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authorDan Gohman <gohman@apple.com>2010-01-04 20:51:05 +0000
committerDan Gohman <gohman@apple.com>2010-01-04 20:51:05 +0000
commit43ffe6769a98bb3c60465fe93cc757a35e26e3c6 (patch)
treeddcf2423a66e4de3bd49511fe7747fdb571f7895
parent344130e8ab2e706f1392aff27bd8d679d979b65b (diff)
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
-rw-r--r--lib/Target/X86/X86InstrInfo.td18
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 4d922a54ec..ce95f068e7 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>;