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Yes, vector conversions are bitcasts. 

llvm-svn: 119141
This commit is contained in:
John McCall 2010-11-15 10:08:00 +00:00
parent f608debd9b
commit 3065d046b5
1 changed files with 3 additions and 3 deletions
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6
clang/lib/Sema/SemaExpr.cpp
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@ -5282,7 +5282,7 @@ Sema::CheckAssignmentConstraints(QualType lhsType, QualType rhsType,
if (rhsType->isExtVectorType())
return Incompatible;
if (rhsType->isArithmeticType()) {
Kind = CK_Unknown; // FIXME: vector splat, requires two casts
Kind = CK_Unknown; // FIXME: vector splat, potentially requires two casts
return Compatible;
}
}
@ -5294,14 +5294,14 @@ Sema::CheckAssignmentConstraints(QualType lhsType, QualType rhsType,
// no bits are changed but the result type is different.
if (getLangOptions().LaxVectorConversions &&
(Context.getTypeSize(lhsType) == Context.getTypeSize(rhsType))) {
Kind = CK_Unknown; // FIXME: vector reinterpret is... bitcast?
Kind = CK_BitCast;
return IncompatibleVectors;
}
// Allow assignments of an AltiVec vector type to an equivalent GCC
// vector type and vice versa
if (Context.areCompatibleVectorTypes(lhsType, rhsType)) {
Kind = CK_Unknown; // FIXME: vector conversion
Kind = CK_BitCast;
return Compatible;
}
}