[PATCH] D58070: [DAG] Remember nodes added to the worklist for pruning.

Nirav Dave via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Thu Feb 28 08:38:36 PST 2019


niravd marked an inline comment as done.
niravd added inline comments.


================
Comment at: llvm/test/CodeGen/PowerPC/pr39478.ll:10
 ; CHECK:       # %bb.0: # %entry
-; CHECK-NEXT:    lwz 3, 0(3)
-; CHECK-NEXT:    stb 3, 0(3)
 ; CHECK-NEXT:    blr
 entry:
----------------
RKSimon wrote:
> This looks like an over-reduced test?
With the improved pruning, we are able to narrow the load to 1 byte which as both the load and store are to undef cancel out the both ops. 


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D58070/new/

https://reviews.llvm.org/D58070





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