[llvm-commits] [llvm] r129259 - in /llvm/trunk: include/llvm/BasicBlock.h include/llvm/Bitcode/LLVMBitCodes.h lib/AsmParser/LLLexer.cpp lib/AsmParser/LLParser.cpp lib/AsmParser/LLToken.h lib/Bitcode/Reader/BitcodeReader.cpp lib/Bitcode/Writer/BitcodeWriter.cpp lib/VMCore/AsmWriter.cpp lib/VMCore/BasicBlock.cpp test/Feature/bb_attrs.ll

Bill Wendling isanbard at gmail.com
Sun Apr 10 16:18:04 PDT 2011


Author: void
Date: Sun Apr 10 18:18:04 2011
New Revision: 129259

URL: http://llvm.org/viewvc/llvm-project?rev=129259&view=rev
Log:
Revert r129235 pending a vetting of the EH rewrite.
--- Reverse-merging r129235 into '.':
D    test/Feature/bb_attrs.ll
U    include/llvm/BasicBlock.h
U    include/llvm/Bitcode/LLVMBitCodes.h
U    lib/VMCore/AsmWriter.cpp
U    lib/VMCore/BasicBlock.cpp
U    lib/AsmParser/LLParser.cpp
U    lib/AsmParser/LLLexer.cpp
U    lib/AsmParser/LLToken.h
U    lib/Bitcode/Reader/BitcodeReader.cpp
U    lib/Bitcode/Writer/BitcodeWriter.cpp


Removed:
    llvm/trunk/test/Feature/bb_attrs.ll
Modified:
    llvm/trunk/include/llvm/BasicBlock.h
    llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
    llvm/trunk/lib/AsmParser/LLLexer.cpp
    llvm/trunk/lib/AsmParser/LLParser.cpp
    llvm/trunk/lib/AsmParser/LLToken.h
    llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
    llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
    llvm/trunk/lib/VMCore/AsmWriter.cpp
    llvm/trunk/lib/VMCore/BasicBlock.cpp

Modified: llvm/trunk/include/llvm/BasicBlock.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/BasicBlock.h?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/include/llvm/BasicBlock.h (original)
+++ llvm/trunk/include/llvm/BasicBlock.h Sun Apr 10 18:18:04 2011
@@ -74,7 +74,6 @@
 private:
   InstListType InstList;
   Function *Parent;
-  bool IsLandingPad;
 
   void setParent(Function *parent);
   friend class SymbolTableListTraits<BasicBlock, Function>;
@@ -139,11 +138,6 @@
     return const_cast<BasicBlock*>(this)->getFirstNonPHIOrDbg();
   }
 
-  /// isLandingPad - True if this basic block is a landing pad for exception
-  /// handling.
-  bool isLandingPad() const { return IsLandingPad; }
-  void setIsLandingPad(bool Val = true) { IsLandingPad = Val; }
-
   /// removeFromParent - This method unlinks 'this' from the containing
   /// function, but does not delete it.
   ///

Modified: llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h (original)
+++ llvm/trunk/include/llvm/Bitcode/LLVMBitCodes.h Sun Apr 10 18:18:04 2011
@@ -106,9 +106,8 @@
 
   // The value symbol table only has one code (VST_ENTRY_CODE).
   enum ValueSymtabCodes {
-    VST_CODE_ENTRY     = 1,  // VST_ENTRY:     [valid, namechar x N]
-    VST_CODE_BBENTRY   = 2,  // VST_BBENTRY:   [bbid, namechar x N]
-    VST_CODE_LPADENTRY = 3   // VST_LPADENTRY: [lpadid, namechar x N]
+    VST_CODE_ENTRY   = 1,  // VST_ENTRY: [valid, namechar x N]
+    VST_CODE_BBENTRY = 2   // VST_BBENTRY: [bbid, namechar x N]
   };
 
   enum MetadataCodes {

Modified: llvm/trunk/lib/AsmParser/LLLexer.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLLexer.cpp?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/lib/AsmParser/LLLexer.cpp (original)
+++ llvm/trunk/lib/AsmParser/LLLexer.cpp Sun Apr 10 18:18:04 2011
@@ -587,8 +587,6 @@
 
   KEYWORD(x);
   KEYWORD(blockaddress);
-
-  KEYWORD(landingpad);
 #undef KEYWORD
 
   // Keywords for types.

