================
@@ -2615,6 +2618,15 @@ bool SPIRVInstructionSelector::selectDiscard(Register
ResVReg,
.constrainAllUses(TII, TRI, RBI);
}
+bool SPIRVInstructionSelector::selectFwidth(Register ResVReg,
+ const SPIRVType *ResType,
+ MachineInstr &I) const {
+ return BuildMI(*I.getParent(), I, I.getDebugLoc(), TII.get(SPIRV::OpFwidth))
+ .addDef(ResVReg)
+ .addUse(GR.getSPIRVTypeID(ResType))
+ .addUse(I.getOperand(2).getReg());
+}
+
----------------
farzonl wrote:
This doesn't seem special enough to need it's own selector function but I guess
thats how we have been doing all the non ext opcodes like `SPIRV::OpFwidth`.
Maybe we should create a generic Selector for the SPIRV Opcodes. So we don't
have to do so many custom select functions when the only interesting part is
`SPIRV::OpFwidth`. Something close to what we did for `selectExtInst`.
https://github.com/llvm/llvm-project/pull/161378
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