add bitcode reader support for blockaddress. We can now fully
round trip blockaddress through .ll and .bc files, so add a testcase.
There are still a bunch of places in the optimizer and other places
that need to be updated to work with these constructs, but at least
the basics are in now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85377 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.h b/lib/Bitcode/Reader/BitcodeReader.h
index eefc7bd..7b3a1ae 100644
--- a/lib/Bitcode/Reader/BitcodeReader.h
+++ b/lib/Bitcode/Reader/BitcodeReader.h
@@ -94,7 +94,7 @@
class BitcodeReaderMDValueList {
std::vector<WeakVH> MDValuePtrs;
- LLVMContext& Context;
+ LLVMContext &Context;
public:
BitcodeReaderMDValueList(LLVMContext& C) : Context(C) {}
@@ -122,7 +122,7 @@
};
class BitcodeReader : public ModuleProvider {
- LLVMContext& Context;
+ LLVMContext &Context;
MemoryBuffer *Buffer;
BitstreamReader StreamFile;
BitstreamCursor Stream;
@@ -163,6 +163,12 @@
/// map contains info about where to find deferred function body (in the
/// stream) and what linkage the original function had.
DenseMap<Function*, std::pair<uint64_t, unsigned> > DeferredFunctionInfo;
+
+ /// BlockAddrFwdRefs - These are blockaddr references to basic blocks. These
+ /// are resolved lazily when functions are loaded.
+ typedef std::pair<unsigned, GlobalVariable*> BlockAddrRefTy;
+ DenseMap<Function*, std::vector<BlockAddrRefTy> > BlockAddrFwdRefs;
+
public:
explicit BitcodeReader(MemoryBuffer *buffer, LLVMContext& C)
: Context(C), Buffer(buffer), ErrorString(0), ValueList(C), MDValueList(C) {