no llvm-gcc and llvm-g++ in the directory of bin

My problem is there is no llvm-gcc and llvm-g++ in the directory of bin when I have installed llvm and llvm-gcc.
I was following the instruction of http://llvm.org/releases/2.6/docs/GettingStarted.html, however when I finished installing the llvm and llvm-gcc successfully, the bin dir contains no llvm-gcc and llvm-g++, but contain gcc and g++.

The following is files in the directory of bin:

huwei8717 wrote:

My problem is there is no llvm-gcc and llvm-g++ in the directory of bin
when I have installed llvm and llvm-gcc.
I was following the instruction of
http://llvm.org/releases/2.6/docs/GettingStarted.html, however when I
finished installing the llvm and llvm-gcc successfully, the bin dir
contains no llvm-gcc and llvm-g++, but contain gcc and g++.

You probably configured llvm-gcc without passing --program-prefix=llvm-
. Could you try adding that and try again?

Nick