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[CodeGen] Simplify getNode(*EXT/TRUNC) type size assert. NFC. 

We already check that vectors have the same number of elements, we
don't need to use the scalar types explicitly: comparing the size of
the whole vector is enough.

llvm-svn: 244857
This commit is contained in:
Ahmed Bougacha 2015-08-13 01:08:48 +00:00
parent f0461ba985
commit 31e0d9a2b1
1 changed files with 8 additions and 8 deletions
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16
llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
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@ -3017,12 +3017,12 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL,
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
"Invalid SIGN_EXTEND!");
if (Operand.getValueType() == VT) return Operand; // noop extension
assert(Operand.getValueType().getScalarType().bitsLT(VT.getScalarType()) &&
"Invalid sext node, dst < src!");
assert((!VT.isVector() ||
VT.getVectorNumElements() ==
Operand.getValueType().getVectorNumElements()) &&
"Vector element count mismatch!");
assert(Operand.getValueType().bitsLT(VT) &&
"Invalid sext node, dst < src!");
if (OpOpcode == ISD::SIGN_EXTEND || OpOpcode == ISD::ZERO_EXTEND)
return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));
else if (OpOpcode == ISD::UNDEF)
@ -3033,12 +3033,12 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL,
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
"Invalid ZERO_EXTEND!");
if (Operand.getValueType() == VT) return Operand; // noop extension
assert(Operand.getValueType().getScalarType().bitsLT(VT.getScalarType()) &&
"Invalid zext node, dst < src!");
assert((!VT.isVector() ||
VT.getVectorNumElements() ==
Operand.getValueType().getVectorNumElements()) &&
"Vector element count mismatch!");
assert(Operand.getValueType().bitsLT(VT) &&
"Invalid zext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND) // (zext (zext x)) -> (zext x)
return getNode(ISD::ZERO_EXTEND, DL, VT,
Operand.getNode()->getOperand(0));
@ -3050,12 +3050,12 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL,
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
"Invalid ANY_EXTEND!");
if (Operand.getValueType() == VT) return Operand; // noop extension
assert(Operand.getValueType().getScalarType().bitsLT(VT.getScalarType()) &&
"Invalid anyext node, dst < src!");
assert((!VT.isVector() ||
VT.getVectorNumElements() ==
Operand.getValueType().getVectorNumElements()) &&
"Vector element count mismatch!");
assert(Operand.getValueType().bitsLT(VT) &&
"Invalid anyext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||
OpOpcode == ISD::ANY_EXTEND)
@ -3075,12 +3075,12 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL,
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
"Invalid TRUNCATE!");
if (Operand.getValueType() == VT) return Operand; // noop truncate
assert(Operand.getValueType().getScalarType().bitsGT(VT.getScalarType()) &&
"Invalid truncate node, src < dst!");
assert((!VT.isVector() ||
VT.getVectorNumElements() ==
Operand.getValueType().getVectorNumElements()) &&
"Vector element count mismatch!");
assert(Operand.getValueType().bitsGT(VT) &&
"Invalid truncate node, src < dst!");
if (OpOpcode == ISD::TRUNCATE)
return getNode(ISD::TRUNCATE, DL, VT, Operand.getNode()->getOperand(0));
if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||