SCEVExpander: give new insts a name that identifies the reponsible pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133992 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 4 insertions, 4 deletions

diff --git a/lib/Transforms/Scalar/IndVarSimplify.cpp b/lib/Transforms/Scalar/IndVarSimplify.cpp
index 5876380..a2f2490 100644
--- a/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -1169,7 +1169,7 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
   const SCEV *BackedgeTakenCount = SE->getBackedgeTakenCount(L);
 
   // Create a rewriter object which we'll use to transform the code with.
-  SCEVExpander Rewriter(*SE);
+  SCEVExpander Rewriter(*SE, "indvars");
 
   // Eliminate redundant IV users.
   //
diff --git a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
index 2fc114c..a7bc0e0 100644
--- a/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
+++ b/lib/Transforms/Scalar/LoopIdiomRecognize.cpp
@@ -467,7 +467,7 @@ processLoopStridedStore(Value *DestPtr, unsigned StoreSize,
   // header.  This allows us to insert code for it in the preheader.
   BasicBlock *Preheader = CurLoop->getLoopPreheader();
   IRBuilder<> Builder(Preheader->getTerminator());
-  SCEVExpander Expander(*SE);
+  SCEVExpander Expander(*SE, "loop-idiom");
 
   // Okay, we have a strided store "p[i]" of a splattable value.  We can turn
   // this into a memset in the loop preheader now if we want.  However, this
@@ -556,7 +556,7 @@ processLoopStoreOfLoopLoad(StoreInst *SI, unsigned StoreSize,
   // header.  This allows us to insert code for it in the preheader.
   BasicBlock *Preheader = CurLoop->getLoopPreheader();
   IRBuilder<> Builder(Preheader->getTerminator());
-  SCEVExpander Expander(*SE);
+  SCEVExpander Expander(*SE, "loop-idiom");
 
   // Okay, we have a strided store "p[i]" of a loaded value.  We can turn
   // this into a memcpy in the loop preheader now if we want.  However, this
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
index afa0bf8..c6ca99a 100644
--- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp
+++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp
@@ -3698,7 +3698,7 @@ LSRInstance::ImplementSolution(const SmallVectorImpl<const Formula *> &Solution,
   // we can remove them after we are done working.
   SmallVector<WeakVH, 16> DeadInsts;
 
-  SCEVExpander Rewriter(SE);
+  SCEVExpander Rewriter(SE, "lsr");
   Rewriter.disableCanonicalMode();
   Rewriter.setIVIncInsertPos(L, IVIncInsertPos);