[llvm-commits] [llvm-gcc-4.2] r113710 - in /llvm-gcc-4.2/trunk/gcc: config/arm/llvm-arm-target.h config/arm/llvm-arm.cpp llvm-abi-default.cpp llvm-abi.h llvm-convert.cpp llvm-types.cpp

Eric Christopher echristo at apple.com
Sat Sep 11 20:26:36 PDT 2010


Author: echristo
Date: Sat Sep 11 22:26:36 2010
New Revision: 113710

URL: http://llvm.org/viewvc/llvm-project?rev=113710&view=rev
Log:
Revert 113694 in an attempt to fix the buildbots.

Modified:
    llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm-target.h
    llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp
    llvm-gcc-4.2/trunk/gcc/llvm-abi-default.cpp
    llvm-gcc-4.2/trunk/gcc/llvm-abi.h
    llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
    llvm-gcc-4.2/trunk/gcc/llvm-types.cpp

Modified: llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm-target.h
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm-target.h?rev=113710&r1=113709&r2=113710&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm-target.h (original)
+++ llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm-target.h Sat Sep 11 22:26:36 2010
@@ -55,15 +55,6 @@
 #define LLVM_SHOULD_PASS_AGGREGATE_IN_MIXED_REGS(T, TY, CC, E)    \
    llvm_arm_should_pass_aggregate_in_mixed_regs((T), (TY), (CC), (E))
 
-struct DefaultABIClient;
-extern bool
-llvm_arm_try_pass_aggregate_custom(tree, std::vector<const Type*>&,
-				   CallingConv::ID&,
-				   struct DefaultABIClient*);
-
-#define LLVM_TRY_PASS_AGGREGATE_CUSTOM(T, E, CC, C)	\
-  llvm_arm_try_pass_aggregate_custom((T), (E), (CC), (C))
-
 extern
 bool llvm_arm_aggregate_partially_passed_in_regs(std::vector<const Type*>&,
                                                  std::vector<const Type*>&,

Modified: llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp?rev=113710&r1=113709&r2=113710&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/config/arm/llvm-arm.cpp Sat Sep 11 22:26:36 2010
@@ -2557,91 +2557,6 @@
   }
 }
 
-static unsigned count_num_words(std::vector<const Type*> &ScalarElts) {
-  unsigned NumWords = 0;
-  for (unsigned i = 0, e = ScalarElts.size(); i != e; ++i) {
-    const Type *Ty = ScalarElts[i];
-    if (Ty->isPointerTy()) {
-      NumWords++;
-    } else if (Ty->isIntegerTy()) {
-      const unsigned TypeSize = Ty->getPrimitiveSizeInBits();
-      const unsigned NumWordsForType = (TypeSize + 31) / 32;
-
-      NumWords += NumWordsForType;
-    } else {
-      assert (0 && "Unexpected type.");
-    }
-  }
-  return NumWords;
-}
-
-// This function is used only on AAPCS. The difference from the generic
-// handling of arguments is that arguments larger than 32 bits are split
-// and padding arguments are added as necessary for alignment. This makes
-// the IL a bit more explicit about how arguments are handled.
-extern bool
-llvm_arm_try_pass_aggregate_custom(tree type,
-                                   std::vector<const Type*>& ScalarElts,
-				   CallingConv::ID& CC,
-				   struct DefaultABIClient* C) {
-  if (CC != CallingConv::ARM_AAPCS && CC != CallingConv::C)
-    return false;
-
-  if (CC == CallingConv::C && !TARGET_AAPCS_BASED)
-    return false;
-
-  if (TARGET_HARD_FLOAT_ABI)
-    return false;
-  const Type *Ty = ConvertType(type);
-  if (Ty->isPointerTy())
-    return false;
-
-  const unsigned Size = TREE_INT_CST_LOW(TYPE_SIZE(type))/8;
-  const unsigned Alignment = TYPE_ALIGN(type)/8;
-  const unsigned NumWords = count_num_words(ScalarElts);
-  const bool AddPad = Alignment >= 8 && (NumWords % 2);
-
-  // First, build a type that will be bitcast to the original one and
-  // from where elements will be extracted.
-  std::vector<const Type*> Elts;
-  const Type* Int32Ty = Type::getInt32Ty(getGlobalContext());
-  const unsigned NumRegularArgs = Size / 4;
-  for (unsigned i = 0; i < NumRegularArgs; ++i) {
-    Elts.push_back(Int32Ty);
-  }
-  const unsigned RestSize = Size % 4;
-  const llvm::Type *RestType = NULL;
-  if (RestSize> 2) {
-    RestType = Type::getInt32Ty(getGlobalContext());
-  } else if (RestSize > 1) {
-    RestType = Type::getInt16Ty(getGlobalContext());
-  } else if (RestSize > 0) {
-    RestType = Type::getInt8Ty(getGlobalContext());
-  }
-  if (RestType)
-    Elts.push_back(RestType);
-  const StructType *STy = StructType::get(getGlobalContext(), Elts, false);
-
-  if (AddPad) {
-    ScalarElts.push_back(Int32Ty);
-    C->HandlePad(Int32Ty);
-  }
-
-  for (unsigned i = 0; i < NumRegularArgs; ++i) {
-    C->EnterField(i, STy);
-    C->HandleScalarArgument(Int32Ty, 0);
-    ScalarElts.push_back(Int32Ty);
-    C->ExitField();
-  }
-  if (RestType) {
-    C->EnterField(NumRegularArgs, STy);
-    C->HandleScalarArgument(RestType, 0, RestSize);
-    ScalarElts.push_back(RestType);
-    C->ExitField();
-  }
-  return true;
-}
-
 // Target hook for llvm-abi.h. It returns true if an aggregate of the
 // specified type should be passed in a number of registers of mixed types.
 // It also returns a vector of types that correspond to the registers used

