[PATCH] D88316: [InstCombine] recognizeBSwapOrBitReverseIdiom - recognise zext(bswap(trunc(x))) patterns (PR39793)

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 28 10:12:49 PDT 2020


RKSimon added inline comments.


================
Comment at: llvm/test/Transforms/InstCombine/bswap.ll:297
+; CHECK-NEXT:    [[TMP2:%.*]] = trunc i16 [[REV]] to i8
+; CHECK-NEXT:    ret i8 [[TMP2]]
 ;
----------------
RKSimon wrote:
> This looks like a minor separate issue
D88429


Repository:
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https://reviews.llvm.org/D88316



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