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Make clever use of alignment and padding to shrink GlobalValue.
-8 bytes on x86_64, no change on x86. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147742 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -59,19 +59,18 @@ public:
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protected:
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GlobalValue(Type *ty, ValueTy vty, Use *Ops, unsigned NumOps,
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LinkageTypes linkage, const Twine &Name)
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: Constant(ty, vty, Ops, NumOps), Parent(0),
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Linkage(linkage), Visibility(DefaultVisibility), Alignment(0),
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UnnamedAddr(0) {
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: Constant(ty, vty, Ops, NumOps), Linkage(linkage),
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Visibility(DefaultVisibility), Alignment(0), UnnamedAddr(0), Parent(0) {
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setName(Name);
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}
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Module *Parent;
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// Note: VC++ treats enums as signed, so an extra bit is required to prevent
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// Linkage and Visibility from turning into negative values.
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LinkageTypes Linkage : 5; // The linkage of this global
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unsigned Visibility : 2; // The visibility style of this global
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unsigned Alignment : 16; // Alignment of this symbol, must be power of two
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unsigned UnnamedAddr : 1; // This value's address is not significant
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Module *Parent; // The containing module.
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std::string Section; // Section to emit this into, empty mean default
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public:
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~GlobalValue() {
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