vendor/llvm-project/llvmorg-12.0.0-0-gd28af7c654d8

1 files changed, 4 insertions, 1 deletions

diff --git a/llvm/lib/Analysis/IVDescriptors.cpp b/llvm/lib/Analysis/IVDescriptors.cpp
index 7f311d8f9a2b..94a24ccf2155 100644
--- a/llvm/lib/Analysis/IVDescriptors.cpp
+++ b/llvm/lib/Analysis/IVDescriptors.cpp
@@ -243,11 +243,14 @@ bool RecurrenceDescriptor::AddReductionVar(PHINode *Phi, RecurKind Kind,
   if (RecurrenceType->isFloatingPointTy()) {
     if (!isFloatingPointRecurrenceKind(Kind))
       return false;
-  } else {
+  } else if (RecurrenceType->isIntegerTy()) {
     if (!isIntegerRecurrenceKind(Kind))
       return false;
     if (isArithmeticRecurrenceKind(Kind))
       Start = lookThroughAnd(Phi, RecurrenceType, VisitedInsts, CastInsts);
+  } else {
+    // Pointer min/max may exist, but it is not supported as a reduction op.
+    return false;
   }
 
   Worklist.push_back(Start);