[PATCH] [WIP] Use dynamic alloca for stack variables in ASan.

Alexey Samsonov vonosmas at gmail.com
Mon Dec 8 11:25:05 PST 2014

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I've re-run the SPEC after the most recent changes, and still see a minor improvement in average results: this change as-is gives 4.5% improvement against the current code, and if/when we enable asan-stack-dynamic-alloca by default, the improvement against the current code is 3.5%.

http://reviews.llvm.org/D6465

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