[PATCH] D35700: DAGCombiner: Extend reduceBuildVecToTrunc to handle non-zero offset

[Zvi Rackover via Phabricator via llvm-commits]

zvi added inline comments.


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Comment at: test/CodeGen/X86/shuffle-strided-with-offset-256.ll:39
+; AVX512F-NEXT:    vpmovsxwd %ymm0, %zmm0
+; AVX512F-NEXT:    vpmovdb %zmm0, %xmm0
 ; AVX512F-NEXT:    vmovdqa %xmm0, (%rsi)
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zvi wrote:
> guyblank wrote:
> > should this be 
> > 
> > ```
> > vpmovdb %zmm0, (%rsi)
> > ```
> > 
> > same for AVX512VL
> Look like a follow-up work needed here.
Ah you were referring to the regalloc issue that's been reported in pr32719


https://reviews.llvm.org/D35700