[llvm] r180574 - revert r179735, it has no testcases, and doesn't really make sense.

Reid Kleckner rnk at google.com
Mon Apr 29 11:38:11 PDT 2013


Yes, that would be ideal.  I don't actually understand this code, or
why this change fixes things, but there were complaints on the dev
list so I thought it was worth reverting once I had a clean check run.

On Mon, Apr 29, 2013 at 11:34 AM, David Blaikie <dblaikie at gmail.com> wrote:
> Is it possible to include a test with a fixed triple to demonstrate &
> avoid regressing this from any platform?
>
> On Mon, Apr 29, 2013 at 11:23 AM, Reid Kleckner <rnk at google.com> wrote:
>> This breaks the windows tests, so I'm reverting it.
>>
>> On Thu, Apr 25, 2013 at 1:34 PM, Chris Lattner <sabre at nondot.org> wrote:
>>> Author: lattner
>>> Date: Thu Apr 25 15:34:16 2013
>>> New Revision: 180574
>>>
>>> URL: http://llvm.org/viewvc/llvm-project?rev=180574&view=rev
>>> Log:
>>> revert r179735, it has no testcases, and doesn't really make sense.
>>>
>>> Modified:
>>>     llvm/trunk/include/llvm/IR/Attributes.h
>>>     llvm/trunk/lib/IR/AsmWriter.cpp
>>>     llvm/trunk/lib/IR/AttributeImpl.h
>>>     llvm/trunk/lib/IR/Attributes.cpp
>>>
>>> Modified: llvm/trunk/include/llvm/IR/Attributes.h
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/IR/Attributes.h?rev=180574&r1=180573&r2=180574&view=diff
>>> ==============================================================================
>>> --- llvm/trunk/include/llvm/IR/Attributes.h (original)
>>> +++ llvm/trunk/include/llvm/IR/Attributes.h Thu Apr 25 15:34:16 2013
>>> @@ -307,8 +307,7 @@ public:
>>>    unsigned getStackAlignment(unsigned Index) const;
>>>
>>>    /// \brief Return the attributes at the index as a string.
>>> -  std::string getAsString(unsigned Index, bool TargetIndependent = true,
>>> -                          bool InAttrGrp = false) const;
>>> +  std::string getAsString(unsigned Index, bool InAttrGrp = false) const;
>>>
>>>    typedef ArrayRef<Attribute>::iterator iterator;
>>>
>>>
>>> Modified: llvm/trunk/lib/IR/AsmWriter.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AsmWriter.cpp?rev=180574&r1=180573&r2=180574&view=diff
>>> ==============================================================================
>>> --- llvm/trunk/lib/IR/AsmWriter.cpp (original)
>>> +++ llvm/trunk/lib/IR/AsmWriter.cpp Thu Apr 25 15:34:16 2013
>>> @@ -33,7 +33,6 @@
>>>  #include "llvm/IR/TypeFinder.h"
>>>  #include "llvm/IR/ValueSymbolTable.h"
>>>  #include "llvm/Support/CFG.h"
>>> -#include "llvm/Support/CommandLine.h"
>>>  #include "llvm/Support/Debug.h"
>>>  #include "llvm/Support/Dwarf.h"
>>>  #include "llvm/Support/ErrorHandling.h"
>>> @@ -43,12 +42,6 @@
>>>  #include <cctype>
>>>  using namespace llvm;
>>>
>>> -static cl::opt<bool>
>>> -OldStyleAttrSyntax("enable-old-style-attr-syntax",
>>> -    cl::desc("Output attributes on functions rather than in attribute groups"),
>>> -    cl::Hidden,
>>> -    cl::init(false));
>>> -
>>>  // Make virtual table appear in this compilation unit.
>>>  AssemblyAnnotationWriter::~AssemblyAnnotationWriter() {}
>>>
>>> @@ -1385,7 +1378,7 @@ void AssemblyWriter::printModule(const M
>>>      printFunction(I);
>>>
>>>    // Output all attribute groups.
>>> -  if (!OldStyleAttrSyntax && !Machine.as_empty()) {
>>> +  if (!Machine.as_empty()) {
>>>      Out << '\n';
>>>      writeAllAttributeGroups();
>>>    }
>>> @@ -1613,9 +1606,24 @@ void AssemblyWriter::printFunction(const
>>>      Out << "; Materializable\n";
>>>
>>>    const AttributeSet &Attrs = F->getAttributes();
>>> -  if (!OldStyleAttrSyntax && Attrs.hasAttributes(AttributeSet::FunctionIndex)) {
>>> +  if (Attrs.hasAttributes(AttributeSet::FunctionIndex)) {
>>>      AttributeSet AS = Attrs.getFnAttributes();
>>> -    std::string AttrStr = AS.getAsString(AttributeSet::FunctionIndex, false);
>>> +    std::string AttrStr;
>>> +
>>> +    unsigned Idx = 0;
>>> +    for (unsigned E = AS.getNumSlots(); Idx != E; ++Idx)
>>> +      if (AS.getSlotIndex(Idx) == AttributeSet::FunctionIndex)
>>> +        break;
>>> +
>>> +    for (AttributeSet::iterator I = AS.begin(Idx), E = AS.end(Idx);
>>> +         I != E; ++I) {
>>> +      Attribute Attr = *I;
