[PATCH] D76312: [DAGCombiner] Do not fold truncate(build_vector(..)) if it creates an illegal type

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon accepted this revision.
RKSimon added a comment.
This revision is now accepted and ready to land.

LGTM



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Comment at: llvm/test/CodeGen/AArch64/dag-combine-trunc-build-vec.ll:25
+; makes the combine to happen before type legalization and the issue no longer
+; repros.
+  %1 = insertelement <16 x i32> undef, i32 %p, i32 0
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Maybe move this comment above the define like you did below?


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  https://reviews.llvm.org/D76312/new/

https://reviews.llvm.org/D76312