From: Chris Lattner <sabre@nondot.org>
Date: Sat, 17 Aug 2002 22:38:02 +0000 (+0000)
Subject: Run GlobalDCE before deadtypeelim so that we do not retain types for global
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=0e4ca08843f8bacb893f09cecb1a8c750b443106;p=oota-llvm.git

Run GlobalDCE before deadtypeelim so that we do not retain types for global
variables that are obviously dead.  The most common case is %FILE


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3370 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index 13a4a4111e8..215f5e9bba6 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -66,6 +66,7 @@ void AddConfiguredTransformationPasses(PassManager &PM) {
   if (Verify) PM.add(createVerifierPass());
 
   addPass(PM, createFunctionResolvingPass());     // Resolve (...) functions
+  addPass(PM, createGlobalDCEPass());             // Kill unused uinit g-vars
   addPass(PM, createDeadTypeEliminationPass());   // Eliminate dead types
   addPass(PM, createConstantMergePass());         // Merge dup global constants
   addPass(PM, createDeadInstEliminationPass());   // Remove Dead code/vars