cbalint13 commented on code in PR #16347:
URL: https://github.com/apache/tvm/pull/16347#discussion_r1441740282
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src/target/llvm/codegen_llvm.cc:
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@@ -1851,7 +1867,29 @@ llvm::Value* CodeGenLLVM::VisitExpr_(const ShuffleNode*
op) {
}
llvm::Value* CodeGenLLVM::VisitExpr_(const BroadcastNode* op) {
- return CreateBroadcast(MakeValue(op->value), op->lanes);
+ DataType dtype = op->dtype;
+ llvm::Value* value = MakeValue(op->value);
+ llvm::Type* type = DTypeToLLVMType(dtype);
+ llvm::ElementCount ec;
+ if (dtype.is_scalable()) {
+ ec = llvm::ElementCount::get(dtype.lanes(), true);
+ } else {
+ ec = llvm::ElementCount::get(dtype.lanes(), false);
+ }
+ llvm::Constant* undef = llvm::UndefValue::get(type);
+ llvm::Constant* zero = ConstInt32(0);
+ value = builder_->CreateInsertElement(undef, value, zero);
+#if TVM_LLVM_VERSION >= 120
+ llvm::Constant* mask = llvm::ConstantVector::getSplat(ec, zero);
+#elif TVM_LLVM_VERSION >= 110
+ llvm::Constant* mask = llvm::ConstantVector::getSplat(ec, zero);
Review Comment:
* Can be merged to single ```TVM_LLVM_VERSION >= 110```
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