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Make the comment for ScalarizeVectorOp mention that it is only for use

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with single-element vectors.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37752 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2007-06-27 14:06:22 +00:00
parent 0d7d3656f3
commit 89b20c07e9
1 changed files with 6 additions and 4 deletions
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10
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -177,8 +177,9 @@ private:
/// two smaller values.
void SplitVectorOp(SDOperand O, SDOperand &Lo, SDOperand &Hi);
/// ScalarizeVectorOp - Given an operand of vector type, convert it into the
/// equivalent operation that returns a scalar value.
/// ScalarizeVectorOp - Given an operand of single-element vector type
/// (e.g. v1f32), convert it into the equivalent operation that returns a
/// scalar (e.g. f32) value.
SDOperand ScalarizeVectorOp(SDOperand O);
/// isShuffleLegal - Return true if a vector shuffle is legal with the
@ -5602,8 +5603,9 @@ void SelectionDAGLegalize::SplitVectorOp(SDOperand Op, SDOperand &Lo,
}
/// ScalarizeVectorOp - Given an operand of vector type, convert it into the
/// equivalent operation that returns a scalar (e.g. F32) value.
/// ScalarizeVectorOp - Given an operand of single-element vector type
/// (e.g. v1f32), convert it into the equivalent operation that returns a
/// scalar (e.g. f32) value.
SDOperand SelectionDAGLegalize::ScalarizeVectorOp(SDOperand Op) {
assert(MVT::isVector(Op.getValueType()) &&
"Bad ScalarizeVectorOp invocation!");