Hi there,
In current tvm, src/codegen/llvm/codegen_cpu.cc, it generate assert stmt. It
would be nice to have a build config option to disable these runtime TVM
asserts.
Below is just a example of disable it with environment variable.
It will be better to use build config to control it.
Please let me know your thought.
Thanks,
-W
```
diff --git a/src/codegen/llvm/codegen_cpu.cc b/src/codegen/llvm/codegen_cpu.cc
index fcad0f7b..5842e2ed 100644
--- a/src/codegen/llvm/codegen_cpu.cc
+++ b/src/codegen/llvm/codegen_cpu.cc
@@ -705,25 +705,32 @@ llvm::Value* CodeGenCPU::CreateIntrinsic(const Call* op) {
}
void CodeGenCPU::VisitStmt_(const AssertStmt* op) {
- using llvm::BasicBlock;
- llvm::Value* cond = MakeValue(op->condition);
- std::ostringstream os;
- os << "Assert fail: " << op->condition;
- if (op->message.as<StringImm>()) {
- os << ", " << op->message.as<StringImm>()->value;
+#ifndef NDEBUG
+ bool use_tvm_asserts = true;
+#else
+ bool use_tvm_asserts = (std::getenv("TVM_USE_ASSERT_STMT") != nullptr);
+#endif // !NDEBUG
+ if (use_tvm_asserts) {
+ using llvm::BasicBlock;
+ llvm::Value* cond = MakeValue(op->condition);
+ std::ostringstream os;
+ os << "Assert fail: " << op->condition;
+ if (op->message.as<StringImm>()) {
+ os << ", " << op->message.as<StringImm>()->value;
+ }
+ llvm::Value* msg = GetConstString(os.str());
+ BasicBlock* fail_block = BasicBlock::Create(
+ *ctx_, "assert_fail", function_);
+ BasicBlock* end_block = BasicBlock::Create(
+ *ctx_, "assert_end", function_);
+ builder_->CreateCondBr(cond, end_block, fail_block,
md_very_likely_branch_);
+ // fail condition.
+ builder_->SetInsertPoint(fail_block);
+ builder_->CreateCall(RuntimeTVMAPISetLastError(), {msg});
+ builder_->CreateRet(ConstInt32(-1));
+ // otherwise set it to be new end.
+ builder_->SetInsertPoint(end_block);
}
- llvm::Value* msg = GetConstString(os.str());
- BasicBlock* fail_block = BasicBlock::Create(
- *ctx_, "assert_fail", function_);
- BasicBlock* end_block = BasicBlock::Create(
- *ctx_, "assert_end", function_);
- builder_->CreateCondBr(cond, end_block, fail_block, md_very_likely_branch_);
- // fail condition.
- builder_->SetInsertPoint(fail_block);
- builder_->CreateCall(RuntimeTVMAPISetLastError(), {msg});
- builder_->CreateRet(ConstInt32(-1));
- // otherwise set it to be new end.
- builder_->SetInsertPoint(end_block);
CodeGenLLVM::VisitStmt_(op);
}
```
---
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