kparzysz-quic commented on code in PR #12200:
URL: https://github.com/apache/tvm/pull/12200#discussion_r947138752
##########
src/target/llvm/codegen_cpu.cc:
##########
@@ -642,7 +642,16 @@ CodeGenLLVM::TypedPointer
CodeGenCPU::PackClosureData(const Array<Var>& vfields,
}
llvm::StructType* ctype = struct_name.size() ?
llvm::StructType::create(fields, struct_name)
:
llvm::StructType::create(fields);
- llvm::Value* cvalue = builder_->CreateAlloca(ctype, ConstInt32(1));
+ // create ctype alloca at function entry
+ llvm::BasicBlock* cur_pt = builder_->GetInsertBlock();
+ llvm::BasicBlock* entry_block = &function_->getEntryBlock();
+ if (entry_block->getFirstInsertionPt() == entry_block->end()) {
+ builder_->SetInsertPoint(entry_block);
+ } else {
+ builder_->SetInsertPoint(&(*entry_block->getFirstInsertionPt()));
+ }
+ llvm::Value* cvalue = builder_->CreateAlloca(ctype, ConstInt32(1)); //
alloca at function begin
+ builder_->SetInsertPoint(cur_pt);
Review Comment:
You can replace all of this with
```
llvm::AllocaInst* cvalue = WithFunctionEntry([&]() {
return builder_->CreateAlloca(ctype, ConstInt32(1));
});
```
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