Can the llvm interpreter handle a C ++ exception?

Question

My source code is as follows:

test.cpp:

void func(){ throw "abc"; } int main(){ try{ func(); } catch(...){ } } 

• I compiled code with clang

   clang -S -emit-llvm test.cpp 

• then pushed it with lli :

   lli -force-interpreter test.ll 

and then crashed:

termination with an uncaught exception of type char const*

I am working with a macbook (llvm3.6).

Answer 1

The answer is yes.

• compile C ++ code with clang++ instead of clang
• remove the -force-interpreter option
• add option - jit-enable-eh

I slightly modified your test:

 #include <stdio.h> void func(){ throw "test"; } int main(){ try{ func(); } catch(...){ printf("Gotcha\n"); } } 

Result:

$ clang ++ -S -emit-llvm test.cpp
$ lli -jit-enable-eh test.ll
Caught