[llvm] r244045 - [AA] Use CallSite cast idiom. No functionality change.

[Benjamin Kramer]

Author: d0k
Date: Wed Aug  5 09:16:44 2015
New Revision: 244045

URL: http://llvm.org/viewvc/llvm-project?rev=244045&view=rev
Log:
[AA] Use CallSite cast idiom. No functionality change.

Modified:
    llvm/trunk/lib/Analysis/AliasAnalysis.cpp

Modified: llvm/trunk/lib/Analysis/AliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/AliasAnalysis.cpp?rev=244045&r1=244044&r2=244045&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/AliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/AliasAnalysis.cpp Wed Aug  5 09:16:44 2015
@@ -455,9 +455,8 @@ bool AliasAnalysis::canInstructionRangeM
 /// isNoAliasCall - Return true if this pointer is returned by a noalias
 /// function.
 bool llvm::isNoAliasCall(const Value *V) {
-  if (isa<CallInst>(V) || isa<InvokeInst>(V))
-    return ImmutableCallSite(cast<Instruction>(V))
-      .paramHasAttr(0, Attribute::NoAlias);
+  if (auto CS = ImmutableCallSite(V))
+    return CS.paramHasAttr(0, Attribute::NoAlias);
   return false;
 }