[PATCH] D57253: [WarnMissedTransforms] Set default to 1.

[Alina Sbirlea via Phabricator via llvm-commits]

asbirlea created this revision.
asbirlea added a reviewer: sanjoy.
Herald added a subscriber: jlebar.

Set default value for retrieved attributes to 1, since the check is against 1.
Eliminates the warning noise generated when the attributes are not present.


Repository:
  rL LLVM

https://reviews.llvm.org/D57253

Files:
  lib/Transforms/Scalar/WarnMissedTransforms.cpp


Index: lib/Transforms/Scalar/WarnMissedTransforms.cpp
===================================================================
--- lib/Transforms/Scalar/WarnMissedTransforms.cpp
+++ lib/Transforms/Scalar/WarnMissedTransforms.cpp
@@ -51,7 +51,7 @@
     Optional<int> InterleaveCount =
         getOptionalIntLoopAttribute(L, "llvm.loop.interleave.count");
 
-    if (VectorizeWidth.getValueOr(0) != 1)
+    if (VectorizeWidth.getValueOr(1) != 1)
       ORE->emit(
           DiagnosticInfoOptimizationFailure(DEBUG_TYPE,
                                             "FailedRequestedVectorization",
@@ -59,7 +59,7 @@
           << "loop not vectorized: the optimizer was unable to perform the "
              "requested transformation; the transformation might be disabled "
              "or specified as part of an unsupported transformation ordering");
-    else if (InterleaveCount.getValueOr(0) != 1)
+    else if (InterleaveCount.getValueOr(1) != 1)
       ORE->emit(
           DiagnosticInfoOptimizationFailure(DEBUG_TYPE,
                                             "FailedRequestedInterleaving",


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