================
@@ -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(
----------------
joaosaffran wrote:
`DXIL.td`, is defining the OpCode call signature, like it's arguments, return
type, shader stages where it is available, etc.
First, the `OpCode` is generated from `DXIL.td`, so the Op codes defined in
there will be made available through the `OpCode` class. Finally, when we call
`tryCreateOp` it will check the values specified within `DXIL.td` in order to
make sure the call is valid.
https://github.com/llvm/llvm-project/pull/109331
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