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Allow the APInt form of ComputeMaskedBits to operate on i128 types.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47101 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-02-13 23:13:32 +00:00
parent f4f92f5ebe
commit d9fe41c0c8
1 changed files with 7 additions and 4 deletions
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11
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@@ -1134,14 +1134,13 @@ void SelectionDAG::ComputeMaskedBits(SDOperand Op, const APInt &Mask,
APInt &KnownZero, APInt &KnownOne, APInt &KnownZero, APInt &KnownOne,
unsigned Depth) const { unsigned Depth) const {
unsigned BitWidth = Mask.getBitWidth(); unsigned BitWidth = Mask.getBitWidth();
assert(BitWidth == MVT::getSizeInBits(Op.getValueType()) &&
"Mask size mismatches value type size!");
KnownZero = KnownOne = APInt(BitWidth, 0); // Don't know anything. KnownZero = KnownOne = APInt(BitWidth, 0); // Don't know anything.
if (Depth == 6 || Mask == 0) if (Depth == 6 || Mask == 0)
return; // Limit search depth. return; // Limit search depth.
// The masks are not wide enough to represent this type! Should use APInt.
if (Op.getValueType() == MVT::i128)
return;
APInt KnownZero2, KnownOne2; APInt KnownZero2, KnownOne2;
switch (Op.getOpcode()) { switch (Op.getOpcode()) {
@@ -1477,6 +1476,10 @@ void SelectionDAG::ComputeMaskedBits(SDOperand Op, const APInt &Mask,
void SelectionDAG::ComputeMaskedBits(SDOperand Op, uint64_t Mask, void SelectionDAG::ComputeMaskedBits(SDOperand Op, uint64_t Mask,
uint64_t &KnownZero, uint64_t &KnownOne, uint64_t &KnownZero, uint64_t &KnownOne,
unsigned Depth) const { unsigned Depth) const {
// The masks are not wide enough to represent this type! Should use APInt.
if (Op.getValueType() == MVT::i128)
return;
unsigned NumBits = MVT::getSizeInBits(Op.getValueType()); unsigned NumBits = MVT::getSizeInBits(Op.getValueType());
APInt APIntMask(NumBits, Mask); APInt APIntMask(NumBits, Mask);
APInt APIntKnownZero(NumBits, 0); APInt APIntKnownZero(NumBits, 0);