================
@@ -820,3 +820,12 @@ def WaveGetLaneIndex : DXILOp<111, waveGetLaneIndex> {
let stages = [Stages<DXIL1_0, [all_stages]>];
let attributes = [Attributes<DXIL1_0, [ReadNone]>];
}
+
+def WaveAllBitCount : DXILOp<135, waveAllOp> {
+ let Doc = "returns the count of bits set to 1 across the wave";
+ let LLVMIntrinsic = int_dx_wave_active_countbits;
+ let arguments = [Int1Ty];
+ let result = Int32Ty;
+ let stages = [Stages<DXIL1_0, [all_stages]>];
+ let attributes = [Attributes<DXIL1_0, [ReadNone]>];
----------------
inbelic wrote:
@pow2clk Just want to ping to double check these attributes are okay.
`ReadNone` is not in `hctdb.py` but it would seem to be applicable. Should
`IsWave` be added now or will we add them all at once in a separate commit?
https://github.com/llvm/llvm-project/pull/113382
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