[cfe-dev] CFG::dump in clang

[Ted Kremenek]

-cfg-dump is a internal driver (-cc1) option, not part of the "public" compiler driver interface.  It is also tied to -analyze.  Try:

clang -cc1 -analyze -cfg-dump test.c

On Dec 12, 2010, at 4:48 PM, Surinder J wrote:

> I want to obtain a dump of CFG for a simple foo program
>  
> #include <stdio.h>
> int main() {
>   printf("Hello, World!\n");
> }
> I have tried the command
>  
> clang -cfg-dump foo.c
>  
> It gives a warning and ignores -cfg-dump option.
>  
> Also, if it is unable to link edit the program.  when I give the command  
>  
> clang foo.c
>  
> It gives an error
>  
> /usr/bin/ld: crtbegin.o: No such file: No such file or directory
> clang: error: linker command failed with exit code 1 (use -v to see invocation)
>  
> Running with -v option gives the error
>  
> /usr/bin/ld: crtbegin.o: No such file: No such file or directory
> clang: error: linker command failed with exit code 1 (use -v to see invocation)
> Any help to dump cfg would be appreciated.
>  
> Surinder
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