[llvm-dev] Generating SSA using llvm

[Sudakshina Dutta via llvm-dev]

Dear all,

Greetings.
I have been trying to generate SSA form using llvm. Note that I have
subjected the following program (prog1.c) to llvm.

int fact(int b);
int main()
{
    int a, b;
    a = 6;
    if(a > 5)
    {
        b = 7;
    }
    else
    {
        b = 5;
    }
    fact(b);
    return 0;
}
Also I have executed the following commands.
clang -S -emit-llvm prog1.c -o prog1.ll
clang -c -emit-llvm prog1.c -o prog1.bc
opt -mem2reg prog1.bc -o prog1.opt.bc
llvm-dis prog1.opt.bc

The last step generates prog1.opt.ll. I did not find any difference between
prog1.ll and prog1.opt.ll other than the names of the files.

Kindly help me in generating SSA using llvm.

Thanks,
Sudakshina
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20210413/628abad7/attachment.html>