[LoopUtils] Use InstSimplifyFolder in addRuntimeChecks.

Use the InstSimplifyFolder introduced earlier to perform initial
simplification during runtime check construction.

1 files changed, 4 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Utils/LoopUtils.cpp b/llvm/lib/Transforms/Utils/LoopUtils.cpp
index 93157bd..95db2fe8 100644
--- a/llvm/lib/Transforms/Utils/LoopUtils.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUtils.cpp
@@ -22,6 +22,7 @@
 #include "llvm/Analysis/BasicAliasAnalysis.h"
 #include "llvm/Analysis/DomTreeUpdater.h"
 #include "llvm/Analysis/GlobalsModRef.h"
+#include "llvm/Analysis/InstSimplifyFolder.h"
 #include "llvm/Analysis/InstructionSimplify.h"
 #include "llvm/Analysis/LoopAccessAnalysis.h"
 #include "llvm/Analysis/LoopInfo.h"
@@ -1567,7 +1568,9 @@ Value *llvm::addRuntimeChecks(
   auto ExpandedChecks = expandBounds(PointerChecks, TheLoop, Loc, Exp);
 
   LLVMContext &Ctx = Loc->getContext();
-  IRBuilder<> ChkBuilder(Loc);
+  IRBuilder<InstSimplifyFolder> ChkBuilder(Ctx,
+                                           Loc->getModule()->getDataLayout());
+  ChkBuilder.SetInsertPoint(Loc);
   // Our instructions might fold to a constant.
   Value *MemoryRuntimeCheck = nullptr;