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MC: Simplify (remove unnecessary MCAssembler argument, obsoleted by containment

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in MCAsmLayout).

llvm-svn: 122011
This commit is contained in:
Daniel Dunbar 2010-12-17 01:07:28 +00:00
parent 8b0153bed2
commit 17e37880d3
1 changed files with 8 additions and 12 deletions
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20
lib/MC/MCExpr.cpp
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@ -304,8 +304,7 @@ bool MCExpr::EvaluateAsAbsolute(int64_t &Res, const MCAssembler *Asm,
///
/// \returns True on success, false if the result is not representable in an
/// MCValue.
static bool EvaluateSymbolicAdd(const MCAssembler *Asm,
const MCAsmLayout *Layout,
static bool EvaluateSymbolicAdd(const MCAsmLayout *Layout,
const SectionAddrMap *Addrs,
bool InSet,
const MCValue &LHS,const MCSymbolRefExpr *RHS_A,
@ -337,17 +336,14 @@ static bool EvaluateSymbolicAdd(const MCAssembler *Asm,
// Absolutize symbol differences between defined symbols when we have a
// layout object and the target requests it.
assert((!Layout || Asm) &&
"Must have an assembler object if layout is given!");
if (Asm && A && B) {
if (Layout && A && B) {
const MCAssembler &Asm = Layout->getAssembler();
const MCSymbol &SA = A->getSymbol();
const MCSymbol &SB = B->getSymbol();
const MCObjectFormat &F = Asm->getBackend().getObjectFormat();
const MCObjectFormat &F = Asm.getBackend().getObjectFormat();
if (SA.isDefined() && SB.isDefined() && F.isAbsolute(InSet, SA, SB)) {
MCSymbolData &AD = Asm->getSymbolData(A->getSymbol());
MCSymbolData &BD = Asm->getSymbolData(B->getSymbol());
MCSymbolData &AD = Asm.getSymbolData(A->getSymbol());
MCSymbolData &BD = Asm.getSymbolData(B->getSymbol());
if (AD.getFragment() == BD.getFragment()) {
Res = MCValue::get(+ AD.getOffset()
@ -474,13 +470,13 @@ bool MCExpr::EvaluateAsRelocatableImpl(MCValue &Res,
return false;
case MCBinaryExpr::Sub:
// Negate RHS and add.
return EvaluateSymbolicAdd(Asm, Layout, Addrs, InSet, LHSValue,
return EvaluateSymbolicAdd(Layout, Addrs, InSet, LHSValue,
RHSValue.getSymB(), RHSValue.getSymA(),
-RHSValue.getConstant(),
Res);
case MCBinaryExpr::Add:
return EvaluateSymbolicAdd(Asm, Layout, Addrs, InSet, LHSValue,
return EvaluateSymbolicAdd(Layout, Addrs, InSet, LHSValue,
RHSValue.getSymA(), RHSValue.getSymB(),
RHSValue.getConstant(),
Res);