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Add SDNPCommutative and SDNPAssociative to several X86 target nodes.

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This lets isel fold loads into them in more cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92506 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2010-01-04 20:51:05 +00:00
parent 344130e8ab
commit 43ffe6769a
1 changed files with 12 additions and 6 deletions
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18
lib/Target/X86/X86InstrInfo.td
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@ -160,15 +160,21 @@ def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET,
def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET, def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
[SDNPHasChain, SDNPOptInFlag]>; [SDNPHasChain, SDNPOptInFlag]>;
def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags>; def X86add_flag : SDNode<"X86ISD::ADD", SDTBinaryArithWithFlags,
[SDNPCommutative, SDNPAssociative]>;
def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>; def X86sub_flag : SDNode<"X86ISD::SUB", SDTBinaryArithWithFlags>;
def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>; def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags,
def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>; [SDNPCommutative, SDNPAssociative]>;
def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags,
[SDNPCommutative, SDNPAssociative]>;
def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>; def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>;
def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>; def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>;
def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags>; def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags,
def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags>; [SDNPCommutative, SDNPAssociative]>;
def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags>; def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags,
[SDNPCommutative, SDNPAssociative]>;
def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags,
[SDNPCommutative, SDNPAssociative]>;
def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>; def X86mul_imm : SDNode<"X86ISD::MUL_IMM", SDTIntBinOp>;