[clang] [llvm] [HLSL] Implement WaveActiveAnyTrue intrinsic (PR #115902)

[Ashley Coleman via cfe-commits]

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@@ -1949,24 +1955,48 @@ bool SPIRVInstructionSelector::selectSign(Register ResVReg,
   return Result;
 }
 
+bool SPIRVInstructionSelector::selectWaveNOpInst(Register ResVReg,
+                                                 const SPIRVType *ResType,
+                                                 MachineInstr &I,
+                                                 unsigned Opcode,
+                                                 unsigned OperandCount) const {
+  assert(I.getNumOperands() == OperandCount);
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V-FEXrt wrote:

I was just blindly refactoring, but one could argue that asserting the expected `OperandCount` is safer from a "is this doing what I expect" angle

https://github.com/llvm/llvm-project/pull/115902