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Use more detailed assertion messages in the code introduced by r289538

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llvm-svn: 289545
This commit is contained in:
Artur Pilipenko 2016-12-13 16:26:15 +00:00
parent 08a092ed23
commit f4a6479ee9
1 changed files with 8 additions and 4 deletions
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12
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -4446,7 +4446,8 @@ collectByteProviders(SDValue Op, bool CheckNumberOfUses = false) {
Result.insert(Result.begin(), ByteShift, ByteProvider::getZero());
Result.insert(Result.end(), Original->begin(),
std::prev(Original->end(), ByteShift));
assert(Result.size() == ByteWidth && "sanity");
assert(Result.size() == ByteWidth &&
"Computed width doesn't match from type width");
return Result;
}
case ISD::ZERO_EXTEND: {
@ -4460,7 +4461,8 @@ collectByteProviders(SDValue Op, bool CheckNumberOfUses = false) {
Result.insert(Result.begin(), Original->begin(), Original->end());
Result.insert(Result.end(), ByteWidth - NarrowByteWidth,
ByteProvider::getZero());
assert(Result.size() == ByteWidth && "sanity");
assert(Result.size() == ByteWidth &&
"Computed width doesn't match from type width");
return Result;
}
case ISD::LOAD: {
@ -4469,7 +4471,8 @@ collectByteProviders(SDValue Op, bool CheckNumberOfUses = false) {
L->getExtensionType() != ISD::NON_EXTLOAD)
return None;
assert(BitWidth == L->getMemoryVT().getSizeInBits() && "sanity");
assert(BitWidth == L->getMemoryVT().getSizeInBits() &&
"For non-extend loads widths must be the same");
SmallVector<ByteProvider, 4> Result(ByteWidth);
for (unsigned i = 0; i < ByteWidth; i++)
@ -4517,7 +4520,8 @@ SDValue DAGCombiner::MatchLoadCombine(SDNode *N) {
return SDValue();
auto &Bytes = Res.getValue();
unsigned ByteWidth = Bytes.size();
assert(VT.getSizeInBits() == ByteWidth * 8 && "sanity");
assert(VT.getSizeInBits() == ByteWidth * 8 &&
"collectByteProviders computed width differs from type width");
auto LittleEndianByteAt = [](unsigned BW, unsigned i) { return i; };
auto BigEndianByteAt = [](unsigned BW, unsigned i) { return BW - i - 1; };