[Statepoints] Refactor GCRelocateOperands into an intrinsic wrapper. NFC.

Summary:
This commit renames GCRelocateOperands to GCRelocateInst and makes it an
intrinsic wrapper, similar to e.g. MemCpyInst.  Also, all users of
GCRelocateOperands were changed to use the new intrinsic wrapper instead.

Reviewers: sanjoy, reames

Subscribers: reames, sanjoy, llvm-commits

Differential Revision: http://reviews.llvm.org/D15762

llvm-svn: 256811

1 files changed, 3 insertions, 6 deletions

diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp
index ef045dc16bb..abc57ed8bca 100644
--- a/llvm/lib/Analysis/ValueTracking.cpp
+++ b/llvm/lib/Analysis/ValueTracking.cpp
@@ -3274,12 +3274,9 @@ static bool isDereferenceableAndAlignedPointer(
   }
 
   // For gc.relocate, look through relocations
-  if (const IntrinsicInst *I = dyn_cast<IntrinsicInst>(V))
-    if (I->getIntrinsicID() == Intrinsic::experimental_gc_relocate) {
-      GCRelocateOperands RelocateInst(I);
-      return isDereferenceableAndAlignedPointer(
-          RelocateInst.getDerivedPtr(), Align, DL, CtxI, DT, TLI, Visited);
-    }
+  if (const GCRelocateInst *RelocateInst = dyn_cast<GCRelocateInst>(V))
+    return isDereferenceableAndAlignedPointer(
+        RelocateInst->getDerivedPtr(), Align, DL, CtxI, DT, TLI, Visited);
 
   if (const AddrSpaceCastInst *ASC = dyn_cast<AddrSpaceCastInst>(V))
     return isDereferenceableAndAlignedPointer(ASC->getOperand(0), Align, DL,