test/CodeGen/Generic/fastcall.ll

; Test fastcc works. Test from bug 2770.
; RUN: llc < %s -relocation-model=pic


%struct.__gcov_var = type {  i32 }
@__gcov_var = external global %struct.__gcov_var

define fastcc void @gcov_read_words(i32 %words) {
entry:
        store i32 %words, ptr @__gcov_var
        ret void
}