[PATCH] D139682: [DAG] Stop replace masked compressstore with normal masked store

[Phoebe Wang via Phabricator via llvm-commits]

pengfei added inline comments.


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Comment at: llvm/test/CodeGen/X86/masked_compressstore_isel.ll:15-16
 ; CHECK-NEXT:    %3:vk16wm = VPMOVW2MZ128rr killed %2
-; CHECK-NEXT:    VPMOVDWZ256mrk $noreg, 1, $noreg, 0, $noreg, killed %3, %0 :: (store unknown-size into `i16* null`, align 16)
+; CHECK-NEXT:    %4:vr128x = VPMOVDWZ256rr %0
+; CHECK-NEXT:    VPCOMPRESSWZ128mrk $noreg, 1, $noreg, 0, $noreg, killed %3, killed %4 :: (store unknown-size into `i16* null`, align 16)
 ; CHECK-NEXT:    RET 0
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Can we optimizate it to truncated `compressstore`?


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  https://reviews.llvm.org/D139682/new/

https://reviews.llvm.org/D139682