Mercurial > projects > ldc
diff gen/tollvm.cpp @ 344:e20ce6d8d374 trunk
[svn r365] Implemented raw struct equality comparison, uses C memcmp.
Renamed DtoDelegateCompare to DtoDelegateEquals, for consistency with the other equality helpers.
| author | lindquist |
|---|---|
| date | Sun, 13 Jul 2008 04:11:08 +0200 |
| parents | 7086a84ab3d6 |
| children | f273f5c58a9a |
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--- a/gen/tollvm.cpp Sun Jul 13 03:02:15 2008 +0200 +++ b/gen/tollvm.cpp Sun Jul 13 04:11:08 2008 +0200 @@ -186,9 +186,9 @@ ////////////////////////////////////////////////////////////////////////////////////////// -LLValue* DtoDelegateCompare(TOK op, LLValue* lhs, LLValue* rhs) +LLValue* DtoDelegateEquals(TOK op, LLValue* lhs, LLValue* rhs) { - Logger::println("Doing delegate compare"); + Logger::println("Doing delegate equality"); llvm::ICmpInst::Predicate pred = (op == TOKequal || op == TOKidentity) ? llvm::ICmpInst::ICMP_EQ : llvm::ICmpInst::ICMP_NE; llvm::Value *b1, *b2; if (rhs == NULL) @@ -444,6 +444,29 @@ ////////////////////////////////////////////////////////////////////////////////////////// +LLValue* DtoMemCmp(LLValue* lhs, LLValue* rhs, LLValue* nbytes) +{ + // int memcmp ( const void * ptr1, const void * ptr2, size_t num ); + + LLFunction* fn = gIR->module->getFunction("memcmp"); + if (!fn) + { + std::vector<const LLType*> params(3); + params[0] = getVoidPtrType(); + params[1] = getVoidPtrType(); + params[2] = DtoSize_t(); + const LLFunctionType* fty = LLFunctionType::get(LLType::Int32Ty, params, false); + fn = LLFunction::Create(fty, LLGlobalValue::ExternalLinkage, "memcmp", gIR->module); + } + + lhs = DtoBitCast(lhs,getVoidPtrType()); + rhs = DtoBitCast(rhs,getVoidPtrType()); + + return gIR->ir->CreateCall3(fn, lhs, rhs, nbytes, "tmp"); +} + +////////////////////////////////////////////////////////////////////////////////////////// + void DtoAggrZeroInit(LLValue* v) { uint64_t n = getTypeStoreSize(v->getType()->getContainedType(0));