Improve handling of EnforceSmallerThan. Remove all types that are smaller from the larger set not just the smallest type from the smaller set. Ensure 'smaller' vectors have the same or fewer total bits. Similar for 'larger' vectors.

llvm-svn: 200287

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/utils/TableGen/CodeGenDAGPatterns.h b/llvm/utils/TableGen/CodeGenDAGPatterns.h
index 6fbdd4f..0533bb8b 100644
--- a/llvm/utils/TableGen/CodeGenDAGPatterns.h
+++ b/llvm/utils/TableGen/CodeGenDAGPatterns.h
@@ -96,6 +96,10 @@ namespace EEVT {
     /// a floating point value type.
     bool hasFloatingPointTypes() const;
 
+    /// hasScalarTypes - Return true if this TypeSet contains a scalar value
+    /// type.
+    bool hasScalarTypes() const;
+
     /// hasVectorTypes - Return true if this TypeSet contains a vector value
     /// type.
     bool hasVectorTypes() const;