ARM Asm parser range checking for [0,31] immediates.
llvm-svn: 135719
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3354674b48
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@ -497,6 +497,7 @@ def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
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}
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/// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
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def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
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def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
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return Imm >= 0 && Imm < 32;
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}]>;
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@ -418,6 +418,14 @@ public:
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int64_t Value = CE->getValue();
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return Value >= 0 && Value < 16;
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}
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bool isImm0_31() const {
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if (Kind != Immediate)
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return false;
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const MCConstantExpr *CE = dyn_cast<MCConstantExpr>(getImm());
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if (!CE) return false;
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int64_t Value = CE->getValue();
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return Value >= 0 && Value < 32;
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}
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bool isImm0_65535() const {
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if (Kind != Immediate)
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return false;
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@ -672,6 +680,11 @@ public:
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addExpr(Inst, getImm());
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}
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void addImm0_31Operands(MCInst &Inst, unsigned N) const {
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assert(N == 1 && "Invalid number of operands!");
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addExpr(Inst, getImm());
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}
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void addImm0_65535Operands(MCInst &Inst, unsigned N) const {
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assert(N == 1 && "Invalid number of operands!");
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addExpr(Inst, getImm());
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