Run GCSE as part of gccas.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2340 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/gccas/gccas.cpp b/tools/gccas/gccas.cpp
index 02d7cfe..613f51c 100644
--- a/tools/gccas/gccas.cpp
+++ b/tools/gccas/gccas.cpp
@@ -15,6 +15,7 @@
#include "llvm/Transforms/ConstantMerge.h"
#include "llvm/Transforms/ChangeAllocations.h"
#include "llvm/Transforms/Scalar/DCE.h"
+#include "llvm/Transforms/Scalar/GCSE.h"
#include "llvm/Transforms/Scalar/IndVarSimplify.h"
#include "llvm/Transforms/Scalar/InstructionCombining.h"
#include "llvm/Transforms/Scalar/PromoteMemoryToRegister.h"
@@ -83,6 +84,7 @@
Passes.add(createConstantMergePass()); // Merge dup global consts
Passes.add(createInstructionCombiningPass()); // Combine silly seq's
Passes.add(createDeadCodeEliminationPass()); // Remove Dead code/vars
+ Passes.add(createGCSEPass()); // Remove common subexprs
}
Passes.add(new WriteBytecodePass(&Out)); // Write bytecode to file...