Add new sretpromotion pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48032 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/LinkAllPasses.h

@@ -46,6 +46,7 @@ namespace {
       (void) llvm::createAliasDebugger();
       (void) llvm::createAndersensPass();
       (void) llvm::createArgumentPromotionPass();
+      (void) llvm::createStructRetPromotionPass();
       (void) llvm::createBasicAliasAnalysisPass();
       (void) llvm::createBasicVNPass();
       (void) llvm::createBlockPlacementPass();