[clang] [llvm] Match bitsin(typeof(x)) - popcnt(x) to s_bcnt0_i32 on AMDGPU (PR #164847)

[Patrick Simmons via cfe-commits]

================
@@ -1884,6 +1886,13 @@ def : GCNPat <
      (S_MOV_B32 (i32 0)), sub1))
 >;
 
+def : GCNPat <
+   (i64 (UniformBinFrag<sub> 64, (UniformUnaryFrag<ctpop> i64:$src))),
----------------
linuxrocks123 wrote:

Done

https://github.com/llvm/llvm-project/pull/164847
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