[PATCH] D53680: Make fminimum/fmaximum SDNodes commutative and associative

[Thomas Lively via Phabricator via llvm-commits]

tlively created this revision.
tlively added reviewers: aheejin, dschuff.
Herald added a subscriber: llvm-commits.

Repository:
  rL LLVM

https://reviews.llvm.org/D53680

Files:
  include/llvm/Target/TargetSelectionDAG.td


Index: include/llvm/Target/TargetSelectionDAG.td
===================================================================
--- include/llvm/Target/TargetSelectionDAG.td
+++ include/llvm/Target/TargetSelectionDAG.td
@@ -413,8 +413,10 @@
                           [SDNPCommutative]>;
 def fmaxnum_ieee  : SDNode<"ISD::FMAXNUM_IEEE", SDTFPBinOp,
                            [SDNPCommutative]>;
-def fminimum   : SDNode<"ISD::FMINIMUM"   , SDTFPBinOp>;
-def fmaximum   : SDNode<"ISD::FMAXIMUM"   , SDTFPBinOp>;
+def fminimum   : SDNode<"ISD::FMINIMUM"   , SDTFPBinOp,
+                        [SDNPCommutative, SDNPAssociative]>;
+def fmaximum   : SDNode<"ISD::FMAXIMUM"   , SDTFPBinOp,
+                        [SDNPCommutative, SDNPAssociative]>;
 def fgetsign   : SDNode<"ISD::FGETSIGN"   , SDTFPToIntOp>;
 def fcanonicalize : SDNode<"ISD::FCANONICALIZE", SDTFPUnaryOp>;
 def fneg       : SDNode<"ISD::FNEG"       , SDTFPUnaryOp>;


-------------- next part --------------
A non-text attachment was scrubbed...
Name: D53680.171018.patch
Type: text/x-patch
Size: 925 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20181024/e40ce578/attachment.bin>