[llvm] 78313e8 - Attributor: Add isAtFixpoint part of nofpclass handling

[Matt Arsenault via llvm-commits]

Author: Matt Arsenault
Date: 2023-03-17T07:02:47-04:00
New Revision: 78313e8531c412f4b57b23e0ee04ea4a131e8d71

URL: https://github.com/llvm/llvm-project/commit/78313e8531c412f4b57b23e0ee04ea4a131e8d71
DIFF: https://github.com/llvm/llvm-project/commit/78313e8531c412f4b57b23e0ee04ea4a131e8d71.diff

LOG: Attributor: Add isAtFixpoint part of nofpclass handling

Added: 
    

Modified: 
    llvm/lib/Transforms/IPO/AttributorAttributes.cpp

Removed: 
    


################################################################################
diff  --git a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
index e8d74d325e6e..d8a0a3c85628 100644
--- a/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
+++ b/llvm/lib/Transforms/IPO/AttributorAttributes.cpp
@@ -10281,6 +10281,9 @@ struct AANoFPClassFloating : public AANoFPClassImpl {
   /// See AbstractAttribute::initialize(...).
   void initialize(Attributor &A) override {
     AANoFPClassImpl::initialize(A);
+    if (!getState().isAtFixpoint())
+      if (Instruction *CtxI = getCtxI())
+        followUsesInMBEC(*this, A, getState(), *CtxI);
   }
 
   /// See AbstractAttribute::updateImpl(...).