--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gen/arrays.c	Mon Sep 03 17:34:30 2007 +0200
@@ -0,0 +1,309 @@
+#include "llvm/Constants.h"
+#include "llvm/Type.h"
+#include "llvm/DerivedTypes.h"
+#include "llvm/Instructions.h"
+#include "llvm/CallingConv.h"
+
+#include "mtype.h"
+#include "dsymbol.h"
+#include "aggregate.h"
+#include "declaration.h"
+#include "init.h"
+
+#include "gen/irstate.h"
+#include "gen/tollvm.h"
+#include "gen/arrays.h"
+#include "gen/runtime.h"
+#include "gen/logger.h"
+#include "gen/elem.h"
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+llvm::StructType* LLVM_DtoArrayType(Type* t)
+{
+    assert(t->next);
+    const llvm::Type* at = LLVM_DtoType(t->next);
+    const llvm::Type* arrty;
+
+    /*if (t->ty == Tsarray) {
+        TypeSArray* tsa = (TypeSArray*)t;
+        assert(tsa->dim->type->isintegral());
+        arrty = llvm::ArrayType::get(at,tsa->dim->toUInteger());
+    }
+    else {
+        arrty = llvm::ArrayType::get(at,0);
+    }*/
+    if (at == llvm::Type::VoidTy) {
+        at = llvm::Type::Int8Ty;
+    }
+    arrty = llvm::PointerType::get(at);
+
+    std::vector<const llvm::Type*> members;
+    if (global.params.is64bit)
+        members.push_back(llvm::Type::Int64Ty);
+    else
+        members.push_back(llvm::Type::Int32Ty);
+
+    members.push_back(arrty);
+
+    return llvm::StructType::get(members);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+llvm::ArrayType* LLVM_DtoStaticArrayType(Type* t)
+{
+    if (t->llvmType)
+        return llvm::cast<llvm::ArrayType>(t->llvmType);
+
+    assert(t->ty == Tsarray);
+    assert(t->next);
+
+    const llvm::Type* at = LLVM_DtoType(t->next);
+
+    TypeSArray* tsa = (TypeSArray*)t;
+    assert(tsa->dim->type->isintegral());
+    llvm::ArrayType* arrty = llvm::ArrayType::get(at,tsa->dim->toUInteger());
+
+    tsa->llvmType = arrty;
+    return arrty;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+llvm::Value* LLVM_DtoNullArray(llvm::Value* v)
+{
+    assert(gIR);
+    d_uns64 n = (global.params.is64bit) ? 16 : 8;
+
+    llvm::Type* i8p_ty = llvm::PointerType::get(llvm::Type::Int8Ty);
+
+    llvm::Value* arr = new llvm::BitCastInst(v,i8p_ty,"tmp",gIR->scopebb());
+
+    llvm::Function* fn = LLVM_DeclareMemSet32();
+    std::vector<llvm::Value*> llargs;
+    llargs.resize(4);
+    llargs[0] = arr;
+    llargs[1] = llvm::ConstantInt::get(llvm::Type::Int8Ty, 0, false);
+    llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false);
+    llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
+
+    //Logger::cout() << *fn << '|' << *fn->getType() << '\n';
+    //Logger::cout() << "to null array call: " << *llargs[0] << '|' << *llargs[1] << '|' << *llargs[2] << '|' << *llargs[3] << '\n';
+
+    llvm::Value* ret = new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
+
+    return ret;
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+llvm::Value* LLVM_DtoArrayAssign(llvm::Value* dst, llvm::Value* src)
+{
+    assert(gIR);
+    if (dst->getType() == src->getType())
+    {
+        d_uns64 n = (global.params.is64bit) ? 16 : 8;
+
+        llvm::Type* arrty = llvm::PointerType::get(llvm::Type::Int8Ty);
+
+        llvm::Value* dstarr = new llvm::BitCastInst(dst,arrty,"tmp",gIR->scopebb());
+        llvm::Value* srcarr = new llvm::BitCastInst(src,arrty,"tmp",gIR->scopebb());
+
+        llvm::Function* fn = LLVM_DeclareMemCpy32();
+        std::vector<llvm::Value*> llargs;
+        llargs.resize(4);
+        llargs[0] = dstarr;
+        llargs[1] = srcarr;
