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| author | Dan Gohman <gohman@apple.com> | 2010-01-04 20:51:05 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2010-01-04 20:51:05 +0000 |
| commit | e8a1a48d3a80d0c4473bf39d862e62128d0e8b13 (patch) | |
| tree | ddcf2423a66e4de3bd49511fe7747fdb571f7895 /lib | |
| parent | 98e77307cc1ea2ef5f0469ea81059eb9170d463b (diff) | |
| download | external_llvm-e8a1a48d3a80d0c4473bf39d862e62128d0e8b13.zip external_llvm-e8a1a48d3a80d0c4473bf39d862e62128d0e8b13.tar.gz external_llvm-e8a1a48d3a80d0c4473bf39d862e62128d0e8b13.tar.bz2 | |
Add SDNPCommutative and SDNPAssociative to several X86 target nodes.
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
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.td | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td index 4d922a5..ce95f06 100644 --- a/lib/Target/X86/X86InstrInfo.td +++ b/lib/Target/X86/X86InstrInfo.td @@ -160,15 +160,21 @@ def X86ehret : SDNode<"X86ISD::EH_RETURN", SDT_X86EHRET, def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET, [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 X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>; -def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>; +def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags, + [SDNPCommutative, SDNPAssociative]>; +def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags, + [SDNPCommutative, SDNPAssociative]>; def X86inc_flag : SDNode<"X86ISD::INC", SDTUnaryArithWithFlags>; def X86dec_flag : SDNode<"X86ISD::DEC", SDTUnaryArithWithFlags>; -def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags>; -def X86xor_flag : SDNode<"X86ISD::XOR", SDTBinaryArithWithFlags>; -def X86and_flag : SDNode<"X86ISD::AND", SDTBinaryArithWithFlags>; +def X86or_flag : SDNode<"X86ISD::OR", SDTBinaryArithWithFlags, + [SDNPCommutative, SDNPAssociative]>; +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>; |