diff options
Diffstat (limited to 'utils/TableGen/TGParser.cpp')
| -rw-r--r-- | utils/TableGen/TGParser.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/utils/TableGen/TGParser.cpp b/utils/TableGen/TGParser.cpp index 8ff25a6186..fc6f29fd9f 100644 --- a/utils/TableGen/TGParser.cpp +++ b/utils/TableGen/TGParser.cpp @@ -862,6 +862,7 @@ Init *TGParser::ParseOperation(Record *CurRec) { return (new BinOpInit(Code, LHS, RHS, Type))->Fold(CurRec, CurMultiClass); } + case tgtok::XIf: case tgtok::XForEach: case tgtok::XSubst: { // Value ::= !ternop '(' Value ',' Value ',' Value ')' TernOpInit::TernaryOp Code; @@ -872,6 +873,9 @@ Init *TGParser::ParseOperation(Record *CurRec) { Lex.Lex(); // eat the operation switch (LexCode) { default: assert(0 && "Unhandled code!"); + case tgtok::XIf: + Code = TernOpInit::IF; + break; case tgtok::XForEach: Code = TernOpInit::FOREACH; break; @@ -914,6 +918,25 @@ Init *TGParser::ParseOperation(Record *CurRec) { switch (LexCode) { default: assert(0 && "Unhandled code!"); + case tgtok::XIf: { + TypedInit *MHSt = dynamic_cast<TypedInit *>(MHS); + TypedInit *RHSt = dynamic_cast<TypedInit *>(RHS); + if (MHSt == 0 || RHSt == 0) { + TokError("could not get type for !if"); + return 0; + } + if (MHSt->getType()->typeIsConvertibleTo(RHSt->getType())) { + Type = RHSt->getType(); + } + else if (RHSt->getType()->typeIsConvertibleTo(MHSt->getType())) { + Type = MHSt->getType(); + } + else { + TokError("inconsistent types for !if"); + return 0; + } + break; + } case tgtok::XForEach: { TypedInit *MHSt = dynamic_cast<TypedInit *>(MHS); if (MHSt == 0) { @@ -1152,6 +1175,7 @@ Init *TGParser::ParseSimpleValue(Record *CurRec) { case tgtok::XSHL: case tgtok::XStrConcat: case tgtok::XNameConcat: // Value ::= !binop '(' Value ',' Value ')' + case tgtok::XIf: case tgtok::XForEach: case tgtok::XSubst: { // Value ::= !ternop '(' Value ',' Value ',' Value ')' return ParseOperation(CurRec); |