[PATCH] D156458: GVNSink: add test to show GVN-aware sinking

[Dávid Bolvanský via Phabricator via llvm-commits]

xbolva00 added inline comments.


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Comment at: llvm/test/Transforms/GVNSink/gvn-awareness.ll:50
+  %beam.addr = alloca i32, align 4
+  %i = alloca i32, align 4
+  store ptr %a, ptr %a.addr, align 8
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artagnon wrote:
> nikic wrote:
> > Please at least run this through SROA. The test is a weird mix of completely unoptimized IR plus a GVN replacement.
> When I run it through SROA, `gvn-sink` no longer works.
Maybe also add phaseordering test?

If this fails to work after sroa, than this optimization will not work anyway with -O2/-O3


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D156458/new/

https://reviews.llvm.org/D156458