[SDAG] Remove FixedArgs parameter from CallLoweringInfo::setCallee

The setCallee function will set the number of fixed arguments based
on the size of the argument list. The FixedArgs parameter was often
explicitly set to 0, leading to a lack of consistent value for non-
vararg functions.

Differential Revision: http://reviews.llvm.org/D20376


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273403 91177308-0d34-0410-b5e6-96231b3b80d8
20 files changed