[llvm] r290787 - [Inliner] remove unnecessary null checks from AddAlignmentAssumptions(); NFCI

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Sat Dec 31 11:54:05 2016
New Revision: 290787

URL: http://llvm.org/viewvc/llvm-project?rev=290787&view=rev
Log:
[Inliner] remove unnecessary null checks from AddAlignmentAssumptions(); NFCI

We bail out on the 1st line if the assumption cache is not set, so there's
no need to check it after that.

Modified:
    llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp

Modified: llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp?rev=290787&r1=290786&r2=290787&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/InlineFunction.cpp Sat Dec 31 11:54:05 2016
@@ -1097,9 +1097,8 @@ static void AddAliasScopeMetadata(CallSi
 static void AddAlignmentAssumptions(CallSite CS, InlineFunctionInfo &IFI) {
   if (!PreserveAlignmentAssumptions || !IFI.GetAssumptionCache)
     return;
-  AssumptionCache *AC = IFI.GetAssumptionCache
-                            ? &(*IFI.GetAssumptionCache)(*CS.getCaller())
-                            : nullptr;
+
+  AssumptionCache *AC = &(*IFI.GetAssumptionCache)(*CS.getCaller());
   auto &DL = CS.getCaller()->getParent()->getDataLayout();
 
   // To avoid inserting redundant assumptions, we should check for assumptions
@@ -1127,8 +1126,7 @@ static void AddAlignmentAssumptions(Call
 
       CallInst *NewAssumption = IRBuilder<>(CS.getInstruction())
                                     .CreateAlignmentAssumption(DL, Arg, Align);
-      if (AC)
-        AC->registerAssumption(NewAssumption);
+      AC->registerAssumption(NewAssumption);
     }
   }
 }