implement the 'string constant' optimization. This shrinks kc.bit from
2878544 to 2815788
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36818 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Reader/BitcodeReader.cpp b/lib/Bitcode/Reader/BitcodeReader.cpp
index 5a7c84d..b1a001e 100644
--- a/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -642,7 +642,21 @@
}
break;
}
+ case bitc::CST_CODE_STRING: { // STRING: [values]
+ if (Record.empty())
+ return Error("Invalid CST_AGGREGATE record");
+ const ArrayType *ATy = cast<ArrayType>(CurTy);
+ const Type *EltTy = ATy->getElementType();
+
+ unsigned Size = Record.size();
+ std::vector<Constant*> Elts;
+
+ for (unsigned i = 0; i != Size; ++i)
+ Elts.push_back(ConstantInt::get(EltTy, Record[i]));
+ V = ConstantArray::get(ATy, Elts);
+ break;
+ }
case bitc::CST_CODE_CE_BINOP: { // CE_BINOP: [opcode, opval, opval]
if (Record.size() < 3) return Error("Invalid CE_BINOP record");
int Opc = GetDecodedBinaryOpcode(Record[0], CurTy);