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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 | 71671131c33f9bd224e0709eaaddfd145f4e1c78 (patch) | |
| tree | 42803096531420d58e004e1b8a46829f55146295 /llvm/lib/Target | |
| parent | 530a075f1733e415f0d47ad43d50f2f4dfb4491d (diff) | |
| download | bcm5719-llvm-71671131c33f9bd224e0709eaaddfd145f4e1c78.tar.gz bcm5719-llvm-71671131c33f9bd224e0709eaaddfd145f4e1c78.zip | |
Add SDNPCommutative and SDNPAssociative to several X86 target nodes.
This lets isel fold loads into them in more cases.
llvm-svn: 92506
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.td | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td index 4d922a54ec2..ce95f068e7e 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.td +++ b/llvm/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>; |