Modified: llvm/trunk/lib/AsmParser/LLParser.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLParser.cpp?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/lib/AsmParser/LLParser.cpp (original)
+++ llvm/trunk/lib/AsmParser/LLParser.cpp Sun Apr 10 18:18:04 2011
@@ -2918,11 +2918,6 @@
   BasicBlock *BB = PFS.DefineBB(Name, NameLoc);
   if (BB == 0) return true;
 
-  if (Lex.getKind() == lltok::kw_landingpad) {
-    BB->setIsLandingPad();
-    Lex.Lex();
-  }
-
   std::string NameStr;
 
   // Parse the instructions in this block until we get a terminator.

Modified: llvm/trunk/lib/AsmParser/LLToken.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/AsmParser/LLToken.h?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/lib/AsmParser/LLToken.h (original)
+++ llvm/trunk/lib/AsmParser/LLToken.h Sun Apr 10 18:18:04 2011
@@ -125,9 +125,6 @@
     kw_extractelement, kw_insertelement, kw_shufflevector, kw_getresult,
     kw_extractvalue, kw_insertvalue, kw_blockaddress,
 
-    // Basic block attribute.
-    kw_landingpad,
-
     // Unsigned Valued tokens (UIntVal).
     GlobalID,          // @42
     LocalVarID,        // %42

Modified: llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp (original)
+++ llvm/trunk/lib/Bitcode/Reader/BitcodeReader.cpp Sun Apr 10 18:18:04 2011
@@ -714,8 +714,7 @@
 
     // Read a record.
     Record.clear();
-    unsigned VSTCode = Stream.ReadRecord(Code, Record);
-    switch (VSTCode) {
+    switch (Stream.ReadRecord(Code, Record)) {
     default:  // Default behavior: unknown type.
       break;
     case bitc::VST_CODE_ENTRY: {  // VST_ENTRY: [valueid, namechar x N]
@@ -730,17 +729,13 @@
       ValueName.clear();
       break;
     }
-    case bitc::VST_CODE_BBENTRY:
-    case bitc::VST_CODE_LPADENTRY: {
+    case bitc::VST_CODE_BBENTRY: {
       if (ConvertToString(Record, 1, ValueName))
         return Error("Invalid VST_BBENTRY record");
       BasicBlock *BB = getBasicBlock(Record[0]);
       if (BB == 0)
         return Error("Invalid BB ID in VST_BBENTRY record");
 
-      if (VSTCode == bitc::VST_CODE_LPADENTRY)
-        BB->setIsLandingPad(true);
-
       BB->setName(StringRef(ValueName.data(), ValueName.size()));
       ValueName.clear();
       break;

Modified: llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp (original)
+++ llvm/trunk/lib/Bitcode/Writer/BitcodeWriter.cpp Sun Apr 10 18:18:04 2011
@@ -40,7 +40,6 @@
   VST_ENTRY_7_ABBREV,
   VST_ENTRY_6_ABBREV,
   VST_BBENTRY_6_ABBREV,
-  VST_LPADENTRY_6_ABBREV,
 
   // CONSTANTS_BLOCK abbrev id's.
   CONSTANTS_SETTYPE_ABBREV = bitc::FIRST_APPLICATION_ABBREV,
@@ -1180,20 +1179,13 @@
 
     unsigned AbbrevToUse = VST_ENTRY_8_ABBREV;
 
