[llvm-branch-commits] [llvm] [LV] Mask off possibly aliasing vector lanes (PR #100579)

[Sam Tebbs via llvm-branch-commits]

================
@@ -2063,6 +2080,12 @@ static bool 
useActiveLaneMaskForControlFlow(TailFoldingStyle Style) {
          Style == TailFoldingStyle::DataAndControlFlowWithoutRuntimeCheck;
 }
 
+static bool useSafeEltsMask(TailFoldingStyle TFStyle, RTCheckStyle Style,
+                            ElementCount VF, const TargetTransformInfo &TTI) {
+  return useActiveLaneMask(TFStyle) && Style == RTCheckStyle::UseSafeEltsMask 
&&
+         TTI.useSafeEltsMask(VF);
+}
+
----------------
SamTebbs33 wrote:

Done.

https://github.com/llvm/llvm-project/pull/100579
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