[llvm] r345850 - [ARM] Attempt to fix ppc64be buildbot

[Sam Parker via llvm-commits]

Author: sam_parker
Date: Thu Nov  1 09:44:45 2018
New Revision: 345850

URL: http://llvm.org/viewvc/llvm-project?rev=345850&view=rev
Log:
[ARM] Attempt to fix ppc64be buildbot

Modified:
    llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp

Modified: llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp?rev=345850&r1=345849&r2=345850&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp (original)
+++ llvm/trunk/lib/Target/ARM/ARMCodeGenPrepare.cpp Thu Nov  1 09:44:45 2018
@@ -633,8 +633,9 @@ void IRPromoter::TruncateSinks(SmallPtrS
     LLVM_DEBUG(dbgs() << "ARM CGP: Creating " << *TruncTy << " Trunc for "
                << *V << "\n");
     Builder.SetInsertPoint(cast<Instruction>(V));
-    auto *Trunc = cast<Instruction>(Builder.CreateTrunc(V, TruncTy));
-    NewInsts.insert(Trunc);
+    auto *Trunc = dyn_cast<Instruction>(Builder.CreateTrunc(V, TruncTy));
+    if (Trunc)
+      NewInsts.insert(Trunc);
     return Trunc;
   };