-    // VST_ENTRY:     [valueid, namechar x N]
-    // VST_BBENTRY:   [bbid, namechar x N]
-    // VST_LPADENTRY: [lpadid, namechar x N]
+    // VST_ENTRY:   [valueid, namechar x N]
+    // VST_BBENTRY: [bbid, namechar x N]
     unsigned Code;
-    if (const BasicBlock *BB = dyn_cast<BasicBlock>(SI->getValue())) {
-      if (BB->isLandingPad()) {
-        Code = bitc::VST_CODE_LPADENTRY;
-        if (isChar6)
-          AbbrevToUse = VST_LPADENTRY_6_ABBREV;
-      } else {
-        Code = bitc::VST_CODE_BBENTRY;
-        if (isChar6)
-          AbbrevToUse = VST_BBENTRY_6_ABBREV;
-      }
+    if (isa<BasicBlock>(SI->getValue())) {
+      Code = bitc::VST_CODE_BBENTRY;
+      if (isChar6)
+        AbbrevToUse = VST_BBENTRY_6_ABBREV;
     } else {
       Code = bitc::VST_CODE_ENTRY;
       if (isChar6)
@@ -1374,16 +1366,8 @@
                                    Abbv) != VST_BBENTRY_6_ABBREV)
       llvm_unreachable("Unexpected abbrev ordering!");
   }
-  { // 6-bit char6 VST_LPADENTRY strings.
-    BitCodeAbbrev *Abbv = new BitCodeAbbrev();
-    Abbv->Add(BitCodeAbbrevOp(bitc::VST_CODE_LPADENTRY));
-    Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::VBR, 8));
-    Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Array));
-    Abbv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Char6));
-    if (Stream.EmitBlockInfoAbbrev(bitc::VALUE_SYMTAB_BLOCK_ID,
-                                   Abbv) != VST_LPADENTRY_6_ABBREV)
-      llvm_unreachable("Unexpected abbrev ordering!");
-  }
+
+
 
   { // SETTYPE abbrev for CONSTANTS_BLOCK.
     BitCodeAbbrev *Abbv = new BitCodeAbbrev();

Modified: llvm/trunk/lib/VMCore/AsmWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/AsmWriter.cpp?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/AsmWriter.cpp (original)
+++ llvm/trunk/lib/VMCore/AsmWriter.cpp Sun Apr 10 18:18:04 2011
@@ -1687,13 +1687,8 @@
     Out << "\n";
     PrintLLVMName(Out, BB->getName(), LabelPrefix);
     Out << ':';
-    if (BB->isLandingPad())
-      Out << " landingpad";
   } else if (!BB->use_empty()) {      // Don't print block # of no uses...
-    Out << '\n';
-    if (BB->isLandingPad())
-      Out << "landingpad ";
-    Out << "; <label>:";
+    Out << "\n; <label>:";
     int Slot = Machine.getLocalSlot(BB);
     if (Slot != -1)
       Out << Slot;

Modified: llvm/trunk/lib/VMCore/BasicBlock.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/BasicBlock.cpp?rev=129259&r1=129258&r2=129259&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/BasicBlock.cpp (original)
+++ llvm/trunk/lib/VMCore/BasicBlock.cpp Sun Apr 10 18:18:04 2011
@@ -38,10 +38,10 @@
 // are not in the public header file...
 template class llvm::SymbolTableListTraits<Instruction, BasicBlock>;
 
+
 BasicBlock::BasicBlock(LLVMContext &C, const Twine &Name, Function *NewParent,
                        BasicBlock *InsertBefore)
-  : Value(Type::getLabelTy(C), Value::BasicBlockVal), Parent(0),
-    IsLandingPad(false) {
+  : Value(Type::getLabelTy(C), Value::BasicBlockVal), Parent(0) {
 
   // Make sure that we get added to a function
   LeakDetector::addGarbageObject(this);
@@ -57,6 +57,7 @@
   setName(Name);
 }
 
+
 BasicBlock::~BasicBlock() {
   // If the address of the block is taken and it is being deleted (e.g. because
   // it is dead), this means that there is either a dangling constant expr

Removed: llvm/trunk/test/Feature/bb_attrs.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Feature/bb_attrs.ll?rev=129258&view=auto
==============================================================================
--- llvm/trunk/test/Feature/bb_attrs.ll (original)
+++ llvm/trunk/test/Feature/bb_attrs.ll (removed)
@@ -1,29 +0,0 @@
-; RUN: llvm-as < %s | llvm-dis > %t1.ll
-; RUN: llvm-as %t1.ll -o - | llvm-dis > %t2.ll
-; RUN: diff %t1.ll %t2.ll
-
-; Test for basic block attributes.
-
-define i32 @f1(i32 %a) {
-entry:
-  %cmp = icmp slt i32 %a, 37
-  br i1 %cmp, label %bb, label %lpad
-
-bb:
-  ret i32 37
-
-lpad: landingpad
-  ret i32 927
-}
-
-define i32 @f2(i32 %a) {
-; entry : 0
-  %1 = icmp slt i32 %a, 37
-  br i1 %1, label %2, label %3
-
-; bb : 2
-  ret i32 37
-
-landingpad ; bb : 3
-  ret i32 927
-}





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