[llvm-branch-commits] [llvm] [LV] Mask off possibly aliasing vector lanes (PR #100579)
Sam Tebbs via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Fri Aug 15 05:44:16 PDT 2025
================
@@ -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);
+}
+
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SamTebbs33 wrote:
Done.
https://github.com/llvm/llvm-project/pull/100579
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