================
@@ -2244,6 +2245,54 @@ mlir::LogicalResult
CIRToLLVMComplexImagOpLowering::matchAndRewrite(
return mlir::success();
}
+mlir::LogicalResult CIRToLLVMGetBitfieldOpLowering::matchAndRewrite(
+ cir::GetBitfieldOp op, OpAdaptor adaptor,
+ mlir::ConversionPatternRewriter &rewriter) const {
+
+ mlir::OpBuilder::InsertionGuard guard(rewriter);
+ rewriter.setInsertionPoint(op);
+
+ cir::BitfieldInfoAttr info = op.getBitfieldInfo();
+ uint64_t size = info.getSize();
+ uint64_t offset = info.getOffset();
+ mlir::Type storageType = info.getStorageType();
+ mlir::MLIRContext *context = storageType.getContext();
+ unsigned storageSize = 0;
+
+ if (auto arTy = mlir::dyn_cast<cir::ArrayType>(storageType))
+ storageSize = arTy.getSize() * 8;
+ else if (auto intTy = mlir::dyn_cast<cir::IntType>(storageType))
+ storageSize = intTy.getWidth();
+ else
+ llvm_unreachable(
+ "Either ArrayType or IntType expected for bitfields storage");
+
+ mlir::IntegerType intType = mlir::IntegerType::get(context, storageSize);
----------------
andykaylor wrote:
I don't like having `intType` here right after `intTy` above, but if we don't
need to handle arrays that should go away.
https://github.com/llvm/llvm-project/pull/145971
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