+        llargs[2] = llvm::ConstantInt::get(llvm::Type::Int32Ty, n, false);
+        llargs[3] = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
+
+        return new llvm::CallInst(fn, llargs.begin(), llargs.end(), "", gIR->scopebb());
+    }
+    else
+    {
+        if (!llvm::isa<llvm::ArrayType>(src->getType()->getContainedType(0)))
+        {
+            Logger::cout() << "invalid: " << *src << '\n';
+            assert(0);
+        }
+        const llvm::ArrayType* arrty = llvm::cast<llvm::ArrayType>(src->getType()->getContainedType(0));
+        llvm::Type* dstty = llvm::PointerType::get(arrty->getElementType());
+
+        llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
+        llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
+
+        llvm::Value* dstlen = new llvm::GetElementPtrInst(dst,zero,zero,"tmp",gIR->scopebb());
+        llvm::Value* srclen = llvm::ConstantInt::get(LLVM_DtoSize_t(), arrty->getNumElements(), false);
+        new llvm::StoreInst(srclen, dstlen, gIR->scopebb());
+
+        llvm::Value* dstptr = new llvm::GetElementPtrInst(dst,zero,one,"tmp",gIR->scopebb());
+        llvm::Value* srcptr = new llvm::BitCastInst(src,dstty,"tmp",gIR->scopebb());
+        new llvm::StoreInst(srcptr, dstptr, gIR->scopebb());
+    }
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void LLVM_DtoArrayInit(llvm::Value* l, llvm::Value* r)
+{
+    const llvm::PointerType* ptrty = llvm::cast<llvm::PointerType>(l->getType());
+    if (llvm::isa<llvm::ArrayType>(ptrty->getContainedType(0)))
+    {
+        const llvm::ArrayType* arrty = llvm::cast<llvm::ArrayType>(ptrty->getContainedType(0));
+        llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
+
+        std::vector<llvm::Value*> args;
+        args.resize(3);
+        args[0] = new llvm::GetElementPtrInst(l,zero,zero,"tmp",gIR->scopebb());
+        args[1] = llvm::ConstantInt::get(LLVM_DtoSize_t(), arrty->getNumElements(), false);
+        args[2] = r;
+        
+        const char* funcname = NULL;
+        
+        if (llvm::isa<llvm::PointerType>(arrty->getElementType())) {
+            funcname = "_d_array_init_pointer";
+            
+            const llvm::Type* dstty = llvm::PointerType::get(llvm::PointerType::get(llvm::Type::Int8Ty));
+            if (args[0]->getType() != dstty)
+                args[0] = new llvm::BitCastInst(args[0],dstty,"tmp",gIR->scopebb());
+            
+            const llvm::Type* valty = llvm::PointerType::get(llvm::Type::Int8Ty);
+            if (args[2]->getType() != valty)
+                args[2] = new llvm::BitCastInst(args[2],valty,"tmp",gIR->scopebb());
+        }
+        else if (r->getType() == llvm::Type::Int1Ty) {
+            funcname = "_d_array_init_i1";
+        }
+        else if (r->getType() == llvm::Type::Int8Ty) {
+            funcname = "_d_array_init_i8";
+        }
+        else if (r->getType() == llvm::Type::Int16Ty) {
+            funcname = "_d_array_init_i16";
+        }
+        else if (r->getType() == llvm::Type::Int32Ty) {
+            funcname = "_d_array_init_i32";
+        }
+        else if (r->getType() == llvm::Type::Int64Ty) {
+            funcname = "_d_array_init_i64";
+        }
+        else if (r->getType() == llvm::Type::FloatTy) {
+            funcname = "_d_array_init_float";
+        }
+        else if (r->getType() == llvm::Type::DoubleTy) {
+            funcname = "_d_array_init_double";
+        }
+        else {
+            assert(0);
+        }
+        
