search for: alias_end

On Thu, Jun 4, 2015 at 3:58 PM, Duncan P. N. Exon Smith < dexonsmith at apple.com> wrote: > > > Personally, I think the right approach is to add a bool to > createGlobalDCEPass defaulting to true named something like > IsAfterInlining. In most standard pass pipelines, GlobalDCE runs after > inlining for obvious reasons, so the default makes sense. The special case > is

On Thu, Jun 4, 2015 at 5:33 PM, Reid Kleckner <rnk at google.com> wrote: > On Thu, Jun 4, 2015 at 5:17 PM, Teresa Johnson <tejohnson at google.com> wrote: >> >> Agreed. Although I assume you mean invoke the new pass under a >> ThinLTO-only option so that avail extern are not dropped in the >> compile pass before the LTO link? > > > No, this pass

...if (!I->hasAvailableExternallyLinkage()) + continue; + if (!I->isDeclaration()) + I->deleteBody(); + I->removeDeadConstantUsers(); + NumFunctions++; + } + + // Drop targets of available externally aliases. + for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end(); I != E; + ++I) { + if (!I->hasAvailableExternallyLinkage()) + continue; + I->setAliasee(nullptr); + I->removeDeadConstantUsers(); + NumAliases++; + } + + return Changed; +} Index: lib/Transforms/IPO/PassManagerBuilder.cpp ========================================...