Modified: llvm-gcc-4.2/trunk/gcc/llvm-abi-default.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-abi-default.cpp?rev=113710&r1=113709&r2=113710&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-abi-default.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-abi-default.cpp Sat Sep 11 22:26:36 2010
@@ -8,8 +8,7 @@
 /// return type. It potentially breaks down the argument and invokes methods
 /// on the client that indicate how its pieces should be handled.  This
 /// handles things like returning structures via hidden parameters.
-void DefaultABI::HandleReturnType(tree type, tree fn, bool isBuiltin,
-                                  std::vector<const Type*> &ScalarElts) {
+void DefaultABI::HandleReturnType(tree type, tree fn, bool isBuiltin) {
   unsigned Offset = 0;
   const Type *Ty = ConvertType(type);
   if (Ty->isVectorTy()) {
@@ -53,9 +52,7 @@
 
     // FIXME: should return the hidden first argument for some targets
     // (e.g. ELF i386).
-    const PointerType *PTy = Ty->getPointerTo();
-    C.HandleAggregateShadowResult(PTy, false);
-    ScalarElts.push_back(PTy);
+    C.HandleAggregateShadowResult(Ty->getPointerTo(), false);
   }
 }
 

Modified: llvm-gcc-4.2/trunk/gcc/llvm-abi.h
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-abi.h?rev=113710&r1=113709&r2=113710&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-abi.h (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-abi.h Sat Sep 11 22:26:36 2010
@@ -396,8 +396,7 @@
   /// return type. It potentially breaks down the argument and invokes methods
   /// on the client that indicate how its pieces should be handled.  This
   /// handles things like returning structures via hidden parameters.
-  void HandleReturnType(tree type, tree fn, bool isBuiltin,
-                        std::vector<const Type*> &ScalarElts);
+  void HandleReturnType(tree type, tree fn, bool isBuiltin);
 
   /// HandleArgument - This is invoked by the target-independent code for each
   /// argument type passed into the function.  It potentially breaks down the

Modified: llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp?rev=113710&r1=113709&r2=113710&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-convert.cpp Sat Sep 11 22:26:36 2010
@@ -673,19 +673,17 @@
   FunctionPrologArgumentConversion Client(FnDecl, AI, Builder, CallingConv);
   DefaultABI ABIConverter(Client);
 
