[Mlir-commits] [mlir] [mlir][rocdl] Add `readfirstlane` intrinsic (PR #152551)

[Ivan Butygin]

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@@ -189,7 +189,21 @@ def ROCDL_BallotOp :
   let assemblyFormat = "$pred attr-dict `:` type($res)";
 }
 
-def ROCDL_ReadlaneOp : ROCDL_IntrOp<"readlane", [], [0], [AllTypesMatch<["res", "src0"]>], 1>,
+def ROCDL_ReadfirstlaneOp : ROCDL_IntrOp<"readfirstlane", [], [0], [AllTypesMatch<["res", "src"]>, Pure], 1>,
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Hardcode84 wrote:

I guess, I can make it non-pure for now and hoist manually on Wave side.

https://github.com/llvm/llvm-project/pull/152551