================
@@ -461,6 +479,27 @@ class OpLowerer {
});
}
+ [[nodiscard]] bool lowerSplitDouble(Function &F) {
+ IRBuilder<> &IRB = OpBuilder.getIRB();
+ return replaceFunction(F, [&](CallInst *CI) -> Error {
+ IRB.SetInsertPoint(CI);
+
+ Value *Arg0 = CI->getArgOperand(0);
+
+ Type *NewRetTy = OpBuilder.getResSplitDoubleType(M.getContext());
+
+ std::array<Value *, 1> Args{Arg0};
+ Expected<CallInst *> OpCall = OpBuilder.tryCreateOp(
----------------
farzonl wrote:
could you explain how this line and DXIL.td work together? You are `specifying
`OpCode::SplitDouble` in the createOp and on line 531 you are mapping the
`Intrinsic::dx_splitdouble:` intrinsic to this lowering behavior. Does that
mean DXIL.td isn't used at all?
https://github.com/llvm/llvm-project/pull/109331
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