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[mips] [IAS] Fix LA with relative label operands.

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Summary:
Call MCSymbolRefExpr::create() with a MCSymbol* argument, not with a StringRef
of the Symbol's name, in order to avoid creating invalid temporary symbols for
relative labels (e.g. {$,.L}tmp00, {$,.L}tmp10 etc.).

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D10498

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239901 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Toma Tabacu
2015-06-17 12:30:37 +00:00
parent d3b8136e1d
commit 87f93f5387
2 changed files with 14 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

21
lib/Target/Mips/AsmParser/MipsAsmParser.cpp
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@@ -1963,12 +1963,11 @@ bool MipsAsmParser::loadSymbolAddress(const MCExpr *SymExpr, unsigned DstReg,
MCInst tmpInst;
const MCSymbolRefExpr *Symbol = cast<MCSymbolRefExpr>(SymExpr);
const MCSymbolRefExpr *HiExpr =
MCSymbolRefExpr::create(Symbol->getSymbol().getName(),
MCSymbolRefExpr::VK_Mips_ABS_HI, getContext());
const MCSymbolRefExpr *LoExpr =
MCSymbolRefExpr::create(Symbol->getSymbol().getName(),
MCSymbolRefExpr::VK_Mips_ABS_LO, getContext());
const MCSymbolRefExpr *HiExpr = MCSymbolRefExpr::create(
&Symbol->getSymbol(), MCSymbolRefExpr::VK_Mips_ABS_HI, getContext());
const MCSymbolRefExpr *LoExpr = MCSymbolRefExpr::create(
&Symbol->getSymbol(), MCSymbolRefExpr::VK_Mips_ABS_LO, getContext());
if (!Is32BitSym) {
// If it's a 64-bit architecture, expand to:
// la d,sym => lui d,highest(sym)
@@ -1977,12 +1976,10 @@ bool MipsAsmParser::loadSymbolAddress(const MCExpr *SymExpr, unsigned DstReg,
// ori d,d,hi16(sym)
// dsll d,d,16
// ori d,d,lo16(sym)
const MCSymbolRefExpr *HighestExpr =
MCSymbolRefExpr::create(Symbol->getSymbol().getName(),
MCSymbolRefExpr::VK_Mips_HIGHEST, getContext());
const MCSymbolRefExpr *HigherExpr =
MCSymbolRefExpr::create(Symbol->getSymbol().getName(),
MCSymbolRefExpr::VK_Mips_HIGHER, getContext());
const MCSymbolRefExpr *HighestExpr = MCSymbolRefExpr::create(
&Symbol->getSymbol(), MCSymbolRefExpr::VK_Mips_HIGHEST, getContext());
const MCSymbolRefExpr *HigherExpr = MCSymbolRefExpr::create(
&Symbol->getSymbol(), MCSymbolRefExpr::VK_Mips_HIGHER, getContext());
tmpInst.setOpcode(Mips::LUi);
tmpInst.addOperand(MCOperand::createReg(DstReg));