[PATCH] D31563: Bitcode: Remove reader support for MODULE_CODE_PURGEVALS.

[Peter Collingbourne via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL299370: Bitcode: Remove reader support for MODULE_CODE_PURGEVALS. (authored by pcc).

Changed prior to commit:
  https://reviews.llvm.org/D31563?vs=93736&id=93890#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D31563

Files:
  llvm/trunk/docs/BitCodeFormat.rst
  llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
  llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
  llvm/trunk/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp


Index: llvm/trunk/docs/BitCodeFormat.rst
===================================================================
--- llvm/trunk/docs/BitCodeFormat.rst
+++ llvm/trunk/docs/BitCodeFormat.rst
@@ -839,16 +839,6 @@
 * *unnamed_addr*: If present, an encoding of the
   :ref:`unnamed_addr<bcunnamedaddr>` attribute of this alias
 
-MODULE_CODE_PURGEVALS Record
-^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-
-``[PURGEVALS, numvals]``
-
-The ``PURGEVALS`` record (code 10) resets the module-level value list to the
-size given by the single operand value. Module-level value list items are added
-by ``GLOBALVAR``, ``FUNCTION``, and ``ALIAS`` records.  After a ``PURGEVALS``
-record is seen, new value indices will start from the given *numvals* value.
-
 .. _MODULE_CODE_GCNAME:
 
 MODULE_CODE_GCNAME Record
Index: llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
===================================================================
--- llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
+++ llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
@@ -92,9 +92,6 @@
   // ALIAS: [alias type, aliasee val#, linkage, visibility]
   MODULE_CODE_ALIAS_OLD = 9,
 
-  // MODULE_CODE_PURGEVALS: [numvals]
-  MODULE_CODE_PURGEVALS = 10,
-
   MODULE_CODE_GCNAME = 11, // GCNAME: [strchr x N]
   MODULE_CODE_COMDAT = 12, // COMDAT: [selection_kind, name]
 
Index: llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
===================================================================
--- llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
+++ llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -3060,13 +3060,6 @@
       IndirectSymbolInits.push_back(std::make_pair(NewGA, Val));
       break;
     }
-    /// MODULE_CODE_PURGEVALS: [numvals]
-    case bitc::MODULE_CODE_PURGEVALS:
-      // Trim down the value list to the specified size.
-      if (Record.size() < 1 || Record[0] > ValueList.size())
-        return error("Invalid record");
-      ValueList.shrinkTo(Record[0]);
-      break;
     /// MODULE_CODE_VSTOFFSET: [offset]
     case bitc::MODULE_CODE_VSTOFFSET:
       if (Record.size() < 1)
Index: llvm/trunk/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
===================================================================
--- llvm/trunk/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
+++ llvm/trunk/tools/llvm-bcanalyzer/llvm-bcanalyzer.cpp
@@ -171,7 +171,6 @@
       STRINGIFY_CODE(MODULE_CODE, GLOBALVAR)
       STRINGIFY_CODE(MODULE_CODE, FUNCTION)
       STRINGIFY_CODE(MODULE_CODE, ALIAS)
-      STRINGIFY_CODE(MODULE_CODE, PURGEVALS)
       STRINGIFY_CODE(MODULE_CODE, GCNAME)
       STRINGIFY_CODE(MODULE_CODE, VSTOFFSET)
       STRINGIFY_CODE(MODULE_CODE, METADATA_VALUES_UNUSED)


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