================
@@ -905,14 +887,46 @@ class ScalarExprEmitter : public
StmtVisitor<ScalarExprEmitter, mlir::Value> {
return builder.createOrFold<cir::MinusOp>(loc, operand, nsw);
}
- mlir::Value emitIncOrDec(const UnaryOperator *e, mlir::Value input,
- bool nsw = false) {
+ mlir::Value emitIntIncOrDec(const UnaryOperator *e, mlir::Value input,
+ bool nsw = false) {
mlir::Location loc = cgf.getLoc(e->getSourceRange().getBegin());
return e->isIncrementOp()
? builder.createOrFold<cir::IncOp>(loc, input, nsw)
: builder.createOrFold<cir::DecOp>(loc, input, nsw);
}
+ mlir::Value emitFloatIncOrDec(const UnaryOperator *e, mlir::Value input) {
+ assert(cir::isFPOrVectorOfFPType(input.getType()) &&
+ "Expect floating-point operand");
+ mlir::Location loc = cgf.getLoc(e->getSourceRange().getBegin());
+
+ if (auto vecType = mlir::dyn_cast<cir::VectorType>(input.getType())) {
+ mlir::Type fpScalarType = vecType.getElementType();
+ auto fpInterface = mlir::cast<cir::FPTypeInterface>(fpScalarType);
+ auto amount = llvm::APFloat::getOne(fpInterface.getFloatSemantics(),
+ /*Negative=*/e->isDecrementOp());
+ mlir::Value amtValue = builder.getConstFP(loc, fpScalarType, amount);
+ amtValue = cir::VecSplatOp::create(builder, loc, vecType, amtValue);
+ return builder.createFAdd(loc, input, amtValue);
+ } else {
----------------
Lancern wrote:
We could just omit this `else` branch since the true branch would return.
https://github.com/llvm/llvm-project/pull/193215
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