[NFC] Refactoring of LoopSafetyInfo, step 1

Turn structure into class, encapsulate methods, add clarifying comments.

Differential Revision: https://reviews.llvm.org/D50693
Reviewed By: reames

llvm-svn: 339752

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp
index cc80e11e4ac..1a05bf4775b 100644
--- a/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnrollAndJam.cpp
@@ -762,8 +762,8 @@ bool llvm::isSafeToUnrollAndJam(Loop *L, ScalarEvolution &SE, DominatorTree &DT,
 
   // Check the loop safety info for exceptions.
   LoopSafetyInfo LSI;
-  computeLoopSafetyInfo(&LSI, L);
-  if (LSI.MayThrow) {
+  LSI.computeLoopSafetyInfo(L);
+  if (LSI.anyBlockMayThrow()) {
     LLVM_DEBUG(dbgs() << "Won't unroll-and-jam; Something may throw\n");
     return false;
   }