Eli Friedman 409943efcb Don't emit nsw flags for vector operations; there's basically no benefit, and a lot of downside (like PR9850, which is about clang's xmmintrin.h making an unexpected transformation on an expression involving _mm_add_epi32). ...

llvm-svn: 131000

2011-05-06 18:04:18 +00:00

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