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[AMDGPU] Fix for DAGCombiner infinite loop in OCLtst

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Differential revision: https://reviews.llvm.org/D44417

llvm-svn: 327488
This commit is contained in:
Alexander Timofeev 2018-03-14 09:48:51 +00:00
parent 12450e221a
commit 386d50adad
1 changed files with 3 additions and 1 deletions
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4
include/llvm/CodeGen/SelectionDAGNodes.h
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@ -1194,7 +1194,8 @@ public:
/// encoding of the volatile flag, as well as bits used by subclasses. This
/// function should only be used to compute a FoldingSetNodeID value.
/// The HasDebugValue bit is masked out because CSE map needs to match
/// nodes with debug info with nodes without debug info.
/// nodes with debug info with nodes without debug info. Same is about
/// isDivergent bit.
unsigned getRawSubclassData() const {
uint16_t Data;
union {
@ -1203,6 +1204,7 @@ public:
};
memcpy(&RawSDNodeBits, &this->RawSDNodeBits, sizeof(this->RawSDNodeBits));
SDNodeBits.HasDebugValue = 0;
SDNodeBits.IsDivergent = false;
memcpy(&Data, &RawSDNodeBits, sizeof(RawSDNodeBits));
return Data;
}