Factor out TargetABIInfo stuff into separate file. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@72962 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 19 insertions, 14 deletions

diff --git a/lib/CodeGen/ABIInfo.h b/lib/CodeGen/ABIInfo.h
index 3de461242a..44af0c476a 100644
--- a/lib/CodeGen/ABIInfo.h
+++ b/lib/CodeGen/ABIInfo.h
@@ -10,8 +10,13 @@
 #ifndef CLANG_CODEGEN_ABIINFO_H
 #define CLANG_CODEGEN_ABIINFO_H
 
+#include "clang/AST/Type.h"
+
+#include <cassert>
+
 namespace llvm {
   class Type;
+  class Value;
 }
 
 namespace clang {
@@ -38,32 +43,32 @@ namespace clang {
       Direct,    /// Pass the argument directly using the normal
                  /// converted LLVM type. Complex and structure types
                  /// are passed using first class aggregates.
-  
+
       Indirect,  /// Pass the argument indirectly via a hidden pointer
                  /// with the specified alignment (0 indicates default
                  /// alignment).
-  
+
       Ignore,    /// Ignore the argument (treat as void). Useful for
                  /// void and empty structs.
-  
+
       Coerce,    /// Only valid for aggregate return types, the argument
                  /// should be accessed by coercion to a provided type.
-  
+
       Expand,    /// Only valid for aggregate argument types. The
                  /// structure should be expanded into consecutive
                  /// arguments for its constituent fields. Currently
                  /// expand is only allowed on structures whose fields
                  /// are all scalar types or are themselves expandable
                  /// types.
-  
+
       KindFirst=Direct, KindLast=Expand
     };
-  
+
   private:
     Kind TheKind;
     const llvm::Type *TypeData;
     unsigned UIntData;
-  
+
     ABIArgInfo(Kind K, const llvm::Type *TD=0,
                unsigned UI=0) : TheKind(K),
                                 TypeData(TD),
@@ -71,13 +76,13 @@ namespace clang {
   public:
     ABIArgInfo() : TheKind(Direct), TypeData(0), UIntData(0) {}
 
-    static ABIArgInfo getDirect() { 
-      return ABIArgInfo(Direct); 
+    static ABIArgInfo getDirect() {
+      return ABIArgInfo(Direct);
     }
     static ABIArgInfo getIgnore() {
       return ABIArgInfo(Ignore);
     }
-    static ABIArgInfo getCoerce(const llvm::Type *T) { 
+    static ABIArgInfo getCoerce(const llvm::Type *T) {
       return ABIArgInfo(Coerce, T);
     }
     static ABIArgInfo getIndirect(unsigned Alignment) {
@@ -86,20 +91,20 @@ namespace clang {
     static ABIArgInfo getExpand() {
       return ABIArgInfo(Expand);
     }
-  
+
     Kind getKind() const { return TheKind; }
     bool isDirect() const { return TheKind == Direct; }
     bool isIgnore() const { return TheKind == Ignore; }
     bool isCoerce() const { return TheKind == Coerce; }
     bool isIndirect() const { return TheKind == Indirect; }
     bool isExpand() const { return TheKind == Expand; }
-  
+
     // Coerce accessors
     const llvm::Type *getCoerceToType() const {
       assert(TheKind == Coerce && "Invalid kind!");
       return TypeData;
     }
-  
+
     // ByVal accessors
     unsigned getIndirectAlign() const {
       assert(TheKind == Indirect && "Invalid kind!");
@@ -120,7 +125,7 @@ namespace clang {
 
     /// EmitVAArg - Emit the target dependent code to load a value of
     /// \arg Ty from the va_list pointed to by \arg VAListAddr.
-    
+
     // FIXME: This is a gaping layering violation if we wanted to drop
     // the ABI information any lower than CodeGen. Of course, for
     // VAArg handling it has to be at this level; there is no way to