| Issue |
57290
|
| Summary |
llvm::CloneModule bug "Referencing global in another module!"
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
Hatsunespica
|
Test case:
```
@i1 = ifunc void (), void ()* ()* @f1
define void ()* @f1() {
%i1 = bitcast void ()* @i1 to i8*
}
```
Test code:
```
std::shared_ptr<llvm::Module> openInputFile(const string &inputFile,
llvm::LLVMContext &context) {
llvm::ExitOnError ExitOnErr;
auto MB =
ExitOnErr(errorOrToExpected(llvm::MemoryBuffer::getFile(inputFile)));
llvm::SMDiagnostic Diag;
auto pm = getLazyIRModule(std::move(MB), Diag, context,
/*ShouldLazyLoadMetadata=*/true);
if (!pm) {
Diag.print("", llvm::errs(), false);
return nullptr;
}
ExitOnErr(pm->materializeAll());
return std::move(pm);
}
void handle(std::shared_ptr<llvm::Module> ptr) {
std::shared_ptr<llvm::Module> newModule=llvm::CloneModule(*ptr,vmap);
llvm::verifyModule(*newModule,&llvm::errs());
}
void test(){
llvm::LLVMContext context;
std::shared_ptr<llvm::Module> pm = openInputFile(testfile, context);
handle(pm);
}
```
Verifier output:
```
Referencing global in another module!
%i1 = bitcast void ()* @i1 to i8*
; ModuleID = '/home/spica/test.ll'
void ()* @i1
; ModuleID = '/home/spica/test.ll'
Referencing global in another module!
%i2 = bitcast void ()* @i2 to i8*
; ModuleID = '/home/spica/test.ll'
void ()* @i2
; ModuleID = '/home/spica/test.ll'
```
Similar to another issue I mentioned before >_<
https://github.com/llvm/llvm-project/issues/55991
cc @regehr
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