================
@@ -264,7 +264,9 @@ def S_BREV_B64 : SOP1_64 <"s_brev_b64",
} // End isReMaterializable = 1, isAsCheapAsAMove = 1
let Defs = [SCC] in {
-def S_BCNT0_I32_B32 : SOP1_32 <"s_bcnt0_i32_b32">;
+def S_BCNT0_I32_B32 : SOP1_32 <"s_bcnt0_i32_b32",
+ [(set i32:$sdst, (UniformBinFrag<sub> 32, (ctpop i32:$src0)))]
----------------
arsenm wrote:
```suggestion
[(set i32:$sdst, (UniformBinFrag<sub> 32, (ctpop_oneuse i32:$src0)))]
```
Will need to put in AMDGPUInstructions.td
`def ctpop_oneuse : HasOneUseUnaryOp<ctpop>;`
https://github.com/llvm/llvm-project/pull/164847
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