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Eliminate an unnecessary dance where we tried to cope with the lack of 

TypeSourceInfo when transforming a function parameter. The callees of
this routine already assume that TypeSourceInfo will be present, and
we want to always be sure that it exists.

llvm-svn: 122927
This commit is contained in:
Douglas Gregor 2011-01-05 23:16:57 +00:00
parent 5499af4ef9
commit f6272cd7e9
1 changed files with 6 additions and 16 deletions
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22
clang/lib/Sema/TreeTransform.h
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@ -3402,26 +3402,16 @@ bool TreeTransform<Derived>::
llvm::SmallVector<UnexpandedParameterPack, 2> Unexpanded;
// Find the parameter packs that could be expanded.
SourceLocation EllipsisLoc;
SourceRange PatternRange;
if (OldParm->getTypeSourceInfo()) {
TypeLoc TL = OldParm->getTypeSourceInfo()->getTypeLoc();
PackExpansionTypeLoc ExpansionTL = cast<PackExpansionTypeLoc>(TL);
TypeLoc Pattern = ExpansionTL.getPatternLoc();
EllipsisLoc = ExpansionTL.getEllipsisLoc();
PatternRange = Pattern.getSourceRange();
SemaRef.collectUnexpandedParameterPacks(Pattern, Unexpanded);
} else {
SemaRef.collectUnexpandedParameterPacks(
cast<PackExpansionType>(OldParm->getType())->getPattern(),
Unexpanded);
EllipsisLoc = OldParm->getLocation();
}
TypeLoc TL = OldParm->getTypeSourceInfo()->getTypeLoc();
PackExpansionTypeLoc ExpansionTL = cast<PackExpansionTypeLoc>(TL);
TypeLoc Pattern = ExpansionTL.getPatternLoc();
SemaRef.collectUnexpandedParameterPacks(Pattern, Unexpanded);
// Determine whether we should expand the parameter packs.
bool ShouldExpand = false;
unsigned NumExpansions = 0;
if (getDerived().TryExpandParameterPacks(EllipsisLoc, PatternRange,
if (getDerived().TryExpandParameterPacks(ExpansionTL.getEllipsisLoc(),
Pattern.getSourceRange(),
Unexpanded.data(),
Unexpanded.size(),
ShouldExpand, NumExpansions)) {