+        Logger::cout() << *args[0] << '|' << *args[2] << '\n';
+        
+        llvm::Function* fn = LLVM_D_GetRuntimeFunction(gIR->module, funcname);
+        assert(fn);
+        llvm::CallInst* call = new llvm::CallInst(fn, args.begin(), args.end(), "", gIR->scopebb());
+        call->setCallingConv(llvm::CallingConv::C);
+        
+        Logger::println("array init call ok");
+    }
+    else if (llvm::isa<llvm::StructType>(ptrty->getContainedType(0)))
+    {
+        assert(0 && "Only static arrays support initialisers atm");
+    }
+    else
+    assert(0);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+
+void LLVM_DtoSetArray(llvm::Value* arr, llvm::Value* dim, llvm::Value* ptr)
+{
+    Logger::cout() << "LLVM_DtoSetArray(" << *arr << ", " << *dim << ", " << *ptr << ")\n";
+    const llvm::StructType* st = llvm::cast<llvm::StructType>(arr->getType()->getContainedType(0));
+    //const llvm::PointerType* pt = llvm::cast<llvm::PointerType>(r->getType());
+    
+    llvm::Value* zero = llvm::ConstantInt::get(llvm::Type::Int32Ty, 0, false);
+    llvm::Value* one = llvm::ConstantInt::get(llvm::Type::Int32Ty, 1, false);
+
+    llvm::Value* arrdim = new llvm::GetElementPtrInst(arr,zero,zero,"tmp",gIR->scopebb());
+    new llvm::StoreInst(dim, arrdim, gIR->scopebb());
+    
+    llvm::Value* arrptr = new llvm::GetElementPtrInst(arr,zero,one,"tmp",gIR->scopebb());
+    new llvm::StoreInst(ptr, arrptr, gIR->scopebb());
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+llvm::Constant* LLVM_DtoArrayInitializer(ArrayInitializer* arrinit)
+{
+    Logger::println("arr init begin");
+    assert(arrinit->type->ty == Tsarray);
+    TypeSArray* t = (TypeSArray*)arrinit->type;
+    integer_t tdim = t->dim->toInteger();
+
+    std::vector<llvm::Constant*> inits(tdim, 0);
+
+    const llvm::Type* elemty = LLVM_DtoType(arrinit->type->next);
+
+    assert(arrinit->index.dim == arrinit->value.dim);
+    for (int i=0,j=0; i < tdim; ++i)
+    {
+        Initializer* init = 0;
+        Expression* idx = (Expression*)arrinit->index.data[j];
+
+        if (idx)
+        {
+            integer_t k = idx->toInteger();
+            if (i == k)
+            {
+                init = (Initializer*)arrinit->value.data[j];
+                assert(init);
+                ++j;
+            }
+        }
+        else
+        {
+            init = (Initializer*)arrinit->value.data[j];
+            ++j;
+        }
+
+        llvm::Constant* v = 0;
+
+        if (!init)
+        {
+            elem* e = t->next->defaultInit()->toElem(gIR);
+            v = llvm::cast<llvm::Constant>(e->val);
+            delete e;
+        }
+        else if (ExpInitializer* ex = init->isExpInitializer())
+        {
+            elem* e = ex->exp->toElem(gIR);
+            v = llvm::cast<llvm::Constant>(e->val);
+            delete e;
+        }
+        else if (StructInitializer* si = init->isStructInitializer())
+        {
+            v = LLVM_DtoStructInitializer(si);
+        }
+        else if (ArrayInitializer* ai = init->isArrayInitializer())
+        {
+            v = LLVM_DtoArrayInitializer(ai);
+        }
+        else if (init->isVoidInitializer())
+        {
+            v = llvm::UndefValue::get(elemty);
+        }
+        else
+        assert(v);
+
+        inits[i] = v;
+    }
+
+    llvm::ArrayType* arrty = LLVM_DtoStaticArrayType(t);
+    return llvm::ConstantArray::get(arrty, inits);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+void LLVM_DtoArrayCopy(elem* dst, elem* src)
+{
+    assert(0);
+}