Some of the kernels assumed that the pointers are aligned. This commit makes the
arrays aligned. This commit also increases the number of executions for some of the
faster loops.

This should fix build.lnt_clang-x86_64-darwin10-RA_i386-O3.



git-svn-id: https://llvm.org/svn/llvm-project/test-suite/trunk@171546 91177308-0d34-0410-b5e6-96231b3b80d8