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[ms-inline asm] Add support for using offsetof operator with variables that use

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namespace alias qualifiers.  Test case coming on clang side shortly.
Part of rdar://13499009

llvm-svn: 179339
This commit is contained in:
Chad Rosier 2013-04-11 23:37:34 +00:00
parent 6a0ccf041c
commit 2aa88ce036
1 changed files with 6 additions and 3 deletions
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9
lib/Target/X86/AsmParser/X86AsmParser.cpp
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@ -1411,9 +1411,14 @@ X86Operand *X86AsmParser::ParseIntelOffsetOfOperator() {
const MCExpr *Val;
SMLoc Start = Tok.getLoc(), End;
StringRef Identifier = Tok.getString();
if (getParser().parsePrimaryExpr(Val, End))
return ErrorOperand(Start, "Unable to parse expression!");
const MCExpr *Disp = 0;
if (X86Operand *Err = ParseIntelVarWithQualifier(Disp, Identifier))
return Err;
// Don't emit the offset operator.
InstInfo->AsmRewrites->push_back(AsmRewrite(AOK_Skip, OffsetOfLoc, 7));
@ -1421,10 +1426,8 @@ X86Operand *X86AsmParser::ParseIntelOffsetOfOperator() {
// register operand to ensure proper matching. Just pick a GPR based on
// the size of a pointer.
unsigned RegNo = is64BitMode() ? X86::RBX : X86::EBX;
unsigned Len = End.getPointer() - Start.getPointer();
StringRef SymName(Start.getPointer(), Len);
return X86Operand::CreateReg(RegNo, Start, End, /*GetAddress=*/true,
OffsetOfLoc, SymName);
OffsetOfLoc, Identifier);
}
enum IntelOperatorKind {