gnuWorldOrder_424

The **llc** , **lli** , **llvm-ar** , **llvm-as** , **llvm-bcanalyzer** ,
**llvm-c-test** , **llvm-config** , and **llvm-cov** commands from the **d**
software series of Slackware. Also, an off-script rogue demo of **lcov**.

There isn't much of a logical flow to these commands, but here are a bunch of
examples to demonstrate syntax:

$ clang -E -emit-llvm hello.c > hello.i
$ clang -S -emit-llvm hello.i # outputs hello.ll
$ llvm-as hello.ll # outputs hello.bc
$ llc hello.bc -o hello.s # outputs assembly
$ llvm-as hello.bc -o hello.s # outputs assembly
$ llvm-ar r hello.a hello.bc # outputs hello.a

For **llvm-gcov** :

$ clang -fprofile-arcs -ftest-coverage hello.c
$ ./hello
$ llvm-gcov show hello.c
$ lcov --capture --initial --directory . -o hello.info
$ genhtml hello.info --output-directory html
$ firefox ./html/index.html

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