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#include "cps/CodeGen.h"
using namespace llvm;
using namespace cps;
// Keyword NEW/DELETE use the same visible C helpers as memory.cps. Ordinary
// MALLOC/REALLOC/FREE calls are resolved entirely through the library.
Value *CodeGen::emitMemoryCall(const char *Name, Value *Argument, int Line) {
SaveAndRestore<int> Location(DiagnosticLine, Line);
auto Declarations = FuncGen->getOverloads(Name);
if (Declarations.empty()) {
reportError("NEW/DELETE requires memory.cps; include the memory library");
return nullptr;
}
const FuncSig &Sig = *Declarations.front();
bool Allocate = sameIdentifier(Name, "_memory_impl_malloc");
bool Validate = sameIdentifier(Name, "_memory_impl_validate");
const TypeInfo *Parameter = resolveType(Allocate ? "C_TYPE(\"unsigned long long\")"
: "C_TYPE(\"void*\")");
const TypeInfo *Result = resolveType(Validate ? "VOID" : "C_TYPE(\"void*\")");
if (!Sig.IsExternal || Sig.IsVariadic || Sig.Params.size() != 1 ||
Sig.Params[0].IsArray || Sig.Params[0].IsByRef ||
!Types->sameType(Sig.Params[0].TypeName, Parameter->Name) ||
!Types->sameType(Sig.ReturnTypeName, Result->Name)) {
reportError("Invalid memory runtime declaration for %s", Name);
return nullptr;
}
if (Allocate) Argument = Builder->CreateIntCast(Argument, Parameter->LLVMType, false);
return FuncGen->emitCall(Sig, {Argument});
}
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