Add a GVN pass, using the value numbering code I developed for GVNPRE and the

load elimination code from RedundantLoadElimination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40469 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 8 insertions, 0 deletions

diff --git a/include/llvm/LinkAllPasses.h b/include/llvm/LinkAllPasses.h
index 8bf498a..1d0925b 100644
--- a/include/llvm/LinkAllPasses.h
+++ b/include/llvm/LinkAllPasses.h
@@ -114,6 +114,7 @@ namespace {
       (void) llvm::createInstCountPass();
       (void) llvm::createPredicateSimplifierPass();
       (void) llvm::createCodeGenPreparePass();
+      (void) llvm::createGVNPass();
 
       (void)new llvm::IntervalPartition();
       (void)new llvm::FindUsedTypes();
diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h
index 9f06d6f..196a3f4 100644
--- a/include/llvm/Transforms/Scalar.h
+++ b/include/llvm/Transforms/Scalar.h
@@ -339,6 +339,13 @@ FunctionPass *createRedundantLoadEliminationPass();
 
 //===----------------------------------------------------------------------===//
 //
+// GVN - This pass performs global value numbering and redundant load 
+// elimination cotemporaneously.
+//
+FunctionPass *createGVNPass();
+
+//===----------------------------------------------------------------------===//
+//
 // CodeGenPrepare - This pass prepares a function for instruction selection.
 //
 FunctionPass *createCodeGenPreparePass(const TargetLowering *TLI = 0);