[LLVMdev] viewCFGOnly() function
nxer44 at gmail.com
Thu Jul 23 21:25:35 PDT 2009
Oops, should have been clearer, i meant to use a method viewCFGOnly() in
Function.h, i thought we need to declare a function variable first
(llvm::Function* F) and use the create method, etc. I just confused myself
there so i just restarted with clean slate with MachineFunction and this is
what i have:
using namespace llvm;
int main( int argc, char ** argv )
I compile it using this:
llvm-g++ test.cpp `llvm-config --cxxflags --ldflags --libs`
It compiles fine but then what? I have "dot" and "gv" in my path, i thought
there would be an empty graph or something that would display. I am not sure
if i misunderstood this whole thing. As you can probably tell i am bit a
noob with this so could you please point to the right documentation? I am
just piecing information together from random parts! Thanks.
David Stuttard wrote:
> Here's what the doxygen page has for viewCFGOnly() :
> /// viewCFGOnly - This function is meant for use from the debugger. It
> /// just like viewCFG, but it does not include the contents of basic
> /// into the nodes, just the label. If you are only interested in the CFG
> /// this can make the graph smaller.
> void viewCFGOnly() const;
> Which indicates that no arguments are necessary.
> You're getting a compile error because you are using F->viewCFGOnly() when
> F is not a
> pointer in your example.
> Try F.viewCFGOnly() instead
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