[PATCH] D27466: [SLP] Fix sign-extends for type-shrinking

[Michael Kuperstein via Phabricator via llvm-commits]

mkuper added inline comments.


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Comment at: test/Transforms/SLPVectorizer/X86/minimum-sizes.ll:12
+; CHECK-LABEL: @PR31243
+; CHECK-NOT: sext i8 {{.*}} to i32
+;
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mssimpso wrote:
> mkuper wrote:
> > Can you make the test more explicit by checking the extends we actually want to appear?
> Sure. I'll upload a new version.
Shouldn't we also have a test where we increase the bit-width because we don't know the sign bit?
I'm a bit surprised this didn't affect any of our existing tests.


https://reviews.llvm.org/D27466