>>> +      if (!Attr.isStringAttribute()) {
>>> +        if (!AttrStr.empty()) AttrStr += ' ';
>>> +        AttrStr += Attr.getAsString();
>>> +      }
>>> +    }
>>> +
>>>      if (!AttrStr.empty())
>>>        Out << "; Function Attrs: " << AttrStr << '\n';
>>>    }
>>> @@ -1677,15 +1685,8 @@ void AssemblyWriter::printFunction(const
>>>    Out << ')';
>>>    if (F->hasUnnamedAddr())
>>>      Out << " unnamed_addr";
>>> -  if (!OldStyleAttrSyntax) {
>>> -    if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
>>> -      Out << " #" << Machine.getAttributeGroupSlot(Attrs.getFnAttributes());
>>> -  } else {
>>> -    AttributeSet AS = Attrs.getFnAttributes();
>>> -    std::string AttrStr = AS.getAsString(AttributeSet::FunctionIndex, false);
>>> -    if (!AttrStr.empty())
>>> -      Out << ' ' << AttrStr;
>>> -  }
>>> +  if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
>>> +    Out << " #" << Machine.getAttributeGroupSlot(Attrs.getFnAttributes());
>>>    if (F->hasSection()) {
>>>      Out << " section \"";
>>>      PrintEscapedString(F->getSection(), Out);
>>> @@ -2156,8 +2157,7 @@ void AssemblyWriter::writeAllAttributeGr
>>>    for (std::vector<std::pair<AttributeSet, unsigned> >::iterator
>>>           I = asVec.begin(), E = asVec.end(); I != E; ++I)
>>>      Out << "attributes #" << I->second << " = { "
>>> -        << I->first.getAsString(AttributeSet::FunctionIndex, true, true)
>>> -        << " }\n";
>>> +        << I->first.getAsString(AttributeSet::FunctionIndex, true) << " }\n";
>>>  }
>>>
>>>  //===----------------------------------------------------------------------===//
>>>
>>> Modified: llvm/trunk/lib/IR/AttributeImpl.h
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AttributeImpl.h?rev=180574&r1=180573&r2=180574&view=diff
>>> ==============================================================================
>>> --- llvm/trunk/lib/IR/AttributeImpl.h (original)
>>> +++ llvm/trunk/lib/IR/AttributeImpl.h Thu Apr 25 15:34:16 2013
>>> @@ -178,7 +178,7 @@ public:
>>>
>>>    unsigned getAlignment() const;
>>>    unsigned getStackAlignment() const;
>>> -  std::string getAsString(bool TargetIndependent, bool InAttrGrp) const;
>>> +  std::string getAsString(bool InAttrGrp) const;
>>>
>>>    typedef SmallVectorImpl<Attribute>::iterator       iterator;
>>>    typedef SmallVectorImpl<Attribute>::const_iterator const_iterator;
>>>
>>> Modified: llvm/trunk/lib/IR/Attributes.cpp
>>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Attributes.cpp?rev=180574&r1=180573&r2=180574&view=diff
>>> ==============================================================================
>>> --- llvm/trunk/lib/IR/Attributes.cpp (original)
>>> +++ llvm/trunk/lib/IR/Attributes.cpp Thu Apr 25 15:34:16 2013
>>> @@ -483,16 +483,13 @@ unsigned AttributeSetNode::getStackAlign
>>>    return 0;
>>>  }
>>>
>>> -std::string AttributeSetNode::getAsString(bool TargetIndependent,
>>> -                                          bool InAttrGrp) const {
>>> +std::string AttributeSetNode::getAsString(bool InAttrGrp) const {
>>>    std::string Str;
>>>    for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
>>>           E = AttrList.end(); I != E; ++I) {
>>> -    if (TargetIndependent || !I->isStringAttribute()) {
>>> -      if (I != AttrList.begin())
>>> -        Str += ' ';
>>> -      Str += I->getAsString(InAttrGrp);
>>> -    }
>>> +    if (I != AttrList.begin())
>>> +      Str += ' ';
>>> +    Str += I->getAsString(InAttrGrp);
>>>    }
>>>    return Str;
>>>  }
>>> @@ -848,11 +845,10 @@ unsigned AttributeSet::getStackAlignment
>>>    return ASN ? ASN->getStackAlignment() : 0;
>>>  }
>>>
>>> -std::string AttributeSet::getAsString(unsigned Index, bool TargetIndependent,
>>> +std::string AttributeSet::getAsString(unsigned Index,
>>>                                        bool InAttrGrp) const {
>>>    AttributeSetNode *ASN = getAttributes(Index);
>>> -  return ASN ? ASN->getAsString(TargetIndependent, InAttrGrp) :
>>> -    std::string("");
>>> +  return ASN ? ASN->getAsString(InAttrGrp) : std::string("");
>>>  }
>>>
>>>  /// \brief The attributes for the specified index are returned.
>>>
>>>
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