[PATCH] D109201: [AMDGPU] Process any power of 2 in optimizeCompareInstr

[Matt Arsenault via Phabricator via llvm-commits]

arsenm accepted this revision.
arsenm added inline comments.
This revision is now accepted and ready to land.


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Comment at: llvm/lib/Target/AMDGPU/SIInstrInfo.cpp:8028
+    // s_cmp_eq_u32 (s_and_b32 $src, 2^n), 2^n => s_and_b32 $src, 2^n
+    // s_cmp_eq_i32 (s_and_b32 $src, 2^n), 2^n => s_and_b32 $src, 2^n
+    // s_cmp_ge_u32 (s_and_b32 $src, 2^n), 2^n => s_and_b32 $src, 2^n
----------------
1 << n instead of 2^n?


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109201/new/

https://reviews.llvm.org/D109201