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Use const references. 

llvm-svn: 121426
This commit is contained in:
Rafael Espindola 2010-12-09 23:08:35 +00:00
parent 2eeba63215
commit d66e65df03
1 changed files with 11 additions and 10 deletions
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21
llvm/lib/MC/MCDwarf.cpp
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@ -101,20 +101,21 @@ void MCLineEntry::Make(MCStreamer *MCOS, const MCSection *Section) {
// //
// This helper routine returns an expression of End - Start + IntVal . // This helper routine returns an expression of End - Start + IntVal .
// //
static inline const MCExpr *MakeStartMinusEndExpr(MCStreamer *MCOS, static inline const MCExpr *MakeStartMinusEndExpr(const MCStreamer &MCOS,
MCSymbol *Start, const MCSymbol &Start,
MCSymbol *End, int IntVal) { const MCSymbol &End,
int IntVal) {
MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None; MCSymbolRefExpr::VariantKind Variant = MCSymbolRefExpr::VK_None;
const MCExpr *Res = const MCExpr *Res =
MCSymbolRefExpr::Create(End, Variant, MCOS->getContext()); MCSymbolRefExpr::Create(&End, Variant, MCOS.getContext());
const MCExpr *RHS = const MCExpr *RHS =
MCSymbolRefExpr::Create(Start, Variant, MCOS->getContext()); MCSymbolRefExpr::Create(&Start, Variant, MCOS.getContext());
const MCExpr *Res1 = const MCExpr *Res1 =
MCBinaryExpr::Create(MCBinaryExpr::Sub, Res, RHS, MCOS->getContext()); MCBinaryExpr::Create(MCBinaryExpr::Sub, Res, RHS, MCOS.getContext());
const MCExpr *Res2 = const MCExpr *Res2 =
MCConstantExpr::Create(IntVal, MCOS->getContext()); MCConstantExpr::Create(IntVal, MCOS.getContext());
const MCExpr *Res3 = const MCExpr *Res3 =
MCBinaryExpr::Create(MCBinaryExpr::Sub, Res1, Res2, MCOS->getContext()); MCBinaryExpr::Create(MCBinaryExpr::Sub, Res1, Res2, MCOS.getContext());
return Res3; return Res3;
} }
@ -213,7 +214,7 @@ void MCDwarfFileTable::Emit(MCStreamer *MCOS,
// The first 4 bytes is the total length of the information for this // The first 4 bytes is the total length of the information for this
// compilation unit (not including these 4 bytes for the length). // compilation unit (not including these 4 bytes for the length).
MCOS->EmitAbsValue(MakeStartMinusEndExpr(MCOS, LineStartSym, LineEndSym,4), MCOS->EmitAbsValue(MakeStartMinusEndExpr(*MCOS, *LineStartSym, *LineEndSym,4),
4); 4);
// Next 2 bytes is the Version, which is Dwarf 2. // Next 2 bytes is the Version, which is Dwarf 2.
@ -226,7 +227,7 @@ void MCDwarfFileTable::Emit(MCStreamer *MCOS,
// section to the end of the prologue. Not including the 4 bytes for the // section to the end of the prologue. Not including the 4 bytes for the
// total length, the 2 bytes for the version, and these 4 bytes for the // total length, the 2 bytes for the version, and these 4 bytes for the
// length of the prologue. // length of the prologue.
MCOS->EmitAbsValue(MakeStartMinusEndExpr(MCOS, LineStartSym, ProEndSym, MCOS->EmitAbsValue(MakeStartMinusEndExpr(*MCOS, *LineStartSym, *ProEndSym,
(4 + 2 + 4)), (4 + 2 + 4)),
4, 0); 4, 0);