[PATCH] D16829: An implementation of Swing Modulo Scheduling

[Brendon Cahoon via llvm-commits]

bcahoon added a comment.

> I'm just wondering how to generate a loop which has only one basic block. For an example,




> Run clang -emit-llvm -S --target=hexagon foo.c will generate


Try with -O2 -fno-unroll-loops.  The O2 flag will generate a canonical loop with a single basic block and the -fno-unroll-loops flag makes sure the loop is not unrolled.


http://reviews.llvm.org/D16829