-  // Scalar arguments processed so far.
-  std::vector<const Type*> ScalarArgs;
-
   // Handle the DECL_RESULT.
   ABIConverter.HandleReturnType(TREE_TYPE(TREE_TYPE(FnDecl)), FnDecl,
-                                DECL_BUILT_IN(FnDecl),
-                                ScalarArgs);
+                                DECL_BUILT_IN(FnDecl));
   // Remember this for use by FinishFunctionBody.
   ReturnOffset = Client.Offset;
 
   // Prepend the static chain (if any) to the list of arguments.
   tree Args = static_chain ? static_chain : DECL_ARGUMENTS(FnDecl);
 
+  // Scalar arguments processed so far.
+  std::vector<const Type*> ScalarArgs;
   while (Args) {
     const char *Name = "unnamed_arg";
     if (DECL_NAME(Args)) Name = IDENTIFIER_POINTER(DECL_NAME(Args));
@@ -3014,17 +3012,16 @@
   DefaultABI ABIConverter(Client);
 
   // Handle the result, including struct returns.
-  std::vector<const Type*> ScalarArgs;
   ABIConverter.HandleReturnType(TREE_TYPE(exp),
                                 fndecl ? fndecl : exp,
-                                fndecl ? DECL_BUILT_IN(fndecl) : false,
-                                ScalarArgs);
+                                fndecl ? DECL_BUILT_IN(fndecl) : false);
 
   // Pass the static chain, if any, as the first parameter.
   if (TREE_OPERAND(exp, 2))
     CallOperands.push_back(Emit(TREE_OPERAND(exp, 2), 0));
 
   // Loop over the arguments, expanding them and adding them to the op list.
+  std::vector<const Type*> ScalarArgs;
   for (tree arg = TREE_OPERAND(exp, 1); arg; arg = TREE_CHAIN(arg)) {
     tree type = TREE_TYPE(TREE_VALUE(arg));
     const Type *ArgTy = ConvertType(type);

Modified: llvm-gcc-4.2/trunk/gcc/llvm-types.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm-gcc-4.2/trunk/gcc/llvm-types.cpp?rev=113710&r1=113709&r2=113710&view=diff
==============================================================================
--- llvm-gcc-4.2/trunk/gcc/llvm-types.cpp (original)
+++ llvm-gcc-4.2/trunk/gcc/llvm-types.cpp Sat Sep 11 22:26:36 2010
@@ -1082,10 +1082,8 @@
   TARGET_ADJUST_LLVM_CC(CallingConv, type);
 #endif
   
-  std::vector<const Type*> ScalarArgs;
   // Builtins are always prototyped, so this isn't one.
-  ABIConverter.HandleReturnType(ReturnType, current_function_decl, false,
-                                ScalarArgs);
+  ABIConverter.HandleReturnType(ReturnType, current_function_decl, false);
 
   SmallVector<AttributeWithIndex, 8> Attrs;
 
@@ -1112,6 +1110,7 @@
     Attrs.push_back(AttributeWithIndex::get(ArgTys.size(),
                                     Attribute::StructRet));
 
+  std::vector<const Type*> ScalarArgs;
   if (static_chain) {
     // Pass the static chain as the first parameter.
     ABIConverter.HandleArgument(TREE_TYPE(static_chain), ScalarArgs);
@@ -1153,10 +1152,8 @@
   TARGET_ADJUST_LLVM_CC(CallingConv, type);
 #endif
 
-  std::vector<const Type*> ScalarArgs;
   ABIConverter.HandleReturnType(TREE_TYPE(type), current_function_decl,
-                                decl ? DECL_BUILT_IN(decl) : false,
-                                ScalarArgs);
+                                decl ? DECL_BUILT_IN(decl) : false);
   
   // Compute attributes for return type (and function attributes).
   SmallVector<AttributeWithIndex, 8> Attrs;
@@ -1221,6 +1218,7 @@
     Attrs.push_back(AttributeWithIndex::get(ArgTypes.size(),
                                     Attribute::StructRet | Attribute::NoAlias));
 
+  std::vector<const Type*> ScalarArgs;
   if (static_chain) {
     // Pass the static chain as the first parameter.
     ABIConverter.HandleArgument(TREE_TYPE(static_chain), ScalarArgs);





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