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[MC] Reorder MCSymbol members to reduce padding. 

sizeof(MCSymbol) goes from 72 to 64 bytes on x86_64.

llvm-svn: 238655
This commit is contained in:
Benjamin Kramer 2015-05-30 13:52:30 +00:00
parent f19ef9f741
commit 977d598d78
1 changed files with 5 additions and 5 deletions
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10
llvm/include/llvm/MC/MCSymbol.h
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@ -72,11 +72,6 @@ class MCSymbol {
/// symbol has no size this field will be NULL.
const MCExpr *SymbolSize = nullptr;
/// The alignment of the symbol, if it is 'common', or -1.
//
// FIXME: Pack this in with other fields?
unsigned CommonAlign = -1U;
union {
/// The offset to apply to the fragment address to form this symbol's value.
uint64_t Offset;
@ -85,6 +80,11 @@ class MCSymbol {
uint64_t CommonSize;
};
/// The alignment of the symbol, if it is 'common', or -1.
//
// FIXME: Pack this in with other fields?
unsigned CommonAlign = -1U;
/// The Flags field is used by object file implementations to store
/// additional per symbol information which is not easily classified.
mutable uint32_t Flags = 0;