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Auto merge of #38156 - shepmaster:llvm-4.0-bitcode-reader-writer, r=alexcrichton 

[LLVM 4.0] New bitcode headers and API

/cc @michaelwoerister @rkruppe
This commit is contained in:
bors 2016-12-08 11:45:26 +00:00
parent 816a34aca2 d5f6125fb3
commit 47ffafcdcd
2 changed files with 23 additions and 2 deletions
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17
src/rustllvm/RustWrapper.cpp
View File

@ -892,19 +892,34 @@ extern "C" void LLVMRustWriteValueToString(LLVMValueRef Value, RustStringRef str
extern "C" bool
LLVMRustLinkInExternalBitcode(LLVMModuleRef dst, char *bc, size_t len) {
Module *Dst = unwrap(dst);
std::unique_ptr<MemoryBuffer> buf = MemoryBuffer::getMemBufferCopy(StringRef(bc, len));
#if LLVM_VERSION_GE(4, 0)
Expected<std::unique_ptr<Module>> SrcOrError =
llvm::getLazyBitcodeModule(buf->getMemBufferRef(), Dst->getContext());
if (!SrcOrError) {
LLVMRustSetLastError(toString(SrcOrError.takeError()).c_str());
return false;
}
auto Src = std::move(*SrcOrError);
#else
ErrorOr<std::unique_ptr<Module>> Src =
llvm::getLazyBitcodeModule(std::move(buf), Dst->getContext());
if (!Src) {
LLVMRustSetLastError(Src.getError().message().c_str());
return false;
}
#endif
std::string Err;
raw_string_ostream Stream(Err);
DiagnosticPrinterRawOStream DP(Stream);
#if LLVM_VERSION_GE(3, 8)
#if LLVM_VERSION_GE(4, 0)
if (Linker::linkModules(*Dst, std::move(Src))) {
#elif LLVM_VERSION_GE(3, 8)
if (Linker::linkModules(*Dst, std::move(Src.get()))) {
#else
if (Linker::LinkModules(Dst, Src->get(), [&](const DiagnosticInfo &DI) { DI.print(DP); })) {

8
src/rustllvm/rustllvm.h
View File

@ -39,7 +39,6 @@
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/Vectorize.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm-c/Core.h"
#include "llvm-c/BitReader.h"
#include "llvm-c/ExecutionEngine.h"
@ -60,6 +59,13 @@
#include "llvm/PassManager.h"
#endif
#if LLVM_VERSION_GE(4, 0)
#include "llvm/Bitcode/BitcodeReader.h"
#include "llvm/Bitcode/BitcodeWriter.h"
#else
#include "llvm/Bitcode/ReaderWriter.h"
#endif
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DIBuilder.h"