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Simplify the visitation of target expressions. No functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211707 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola
2014-06-25 15:29:54 +00:00
parent b4840d7a4d
commit d4feaf82bc
15 changed files with 42 additions and 170 deletions
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34
lib/Target/Sparc/MCTargetDesc/SparcMCExpr.cpp
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@@ -16,6 +16,7 @@
#include "llvm/MC/MCAssembler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCELF.h"
#include "llvm/MC/MCObjectStreamer.h"
#include "llvm/MC/MCSymbol.h"
#include "llvm/Object/ELF.h"
@@ -219,35 +220,6 @@ void SparcMCExpr::fixELFSymbolsInTLSFixups(MCAssembler &Asm) const {
fixELFSymbolsInTLSFixupsImpl(getSubExpr(), Asm);
}
// FIXME: This basically copies MCObjectStreamer::AddValueSymbols. Perhaps
// that method should be made public?
// FIXME: really do above: now that at least three other backends are using it.
static void AddValueSymbolsImpl(const MCExpr *Value, MCAssembler *Asm) {
switch (Value->getKind()) {
case MCExpr::Target:
llvm_unreachable("Can't handle nested target expr!");
break;
case MCExpr::Constant:
break;
case MCExpr::Binary: {
const MCBinaryExpr *BE = cast<MCBinaryExpr>(Value);
AddValueSymbolsImpl(BE->getLHS(), Asm);
AddValueSymbolsImpl(BE->getRHS(), Asm);
break;
}
case MCExpr::SymbolRef:
Asm->getOrCreateSymbolData(cast<MCSymbolRefExpr>(Value)->getSymbol());
break;
case MCExpr::Unary:
AddValueSymbolsImpl(cast<MCUnaryExpr>(Value)->getSubExpr(), Asm);
break;
}
}
void SparcMCExpr::AddValueSymbols(MCAssembler *Asm) const {
AddValueSymbolsImpl(getSubExpr(), Asm);
void SparcMCExpr::visitUsedExpr(MCObjectStreamer &Streamer) const {
Streamer.visitUsedExpr(*getSubExpr());
}