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view tools/binding/llvm-typemonitor.cpp @ 1479:4f7d50c744ed
Rewrite `StructLiteralExp::toElem` to store individual fields instead of
generating a constant to fill the entire struct with a single `store`.
This is much more efficient at compile time (fixing #320) and vastly reduces
the size of the emitted code. Since LLVM no longer needs to keep the data for
all fields in "registers" until the store happens, it should also be more
efficient at run time in cases where the fields aren't assigned with constants.
There's also some code clean-up by removing duplicated logic.
author | Frits van Bommel <fvbommel wxs.nl> |
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date | Sat, 06 Jun 2009 20:16:13 +0200 |
parents | 4ff9ab0d472c |
children |
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/// Support for callbacks when an abstract type becomes more concrete. #include "llvm/Support/Streams.h" #include "llvm/Type.h" #include "llvm-c/Core.h" using namespace llvm; extern "C" typedef int (*RefineCallback)(void *handle, LLVMTypeRef newT); class TypeMonitor : AbstractTypeUser { void *handle_; RefineCallback callback_; void onRefineType(const Type* oldT, const Type* newT) { callback_(handle_, wrap(newT)); oldT->removeAbstractTypeUser(this); delete this; } public: TypeMonitor(Type* T, void *handle, RefineCallback callback) : handle_(handle), callback_(callback) { T->addAbstractTypeUser(this); } virtual void refineAbstractType(const DerivedType *OldTy, const Type *NewTy) { onRefineType(OldTy, NewTy); } virtual void typeBecameConcrete(const DerivedType *AbsTy) { onRefineType(AbsTy, AbsTy); } virtual void dump() const { cerr << "<TypeMonitor>"; } }; extern "C" void LLVMRegisterAbstractTypeCallback(LLVMTypeRef T, void *handle, RefineCallback callback) { new TypeMonitor(unwrap(T), handle, callback); }