Use > instead of >=. We want to promote aggregates of 128-bytes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65960 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 5 insertions, 1 deletions

diff --git a/lib/Transforms/Utils/SimplifyCFG.cpp b/lib/Transforms/Utils/SimplifyCFG.cpp
index 25579614ec..96cd299242 100644
--- a/lib/Transforms/Utils/SimplifyCFG.cpp
+++ b/lib/Transforms/Utils/SimplifyCFG.cpp
@@ -33,6 +33,10 @@ using namespace llvm;
 
 STATISTIC(NumSpeculations, "Number of speculative executed instructions");
 
+#include "llvm/Support/CommandLine.h"
+static cl::opt<bool>
+DisableXForm("disable-xform", cl::Hidden, cl::init(false));
+
 /// SafeToMergeTerminators - Return true if it is safe to merge these two
 /// terminator instructions together.
 ///
@@ -1782,7 +1786,7 @@ bool llvm::SimplifyCFG(BasicBlock *BB) {
       }
 
       // If we found some, do the transformation!
-      if (!UncondBranchPreds.empty()) {
+      if (!UncondBranchPreds.empty() && !DisableXForm) {
         while (!UncondBranchPreds.empty()) {
           BasicBlock *Pred = UncondBranchPreds.back();
           DOUT << "FOLDING: " << *BB