with recent changes, ConstantArray is never a "string". Remove the associated

methods and constant fold the clients to false.

llvm-svn: 149362

1 files changed, 0 insertions, 26 deletions

diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index d58f7cf73df..50c990a6702 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -845,32 +845,6 @@ static void WriteConstants(unsigned FirstVal, unsigned LastVal,
       } else {
         assert (0 && "Unknown FP type!");
       }
-    } else if (isa<ConstantArray>(C) && cast<ConstantArray>(C)->isString()) {
-      const ConstantArray *CA = cast<ConstantArray>(C);
-      // Emit constant strings specially.
-      unsigned NumOps = CA->getNumOperands();
-      // If this is a null-terminated string, use the denser CSTRING encoding.
-      if (CA->getOperand(NumOps-1)->isNullValue()) {
-        Code = bitc::CST_CODE_CSTRING;
-        --NumOps;  // Don't encode the null, which isn't allowed by char6.
-      } else {
-        Code = bitc::CST_CODE_STRING;
-        AbbrevToUse = String8Abbrev;
-      }
-      bool isCStr7 = Code == bitc::CST_CODE_CSTRING;
-      bool isCStrChar6 = Code == bitc::CST_CODE_CSTRING;
-      for (unsigned i = 0; i != NumOps; ++i) {
-        unsigned char V = cast<ConstantInt>(CA->getOperand(i))->getZExtValue();
-        Record.push_back(V);
-        isCStr7 &= (V & 128) == 0;
-        if (isCStrChar6)
-          isCStrChar6 = BitCodeAbbrevOp::isChar6(V);
-      }
-
-      if (isCStrChar6)
-        AbbrevToUse = CString6Abbrev;
-      else if (isCStr7)
-        AbbrevToUse = CString7Abbrev;
     } else if (isa<ConstantDataSequential>(C) &&
                cast<ConstantDataSequential>(C)->isString()) {
       const ConstantDataSequential *Str = cast<ConstantDataSequential>(C);