Properly read and write bitcodes for multiple return values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47521 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index ebfca09..a828920 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -1337,17 +1337,30 @@
}
case bitc::FUNC_CODE_INST_RET: // RET: [opty,opval<optional>]
- if (Record.empty()) {
- I = new ReturnInst();
- break;
- } else {
- unsigned OpNum = 0;
- Value *Op;
- if (getValueTypePair(Record, OpNum, NextValueNo, Op) ||
- OpNum != Record.size())
- return Error("Invalid RET record");
- I = new ReturnInst(Op);
- break;
+ {
+ unsigned Size = Record.size();
+ if (Size == 0) {
+ I = new ReturnInst();
+ break;
+ } else if (Size == 1) {
+ unsigned OpNum = 0;
+ Value *Op;
+ if (getValueTypePair(Record, OpNum, NextValueNo, Op) ||
+ OpNum != Record.size())
+ return Error("Invalid RET record");
+ I = new ReturnInst(Op);
+ break;
+ } else {
+ std::vector<Value *> Vs;
+ Value *Op;
+ unsigned OpNum = 0;
+ for (unsigned i = 0; i < Size; ++i) {
+ getValueTypePair(Record, OpNum, NextValueNo, Op);
+ Vs.push_back(Op);
+ }
+ I = new ReturnInst(Vs);
+ break;
+ }
}
case bitc::FUNC_CODE_INST_BR: { // BR: [bb#, bb#, opval] or [bb#]
if (Record.size() != 1 && Record.size() != 3)