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[mips] [IAS] Fix using .cpsetup with local labels (PR22518).

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Summary:
Parse for an MCExpr instead of an Identifier and use the symbol for relocations, not just the symbol's name.

This fixes errors when using local labels in .cpsetup (PR22518).

Reviewers: dsanders

Reviewed By: dsanders

Subscribers: seanbruno, emaste, llvm-commits

Differential Revision: http://reviews.llvm.org/D7697

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229671 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Toma Tabacu
2015-02-18 13:46:53 +00:00
parent a5cc501201
commit 227affe405
4 changed files with 59 additions and 9 deletions
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18
lib/Target/Mips/AsmParser/MipsAsmParser.cpp
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@@ -3781,12 +3781,20 @@ bool MipsAsmParser::parseDirectiveCPSetup() {
if (!eatComma("unexpected token, expected comma"))
return true;
StringRef Name;
if (Parser.parseIdentifier(Name))
reportParseError("expected identifier");
MCSymbol *Sym = getContext().GetOrCreateSymbol(Name);
const MCExpr *Expr;
if (Parser.parseExpression(Expr)) {
reportParseError("expected expression");
return false;
}
getTargetStreamer().emitDirectiveCpsetup(FuncReg, Save, *Sym, SaveIsReg);
if (Expr->getKind() != MCExpr::SymbolRef) {
reportParseError("expected symbol");
return false;
}
const MCSymbolRefExpr *Ref = static_cast<const MCSymbolRefExpr *>(Expr);
getTargetStreamer().emitDirectiveCpsetup(FuncReg, Save, Ref->getSymbol(),
SaveIsReg);
return false;
}