Il 12/11/2013 14:23, Gleb Natapov ha scritto: >> If -O0 does not do that, let's move debug builds to -O1. > > Why not enable dce with -fdce?
First, because clang doesn't have fine-tuned optimization options (at least I couldn't find them and -fdce doesn't work). Second, because most optimization options are no-ops at -O0 (try "-fdce -fdump-tree-all" with GCC. Paolo
