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Convert the LLVM parser over to using the new Attributes::Builder to build its

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attributes objects.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165436 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2012-10-08 22:20:14 +00:00
parent c92b8aa79f
commit 0327244ec6
3 changed files with 39 additions and 32 deletions
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1
include/llvm/Attributes.h
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@ -216,6 +216,7 @@ public:
/// get - Return a uniquified Attributes object. This takes the uniquified
/// value from the Builder and wraps it in the Attributes class.
static Attributes get(Builder &B);
static Attributes get(LLVMContext &Context, Builder &B);
// Attribute query methods.

64
lib/AsmParser/LLParser.cpp
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@ -917,7 +917,7 @@ bool LLParser::ParseOptionalAddrSpace(unsigned &AddrSpace) {
/// indicates what kind of attribute list this is: 0: function arg, 1: result,
/// 2: function attr.
bool LLParser::ParseOptionalAttrs(Attributes &Attrs, unsigned AttrKind) {
Attrs = Attribute::None;
Attributes::Builder B;
LocTy AttrLoc = Lex.getLoc();
bool HaveError = false;
@ -925,39 +925,40 @@ bool LLParser::ParseOptionalAttrs(Attributes &Attrs, unsigned AttrKind) {
lltok::Kind Token = Lex.getKind();
switch (Token) {
default: // End of attributes.
Attrs = Attributes::get(B); // FIXME: Use the other version of get().
return HaveError;
case lltok::kw_zeroext: Attrs |= Attribute::ZExt; break;
case lltok::kw_signext: Attrs |= Attribute::SExt; break;
case lltok::kw_inreg: Attrs |= Attribute::InReg; break;
case lltok::kw_sret: Attrs |= Attribute::StructRet; break;
case lltok::kw_noalias: Attrs |= Attribute::NoAlias; break;
case lltok::kw_nocapture: Attrs |= Attribute::NoCapture; break;
case lltok::kw_byval: Attrs |= Attribute::ByVal; break;
case lltok::kw_nest: Attrs |= Attribute::Nest; break;
case lltok::kw_zeroext: B.addZExtAttr(); break;
case lltok::kw_signext: B.addSExtAttr(); break;
case lltok::kw_inreg: B.addInRegAttr(); break;
case lltok::kw_sret: B.addStructRetAttr(); break;
case lltok::kw_noalias: B.addNoAliasAttr(); break;
case lltok::kw_nocapture: B.addNoCaptureAttr(); break;
case lltok::kw_byval: B.addByValAttr(); break;
case lltok::kw_nest: B.addNestAttr(); break;
case lltok::kw_noreturn: Attrs |= Attribute::NoReturn; break;
case lltok::kw_nounwind: Attrs |= Attribute::NoUnwind; break;
case lltok::kw_uwtable: Attrs |= Attribute::UWTable; break;
case lltok::kw_returns_twice: Attrs |= Attribute::ReturnsTwice; break;
case lltok::kw_noinline: Attrs |= Attribute::NoInline; break;
case lltok::kw_readnone: Attrs |= Attribute::ReadNone; break;
case lltok::kw_readonly: Attrs |= Attribute::ReadOnly; break;
case lltok::kw_inlinehint: Attrs |= Attribute::InlineHint; break;
case lltok::kw_alwaysinline: Attrs |= Attribute::AlwaysInline; break;
case lltok::kw_optsize: Attrs |= Attribute::OptimizeForSize; break;
case lltok::kw_ssp: Attrs |= Attribute::StackProtect; break;
case lltok::kw_sspreq: Attrs |= Attribute::StackProtectReq; break;
case lltok::kw_noredzone: Attrs |= Attribute::NoRedZone; break;
case lltok::kw_noimplicitfloat: Attrs |= Attribute::NoImplicitFloat; break;
case lltok::kw_naked: Attrs |= Attribute::Naked; break;
case lltok::kw_nonlazybind: Attrs |= Attribute::NonLazyBind; break;
case lltok::kw_address_safety: Attrs |= Attribute::AddressSafety; break;
case lltok::kw_noreturn: B.addNoReturnAttr(); break;
case lltok::kw_nounwind: B.addNoUnwindAttr(); break;
case lltok::kw_uwtable: B.addUWTableAttr(); break;
case lltok::kw_returns_twice: B.addReturnsTwiceAttr(); break;
case lltok::kw_noinline: B.addNoInlineAttr(); break;
case lltok::kw_readnone: B.addReadNoneAttr(); break;
case lltok::kw_readonly: B.addReadOnlyAttr(); break;
case lltok::kw_inlinehint: B.addInlineHintAttr(); break;
case lltok::kw_alwaysinline: B.addAlwaysInlineAttr(); break;
case lltok::kw_optsize: B.addOptimizeForSizeAttr(); break;
case lltok::kw_ssp: B.addStackProtectAttr(); break;
case lltok::kw_sspreq: B.addStackProtectReqAttr(); break;
case lltok::kw_noredzone: B.addNoRedZoneAttr(); break;
case lltok::kw_noimplicitfloat: B.addNoImplicitFloatAttr(); break;
case lltok::kw_naked: B.addNakedAttr(); break;
case lltok::kw_nonlazybind: B.addNonLazyBindAttr(); break;
case lltok::kw_address_safety: B.addAddressSafetyAttr(); break;
case lltok::kw_alignstack: {
unsigned Alignment;
if (ParseOptionalStackAlignment(Alignment))
return true;
Attrs |= Attributes::constructStackAlignmentFromInt(Alignment);
B.addStackAlignmentAttr(Alignment);
continue;
}
@ -965,7 +966,7 @@ bool LLParser::ParseOptionalAttrs(Attributes &Attrs, unsigned AttrKind) {
unsigned Alignment;
if (ParseOptionalAlignment(Alignment))
return true;
Attrs |= Attributes::constructAlignmentFromInt(Alignment);
B.addAlignmentAttr(Alignment);
continue;
}
@ -1434,16 +1435,15 @@ bool LLParser::ParseParameterList(SmallVectorImpl<ParamInfo> &ArgList,
// Parse the argument.
LocTy ArgLoc;
Type *ArgTy = 0;
Attributes ArgAttrs1;
Attributes ArgAttrs2;
Attributes ArgAttrs;
Value *V;
if (ParseType(ArgTy, ArgLoc))
return true;
// Otherwise, handle normal operands.
if (ParseOptionalAttrs(ArgAttrs1, 0) || ParseValue(ArgTy, V, PFS))
if (ParseOptionalAttrs(ArgAttrs, 0) || ParseValue(ArgTy, V, PFS))
return true;
ArgList.push_back(ParamInfo(ArgLoc, V, ArgAttrs1|ArgAttrs2));
ArgList.push_back(ParamInfo(ArgLoc, V, ArgAttrs));
}
Lex.Lex(); // Lex the ')'.

6
lib/VMCore/Attributes.cpp
View File

@ -33,6 +33,12 @@ Attributes::Attributes(Attribute::AttrConst Val) : Attrs(Val.v) {}
Attributes::Attributes(AttributesImpl *A) : Attrs(A->Bits) {}
// FIXME: This is temporary until we have implemented the uniquified version of
// AttributesImpl.
Attributes Attributes::get(Attributes::Builder &B) {
return Attributes(B.Bits);
}
Attributes Attributes::get(LLVMContext &Context, Attributes::Builder &B) {
// If there are no attributes, return an empty Attributes class.
if (B.Bits == 0)