[PATCH] D127115: [RFC][DAGCombine] Make sure combined nodes are added back to the worklist in topological order.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


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Comment at: llvm/test/CodeGen/X86/vec_saddo.ll:676
+; SSE2-NEXT:    pslld $31, %xmm2
+; SSE2-NEXT:    psrad $31, %xmm2
 ; SSE2-NEXT:    punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
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RKSimon wrote:
> I've got a fix for these vec overflow regressions - will commit shortly.
Should be fixed by rG64eea34420e3ee1f6f91a57a72b2edf6f65d6ea7


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https://reviews.llvm.org/D127115