error when compile .cl file with libclc in windows

Thank you read this e-mail!
i build the libclc library on windows, thought there are some little problem, but it work.
then i test the library with llvm 3.7, it also work.
but i test my project, when build nvptx file, it failed. error list in build.log file. the kernel.nvptx is the output file, but it is not completed! the command is
llc -mcpu=sm_21 kernel.ll -o kernel.nvptx

so please give me some suggesstions

besides, can you give some detail specification about libclc

thank you

build.log (6.48 KB)

kernel.nvptx (30.1 KB)

kernel.ll (145 KB)