================
@@ -3002,6 +3002,88 @@ mlir::LogicalResult
CIRToLLVMAllocExceptionOpLowering::matchAndRewrite(
return mlir::success();
}
+static mlir::LLVM::LLVMStructType
+getLLVMLandingPadStructTy(mlir::ConversionPatternRewriter &rewriter) {
+ // Create the landing pad type: struct { ptr, i32 }
+ mlir::MLIRContext *ctx = rewriter.getContext();
+ auto llvmPtr = mlir::LLVM::LLVMPointerType::get(ctx);
+ llvm::SmallVector<mlir::Type> structFields = {llvmPtr,
rewriter.getI32Type()};
+ return mlir::LLVM::LLVMStructType::getLiteral(ctx, structFields);
+}
+
+mlir::LogicalResult CIRToLLVMEhInflightOpLowering::matchAndRewrite(
+ cir::EhInflightOp op, OpAdaptor adaptor,
+ mlir::ConversionPatternRewriter &rewriter) const {
+ auto llvmFn = op->getParentOfType<mlir::LLVM::LLVMFuncOp>();
+ assert(llvmFn && "expected LLVM function parent");
+ mlir::Block *entryBlock = &llvmFn.getRegion().front();
+ assert(entryBlock->isEntryBlock());
+
+ mlir::ArrayAttr symListAttr = op.getSymTypeListAttr();
+ mlir::SmallVector<mlir::Value, 4> symAddrs;
+
+ auto llvmPtrTy = mlir::LLVM::LLVMPointerType::get(rewriter.getContext());
+ mlir::Location loc = op.getLoc();
+
+ // %landingpad = landingpad { ptr, i32 }
+ // Note that since llvm.landingpad has to be the first operation on the
+ // block, any needed value for its operands has to be added somewhere else.
+ if (symListAttr) {
+ // catch ptr @_ZTIi
+ // catch ptr @_ZTIPKc
+ for (mlir::Attribute attr : symListAttr) {
+ auto symAttr = cast<mlir::FlatSymbolRefAttr>(attr);
+ // Generate `llvm.mlir.addressof` for each symbol, and place those
+ // operations in the LLVM function entry basic block.
+ mlir::OpBuilder::InsertionGuard guard(rewriter);
+ rewriter.setInsertionPointToStart(entryBlock);
+ mlir::Value addrOp = mlir::LLVM::AddressOfOp::create(
----------------
AmrDeveloper wrote:
I am not sure if it takes ValueRange to be able to represent a null value 🤔
https://github.com/llvm/llvm-project/pull/165621
_______________________________________________
cfe-commits mailing list
[email protected]
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
