Fix copyslice v2

EnzymeAD · Dec 29, 2024 · b06ff16 · b06ff16
1 parent bdda0ce
commit b06ff16
Showing 1 changed file with 1 addition and 24 deletions.
diff --git a/enzyme/Enzyme/ActivityAnalysis.cpp b/enzyme/Enzyme/ActivityAnalysis.cpp
@@ -668,7 +668,7 @@ static inline void propagateArgumentInformation(
   // Only the 0-th arg impacts activity
   if (Name == "jl_genericmemory_copy_slice" ||
       Name == "ijl_genericmemory_copy_slice") {
-    propagateFromOperand(CI.getArgOperand(1));
+    propagateFromOperand(CI.getArgOperand(0));
     return;
   }
 
@@ -1613,29 +1613,6 @@ bool ActivityAnalyzer::isConstantValue(TypeResults const &TR, Value *Val) {
           return true;
         }
 
-        if (funcName == "jl_genericmemory_copy_slice" ||
-            funcName == "ijl_genericmemory_copy_slice") {
-          if (directions == UP) {
-            if (isConstantValue(TR, op->getArgOperand(0))) {
-              InsertConstantValue(TR, Val);
-              return true;
-            }
-          } else {
-            if (UpHypothesis->isConstantValue(TR, op->getArgOperand(0))) {
-              InsertConstantValue(TR, Val);
-              insertConstantsFrom(TR, *UpHypothesis);
-              return true;
-            }
-          }
-          if (EnzymeEnableRecursiveHypotheses) {
-            ReEvaluateValueIfInactiveValue[op->getArgOperand(0)].insert(Val);
-            if (TmpOrig != Val) {
-              ReEvaluateValueIfInactiveValue[op->getArgOperand(0)].insert(
-                  TmpOrig);
-            }
-          }
-        }
-
         // If requesting empty unknown functions to be considered inactive,
         // abide by those rules
         if (called && EnzymeEmptyFnInactive && called->empty() &&