Subject: [PATCH-v5] Detect and mark reduction like statements

+ Flag to indicate reduction like statements
+ Command line option to (dis)allow multiplicative reduction opcodes
+ Two simple positive test cases, one fp test case w and w/o fast math
+ One "negative" test case (only reduction like but no reduction)


git-svn-id: https://llvm.org/svn/llvm-project/polly/trunk@211114 91177308-0d34-0410-b5e6-96231b3b80d8