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Add an option `-enable-old-style-attr-syntax' to print out function attributes in the "old" style.
It's sometimes beneficial to emit a testcase with the old style attribute syntax. Allow someone to do this. <rdar://problem/13563209> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@179735 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -306,7 +306,8 @@ public:
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unsigned getStackAlignment(unsigned Index) const;
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/// \brief Return the attributes at the index as a string.
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std::string getAsString(unsigned Index, bool InAttrGrp = false) const;
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std::string getAsString(unsigned Index, bool TargetIndependent = false,
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bool InAttrGrp = false) const;
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typedef ArrayRef<Attribute>::iterator iterator;
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@ -33,6 +33,7 @@
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#include "llvm/IR/TypeFinder.h"
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#include "llvm/IR/ValueSymbolTable.h"
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#include "llvm/Support/CFG.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/Debug.h"
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#include "llvm/Support/Dwarf.h"
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#include "llvm/Support/ErrorHandling.h"
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@ -42,6 +43,12 @@
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#include <cctype>
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using namespace llvm;
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static cl::opt<bool>
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OldStyleAttrSyntax("enable-old-style-attr-syntax",
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cl::desc("Output attributes on functions rather than in attribute groups"),
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cl::Hidden,
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cl::init(false));
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// Make virtual table appear in this compilation unit.
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AssemblyAnnotationWriter::~AssemblyAnnotationWriter() {}
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@ -1378,7 +1385,7 @@ void AssemblyWriter::printModule(const Module *M) {
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printFunction(I);
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// Output all attribute groups.
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if (!Machine.as_empty()) {
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if (!OldStyleAttrSyntax && !Machine.as_empty()) {
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Out << '\n';
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writeAllAttributeGroups();
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}
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@ -1606,24 +1613,9 @@ void AssemblyWriter::printFunction(const Function *F) {
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Out << "; Materializable\n";
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const AttributeSet &Attrs = F->getAttributes();
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if (Attrs.hasAttributes(AttributeSet::FunctionIndex)) {
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if (!OldStyleAttrSyntax && Attrs.hasAttributes(AttributeSet::FunctionIndex)) {
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AttributeSet AS = Attrs.getFnAttributes();
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std::string AttrStr;
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unsigned Idx = 0;
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for (unsigned E = AS.getNumSlots(); Idx != E; ++Idx)
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if (AS.getSlotIndex(Idx) == AttributeSet::FunctionIndex)
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break;
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for (AttributeSet::iterator I = AS.begin(Idx), E = AS.end(Idx);
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I != E; ++I) {
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Attribute Attr = *I;
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if (!Attr.isStringAttribute()) {
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if (!AttrStr.empty()) AttrStr += ' ';
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AttrStr += Attr.getAsString();
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}
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}
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std::string AttrStr = AS.getAsString(AttributeSet::FunctionIndex, true);
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if (!AttrStr.empty())
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Out << "; Function Attrs: " << AttrStr << '\n';
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}
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@ -1685,8 +1677,15 @@ void AssemblyWriter::printFunction(const Function *F) {
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Out << ')';
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if (F->hasUnnamedAddr())
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Out << " unnamed_addr";
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if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
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Out << " #" << Machine.getAttributeGroupSlot(Attrs.getFnAttributes());
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if (!OldStyleAttrSyntax) {
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if (Attrs.hasAttributes(AttributeSet::FunctionIndex))
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Out << " #" << Machine.getAttributeGroupSlot(Attrs.getFnAttributes());
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} else {
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AttributeSet AS = Attrs.getFnAttributes();
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std::string AttrStr = AS.getAsString(AttributeSet::FunctionIndex, true);
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if (!AttrStr.empty())
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Out << ' ' << AttrStr;
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}
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if (F->hasSection()) {
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Out << " section \"";
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PrintEscapedString(F->getSection(), Out);
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@ -2157,7 +2156,8 @@ void AssemblyWriter::writeAllAttributeGroups() {
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for (std::vector<std::pair<AttributeSet, unsigned> >::iterator
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I = asVec.begin(), E = asVec.end(); I != E; ++I)
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Out << "attributes #" << I->second << " = { "
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<< I->first.getAsString(AttributeSet::FunctionIndex, true) << " }\n";
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<< I->first.getAsString(AttributeSet::FunctionIndex, false, true)
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<< " }\n";
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}
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//===----------------------------------------------------------------------===//
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@ -178,7 +178,7 @@ public:
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unsigned getAlignment() const;
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unsigned getStackAlignment() const;
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std::string getAsString(bool InAttrGrp) const;
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std::string getAsString(bool TargetIndependent, bool InAttrGrp) const;
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typedef SmallVectorImpl<Attribute>::iterator iterator;
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typedef SmallVectorImpl<Attribute>::const_iterator const_iterator;
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@ -480,12 +480,17 @@ unsigned AttributeSetNode::getStackAlignment() const {
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return 0;
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}
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std::string AttributeSetNode::getAsString(bool InAttrGrp) const {
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std::string AttributeSetNode::getAsString(bool TargetIndependent,
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bool InAttrGrp) const {
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std::string Str = "";
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for (SmallVectorImpl<Attribute>::const_iterator I = AttrList.begin(),
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E = AttrList.end(); I != E; ) {
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Str += I->getAsString(InAttrGrp);
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if (++I != E) Str += " ";
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if (!TargetIndependent || !I->isStringAttribute()) {
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Str += I->getAsString(InAttrGrp);
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if (++I != E) Str += " ";
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} else {
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++I;
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}
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}
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return Str;
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}
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@ -841,10 +846,11 @@ unsigned AttributeSet::getStackAlignment(unsigned Index) const {
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return ASN ? ASN->getStackAlignment() : 0;
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}
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std::string AttributeSet::getAsString(unsigned Index,
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std::string AttributeSet::getAsString(unsigned Index, bool TargetIndependent,
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bool InAttrGrp) const {
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AttributeSetNode *ASN = getAttributes(Index);
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return ASN ? ASN->getAsString(InAttrGrp) : std::string("");
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return ASN ? ASN->getAsString(TargetIndependent, InAttrGrp) :
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std::string("");
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}
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/// \brief The attributes for the specified index are returned.
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