[PATCH] D20591: [InstCombine] Catch more bswap cases missed due to zext and truncs.

[Geoff Berry via llvm-commits]

gberry added inline comments.

================
Comment at: test/Transforms/InstCombine/bswap.ll:106
@@ +105,3 @@
+  %conv = zext i16 %a to i32
+  %shr = lshr i16 %a, 8
+  %shl = shl i32 %conv, 8
----------------
Shouldn't this be an i32 lshr of %conv and the second zext below deleted if you want the IR to look like it would for a target without i16 as a legal type?


http://reviews.llvm.org/D20591