Mercurial > projects > ldc
view gen/elem.c @ 55:0ccfae271c45 trunk
[svn r59] Added support for C-style variadic functions. Currently only works on x86, x86-64 va_arg is broken in LLVM 2.1. PPC and PPC64 unknown.
Updates to runtime. Rebuild!
author | lindquist |
---|---|
date | Wed, 24 Oct 2007 22:18:06 +0200 |
parents | 0c77619e803b |
children | 339422268de1 |
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#include <iostream> #include "gen/llvm.h" #include "gen/elem.h" #include "gen/irstate.h" #include "gen/logger.h" ////////////////////////////////////////////////////////////////////////////////////////// elem::elem() { mem = 0; val = 0; arg = 0; type = NONE; inplace = false; field = false; callconv = (unsigned)-1; isthis = false; istypeinfo = false; vardecl = 0; funcdecl = 0; } llvm::Value* elem::getValue() { assert(val || mem); switch(type) { case NONE: assert(0 && "type == NONE"); break; case VAR: case REF: case ARRAYLEN: if (val) { return val; } else { if (!llvm::isa<llvm::PointerType>(mem->getType())) { Logger::cout() << "unexpected type: " << *mem->getType() << '\n'; assert(0); } const llvm::PointerType* pt = llvm::cast<llvm::PointerType>(mem->getType()); if (!pt->getElementType()->isFirstClassType()) { return mem; } else { return gIR->ir->CreateLoad(mem, "tmp"); } } case VAL: case NUL: case FUNC: case CONST: case SLICE: return val ? val : mem; } assert(0 && "type == invalid value"); return 0; }