Make blockaddress(@func, null) be valid, and make 'deleting a basic
block with a blockaddress still referring to it' replace the invalid
blockaddress with a new blockaddress(@func, null) instead of a
inttoptr(1).
This changes the bitcode encoding format, and still needs codegen
support (this should produce a non-zero value, referring to the entry
block of the function would also be quite reasonable).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85678 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp
index af0b8ac..e32977d 100644
--- a/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -854,7 +854,8 @@
break;
}
} else if (const BlockAddress *BA = dyn_cast<BlockAddress>(C)) {
- assert(BA->getFunction() == BA->getBasicBlock()->getParent() &&
+ assert((!BA->getBasicBlock() ||
+ BA->getFunction() == BA->getBasicBlock()->getParent()) &&
"Malformed blockaddress");
Code = bitc::CST_CODE_BLOCKADDRESS;
Record.push_back(VE.getTypeID(BA->getFunction()->getType()));