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Attempt to fix static_asserts in SelectionDAGNodes.h that MSVC chokes on. 

These were added in r281051, which, I am embarrassed to admit, has an
incomplete commit message that I forgot to update before pushing.  You
can ignore element (2) in that list.

llvm-svn: 281054
This commit is contained in:
Justin Lebar 2016-09-09 16:29:13 +00:00
parent c9404e1039
commit aa4adccc4d
1 changed files with 9 additions and 14 deletions
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23
llvm/include/llvm/CodeGen/SelectionDAGNodes.h
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@ -472,20 +472,15 @@ protected:
StoreSDNodeBitfields StoreSDNodeBits;
};
// RawSDNodeBits must cover the entirety of the union. This means that all
// of the union's members must have size <= RawSDNodeBits.
static_assert(sizeof(SDNodeBits) <= sizeof(RawSDNodeBits),
"SDNodeBits too wide");
static_assert(sizeof(ConstantSDNodeBits) <= sizeof(RawSDNodeBits),
"ConstantSDNodeBits too wide");
static_assert(sizeof(MemSDNodeBits) <= sizeof(RawSDNodeBits),
"MemSDNodeBits too wide");
static_assert(sizeof(LSBaseSDNodeBits) <= sizeof(RawSDNodeBits),
"LSBaseSDNodeBits too wide");
static_assert(sizeof(LoadSDNodeBits) <= sizeof(RawSDNodeBits),
"LoadSDNodeBits too wide");
static_assert(sizeof(StoreSDNodeBits) <= sizeof(RawSDNodeBits),
"StoreSDNodeBits too wide");
// RawSDNodeBits must cover the entirety of the union. This means that all of
// the union's members must have size <= RawSDNodeBits. We write the RHS as
// "2" instead of sizeof(RawSDNodeBits) because MSVC can't handle the latter.
static_assert(sizeof(SDNodeBitfields) <= 2, "field too wide");
static_assert(sizeof(ConstantSDNodeBitfields) <= 2, "field too wide");
static_assert(sizeof(MemSDNodeBitfields) <= 2, "field too wide");
static_assert(sizeof(LSBaseSDNodeBitfields) <= 2, "field too wide");
static_assert(sizeof(LoadSDNodeBitfields) <= 2, "field too wide");
static_assert(sizeof(StoreSDNodeBitfields) <= 2, "field too wide");
private:
/// Unique id per SDNode in the DAG.