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implement undef
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31049 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -143,6 +143,14 @@ def ADJCALLSTACKDOWN : InstARM<(ops i32imm:$amt),
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"!ADJCALLSTACKDOWN $amt",
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[(callseq_start imm:$amt)]>, Imp<[R13],[R13]>;
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def IMPLICIT_DEF_Int : InstARM<(ops IntRegs:$dst),
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"@IMPLICIT_DEF $dst",
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[(set IntRegs:$dst, (undef))]>;
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def IMPLICIT_DEF_FP : InstARM<(ops FPRegs:$dst), "@IMPLICIT_DEF $dst",
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[(set FPRegs:$dst, (undef))]>;
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def IMPLICIT_DEF_DFP : InstARM<(ops DFPRegs:$dst), "@IMPLICIT_DEF $dst",
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[(set DFPRegs:$dst, (undef))]>;
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let isReturn = 1 in {
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def bx: InstARM<(ops), "bx r14", [(retflag)]>;
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}
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