[PATCH] D103323: [DAGCombiner] Add support for mulhi const folding in DAGCombiner

[David Stuttard via Phabricator via llvm-commits]

dstuttard marked 2 inline comments as done.
dstuttard added inline comments.


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Comment at: llvm/test/CodeGen/AMDGPU/udiv.ll:206
+; GCN-LABEL: v_test_udiv64_mulhi_fold
+; GFX1030: s_add_u32 s{{[0-9]+}}, 0x4237, s{{[0-9]+}}
+  %d = udiv i64 %arg, 100000
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RKSimon wrote:
> Possibly pre-commit this to show current codegen? Do we need a GFX1030-NOT v_mul_hi_u32 check of some kind?
Good idea. See latest change.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103323/new/

https://reviews.llvm.org/D103323