[PATCH] [Polly][Fix] Non i1 typed select condition for weird pw aff functions.

[Tobias Grosser]

Nice patch! LGTM.

Tobias

>  http://llvm.org/bugs/show_bug.cgi?id=21167
You can reference bug reports with http://llvm.org/PR21167

================
Comment at: test/Isl/CodeGen/test-invalid-operands-for-select-2.ll:3
@@ +2,3 @@
+;
+; Check that we do not crash as described here: http://llvm.org/bugs/show_bug.cgi?id=21167
+;
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If you could add a one sentence explanation of the bug, that would be great.

http://reviews.llvm.org/D5627