Let TargetABI::passByValue() know when a parameter is byref (either explicitly or because it's a static array) by giving it the pointer type instead of the type itself. This fixes Derelict compilation on x86-64, where the ABI wasn't expecting a static array to be passed in at all.

#ifndef LDC_GEN_OPTIMIZER_H
#define LDC_GEN_OPTIMIZER_H

namespace llvm { class Module; }

bool ldc_optimize_module(llvm::Module* m);

bool doInline();

int optLevel();

bool optimize();

#endif