Remove deprecated llvm.experimental.gc.result.{int,float,ptr} intrinsics.

Summary:
These were deprecated 11 months ago when a generic
llvm.experimental.gc.result intrinsic, which works for all types, was added.

Reviewers: sanjoy, reames

Subscribers: sanjoy, chenli, llvm-commits

Differential Revision: http://reviews.llvm.org/D15719

llvm-svn: 256262
diff --git a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
index 083aec3..5b3a764 100644
--- a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
+++ b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
@@ -477,14 +477,11 @@
 
   if (IntrinsicInst *II = dyn_cast<IntrinsicInst>(I)) {
     switch (II->getIntrinsicID()) {
-    case Intrinsic::experimental_gc_result_ptr:
     default:
       // fall through to general call handling
       break;
     case Intrinsic::experimental_gc_statepoint:
-    case Intrinsic::experimental_gc_result_float:
-    case Intrinsic::experimental_gc_result_int:
-      llvm_unreachable("these don't produce pointers");
+      llvm_unreachable("statepoints don't produce pointers");
     case Intrinsic::experimental_gc_relocate: {
       // Rerunning safepoint insertion after safepoints are already
       // inserted is not supported.  It could probably be made to work,