[llvm] 412a139 - [Docs] Update PatFrag definition in documentation

[Alex Bradbury via llvm-commits]

Author: Luke Lau
Date: 2022-12-09T09:56:08Z
New Revision: 412a139d1f8d06d0d0fe4fa1c8fc66f51154c3f1

URL: https://github.com/llvm/llvm-project/commit/412a139d1f8d06d0d0fe4fa1c8fc66f51154c3f1
DIFF: https://github.com/llvm/llvm-project/commit/412a139d1f8d06d0d0fe4fa1c8fc66f51154c3f1.diff

LOG: [Docs] Update PatFrag definition in documentation

The old definition for store was outdated.

Differential Revision: https://reviews.llvm.org/D139531

Added: 
    

Modified: 
    llvm/docs/WritingAnLLVMBackend.rst

Removed: 
    


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diff  --git a/llvm/docs/WritingAnLLVMBackend.rst b/llvm/docs/WritingAnLLVMBackend.rst
index 79f1e5b4dea0..ce7f4bddd10d 100644
--- a/llvm/docs/WritingAnLLVMBackend.rst
+++ b/llvm/docs/WritingAnLLVMBackend.rst
@@ -1317,12 +1317,10 @@ below:
 .. code-block:: text
 
   def store : PatFrag<(ops node:$val, node:$ptr),
-                      (st node:$val, node:$ptr), [{
-    if (StoreSDNode *ST = dyn_cast<StoreSDNode>(N))
-      return !ST->isTruncatingStore() &&
-             ST->getAddressingMode() == ISD::UNINDEXED;
-    return false;
-  }]>;
+                      (unindexedstore node:$val, node:$ptr)> {
+    let IsStore = true;
+    let IsTruncStore = false;
+  }
 
 ``XXXInstrInfo.td`` also generates (in ``XXXGenDAGISel.inc``) the
 ``SelectCode`` method that is used to call the appropriate processing method