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Allow parsing select instruction and constant expr
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@12313 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -234,6 +234,7 @@ setge { RET_TOK(BinaryOpVal, SetGE, SETGE); }
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phi { RET_TOK(OtherOpVal, PHI, PHI_TOK); }
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call { RET_TOK(OtherOpVal, Call, CALL); }
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cast { RET_TOK(OtherOpVal, Cast, CAST); }
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select { RET_TOK(OtherOpVal, Select, SELECT); }
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shl { RET_TOK(OtherOpVal, Shl, SHL); }
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shr { RET_TOK(OtherOpVal, Shr, SHR); }
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va_arg { return VA_ARG; /* FIXME: OBSOLETE */}
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@ -876,7 +876,7 @@ using namespace llvm;
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// Other Operators
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%type <OtherOpVal> ShiftOps
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%token <OtherOpVal> PHI_TOK CALL CAST SHL SHR VAARG VANEXT
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%token <OtherOpVal> PHI_TOK CALL CAST SELECT SHL SHR VAARG VANEXT
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%token VA_ARG // FIXME: OBSOLETE
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%start Module
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@ -1251,6 +1251,13 @@ ConstExpr: CAST '(' ConstVal TO Types ')' {
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$$ = ConstantExpr::getGetElementPtr($3, IdxVec);
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}
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| SELECT '(' ConstVal ',' ConstVal ',' ConstVal ')' {
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if ($3->getType() != Type::BoolTy)
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ThrowException("Select condition must be of boolean type!");
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if ($5->getType() != $7->getType())
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ThrowException("Select operand types must match!");
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$$ = ConstantExpr::getSelect($3, $5, $7);
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}
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| BinaryOps '(' ConstVal ',' ConstVal ')' {
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if ($3->getType() != $5->getType())
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ThrowException("Binary operator types must match!");
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@ -1802,6 +1809,13 @@ InstVal : ArithmeticOps Types ValueRef ',' ValueRef {
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$$ = new CastInst($2, *$4);
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delete $4;
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}
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| SELECT ResolvedVal ',' ResolvedVal ',' ResolvedVal {
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if ($2->getType() != Type::BoolTy)
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ThrowException("select condition must be boolean!");
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if ($4->getType() != $6->getType())
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ThrowException("select value types should match!");
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$$ = new SelectInst($2, $4, $6);
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}
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| VA_ARG ResolvedVal ',' Types {
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// FIXME: This is emulation code for an obsolete syntax. This should be
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// removed at some point.
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