_macro(\"setjmp\")\n"
+        "#  undef setjmp_undefined_for_msvc\n"
         "#endif\n\n";
 }
 
@@ -570,11 +573,13 @@ EmitModRefBehavior(const std::vector<CodeGenIntrinsic> &Ints, raw_ostream &OS){
       OS << "  return DoesNotAccessMemory;\n";
       break;
     case CodeGenIntrinsic::ReadArgMem:
+      OS << "  return OnlyReadsArgumentPointees;\n";
+      break;
     case CodeGenIntrinsic::ReadMem:
       OS << "  return OnlyReadsMemory;\n";
       break;
     case CodeGenIntrinsic::ReadWriteArgMem:
-      OS << "  return AccessesArguments;\n";
+      OS << "  return OnlyAccessesArgumentPointees;\n";
       break;
     }
   }