Use tbaa_immut for getfield of immutable types #13286
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Ref #8867 and this is master (post-codegen-rewrite) only. |
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Ping. Is this OK to merge? |
yuyichao
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Sep 28, 2015
Use tbaa_immut for getfield of immutable types
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This fixes a vectorization regression in this script
LLVM refuses to vectorize it on the current master because it cannot prove that the array doesn't alias the fields of
factor::Complex64. (seetest-0.4.llandtest-master.llin the same directory for the raw llvmir including tbaa info)@simonster @vtjnash