[llvm] r352238 - [WarnMissedTransforms] Set default to 1.

[Alina Sbirlea via llvm-commits]

Author: asbirlea
Date: Fri Jan 25 12:51:55 2019
New Revision: 352238

URL: http://llvm.org/viewvc/llvm-project?rev=352238&view=rev
Log:
[WarnMissedTransforms] Set default to 1.

Summary:
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.

Reviewers: sanjoy

Subscribers: jlebar, llvm-commits

Differential Revision: https://reviews.llvm.org/D57253

Modified:
    llvm/trunk/lib/Transforms/Scalar/WarnMissedTransforms.cpp

Modified: llvm/trunk/lib/Transforms/Scalar/WarnMissedTransforms.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/WarnMissedTransforms.cpp?rev=352238&r1=352237&r2=352238&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Scalar/WarnMissedTransforms.cpp (original)
+++ llvm/trunk/lib/Transforms/Scalar/WarnMissedTransforms.cpp Fri Jan 25 12:51:55 2019
@@ -51,7 +51,7 @@ static void warnAboutLeftoverTransformat
     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 @@ static void warnAboutLeftoverTransformat
           << "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",