Specify that indvars actually preserve LCSSA. This has been done for a while, but I

forgot to put in the analysis usage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29867 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index efa587b221ec1b1e881cfcee8959a7aaef533705..cf2daa1ddc18b895ebae6fd81860866485388272 100644 (file)
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -79,6 +79,7 @@ namespace {
       AU.addRequired<ScalarEvolution>();
       AU.addRequired<LoopInfo>();
       AU.addPreservedID(LoopSimplifyID);
+      AU.addPreservedID(LCSSAID);
       AU.setPreservesCFG();
     }
   private:
@@ -570,4 +571,6 @@ void IndVarSimplify::runOnLoop(Loop *L) {
 #endif
 
   DeleteTriviallyDeadInstructions(DeadInsts);
+  
+  assert(L->isLCSSAForm());
 }