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authorChris Lattner <sabre@nondot.org>2012-01-26 02:51:13 +0000
committerChris Lattner <sabre@nondot.org>2012-01-26 02:51:13 +0000
commit56243b89e7d5072d2d5498f806679d19ea483dac (patch)
tree7ed46c29b55e989af4fc74144faa99542547e436 /lib/VMCore/Constants.cpp
parentd59ae907eea28285ece6696d6f3271b4ca578c0d (diff)
eliminate the Constant::getVectorElements method. There are better (and
more robust) ways to do what it was doing now. Also, add static methods for decoding a ShuffleVector mask. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149028 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/VMCore/Constants.cpp')
-rw-r--r--lib/VMCore/Constants.cpp30
1 files changed, 0 insertions, 30 deletions
diff --git a/lib/VMCore/Constants.cpp b/lib/VMCore/Constants.cpp
index f5239e1569..2530b63d8a 100644
--- a/lib/VMCore/Constants.cpp
+++ b/lib/VMCore/Constants.cpp
@@ -312,36 +312,6 @@ Constant::PossibleRelocationsTy Constant::getRelocationInfo() const {
return Result;
}
-
-/// getVectorElements - This method, which is only valid on constant of vector
-/// type, returns the elements of the vector in the specified smallvector.
-/// This handles breaking down a vector undef into undef elements, etc. For
-/// constant exprs and other cases we can't handle, we return an empty vector.
-void Constant::getVectorElements(SmallVectorImpl<Constant*> &Elts) const {
- assert(getType()->isVectorTy() && "Not a vector constant!");
-
- if (const ConstantVector *CV = dyn_cast<ConstantVector>(this)) {
- for (unsigned i = 0, e = CV->getNumOperands(); i != e; ++i)
- Elts.push_back(CV->getOperand(i));
- return;
- }
-
- VectorType *VT = cast<VectorType>(getType());
- if (isa<ConstantAggregateZero>(this)) {
- Elts.assign(VT->getNumElements(),
- Constant::getNullValue(VT->getElementType()));
- return;
- }
-
- if (isa<UndefValue>(this)) {
- Elts.assign(VT->getNumElements(), UndefValue::get(VT->getElementType()));
- return;
- }
-
- // Unknown type, must be constant expr etc.
-}
-
-
/// removeDeadUsersOfConstant - If the specified constantexpr is dead, remove
/// it. This involves recursively eliminating any dead users of the
/// constantexpr.