Run DCE AFTER SCCP and GCSE!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2476 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index ce22ccdaf3b1e727d681c11c344d22399637f7e8..a292a71afedb0e591340f56c380c58562839bd63 100644 (file)
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -83,9 +83,9 @@ int main(int argc, char **argv) {
     Passes.add(createRaisePointerReferencesPass()); // Eliminate casts
     Passes.add(createPromoteMemoryToRegister());    // Promote alloca's to regs
     Passes.add(createInstructionCombiningPass());   // Combine silly seq's
-    Passes.add(createDeadCodeEliminationPass());    // Remove Dead code/vars
     Passes.add(createSCCPPass());                   // Constant prop with SCCP
     Passes.add(createGCSEPass());                   // Remove common subexprs
+    Passes.add(createDeadCodeEliminationPass());    // Remove Dead code/vars
   }
   Passes.add(new WriteBytecodePass(&Out));        // Write bytecode to file...