[PATCH] D92824: [SLP] Use the width of value truncated just before storing

Dávid Bolvanský via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Dec 8 02:07:10 PST 2020


xbolva00 added a comment.

Thanks!

@RKSimon?



================
Comment at: llvm/test/Transforms/SLPVectorizer/X86/pr46983.ll:104
 define void @store_i64(i64* nocapture %0, i32 %1, i32 %2) {
 ; AVX-LABEL: @store_i64(
 ; AVX-NEXT:    [[TMP4:%.*]] = zext i32 [[TMP1:%.*]] to i64
----------------
Wondering why no vectorization with avx..


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