Remove ARRAY/VECTOR types from PNaCl bitcode files.

The value selector list for switch statements are represented using
ARRAY/VECTOR constants, but this information is not put into the bitcode file.
This CL changes the value enumerator to not emit these constants.

BUG= https://code.google.com/p/nativeclient/issues/detail?id=3649
R=mseaborn@chromium.org

Review URL: https://codereview.chromium.org/23653013

1 files changed, 4 insertions, 17 deletions

diff --git a/lib/Bitcode/NaCl/Writer/NaClBitcodeWriter.cpp b/lib/Bitcode/NaCl/Writer/NaClBitcodeWriter.cpp
index 3d5d50cc20..ec13266221 100644
--- a/lib/Bitcode/NaCl/Writer/NaClBitcodeWriter.cpp
+++ b/lib/Bitcode/NaCl/Writer/NaClBitcodeWriter.cpp
@@ -253,23 +253,10 @@ static void WriteTypeTable(const NaClValueEnumerator &VE,
     }
     case Type::StructTyID:
       report_fatal_error("Struct types are not supported in PNaCl bitcode");
-    case Type::ArrayTyID: {
-      ArrayType *AT = cast<ArrayType>(T);
-      // ARRAY: [numelts, eltty]
-      Code = naclbitc::TYPE_CODE_ARRAY;
-      TypeVals.push_back(AT->getNumElements());
-      TypeVals.push_back(VE.getTypeID(AT->getElementType()));
-      AbbrevToUse = TYPE_ARRAY_ABBREV;
-      break;
-    }
-    case Type::VectorTyID: {
-      VectorType *VT = cast<VectorType>(T);
-      // VECTOR [numelts, eltty]
-      Code = naclbitc::TYPE_CODE_VECTOR;
-      TypeVals.push_back(VT->getNumElements());
-      TypeVals.push_back(VE.getTypeID(VT->getElementType()));
-      break;
-    }
+    case Type::ArrayTyID:
+      report_fatal_error("Array types are not supported in PNaCl bitcode");
+    case Type::VectorTyID:
+      report_fatal_error("Vector types are not supported in PNaCl bitcode");
     }
 
     // Emit the finished record.