================
@@ -1446,6 +1452,90 @@ bool SPIRVInstructionSelector::selectRsqrt(Register
ResVReg,
.constrainAllUses(TII, TRI, RBI);
}
+// Select the OpDot instruction for the given float dot
+bool SPIRVInstructionSelector::selectFloatDot(Register ResVReg,
+ const SPIRVType *ResType,
+ MachineInstr &I) const {
+ assert(I.getNumOperands() == 4);
+ assert(I.getOperand(2).isReg());
+ assert(I.getOperand(3).isReg());
+
+ [[maybe_unused]] SPIRVType *VecType =
+ GR.getSPIRVTypeForVReg(I.getOperand(2).getReg());
+
+ assert(GR.getScalarOrVectorComponentCount(VecType) > 1 &&
+ "dot product requires a vector of at least 2 components");
+
----------------
pow2clk wrote:
Done
https://github.com/llvm/llvm-project/pull/104656
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