InstSimplify: Don't bother if getScalarSizeInBits returns zero

[oota-llvm.git] / lib / Analysis / NoAliasAnalysis.cpp

diff --git a/lib/Analysis/NoAliasAnalysis.cpp b/lib/Analysis/NoAliasAnalysis.cpp
index 4e11e50e2899eb5921ffa8be1d583dd591004f37..c214d3cdf17a4e1359bed39714f49aab55e8b029 100644 (file)
--- a/lib/Analysis/NoAliasAnalysis.cpp
+++ b/lib/Analysis/NoAliasAnalysis.cpp
@@ -15,6 +15,7 @@
 #include "llvm/Analysis/Passes.h"
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/IR/DataLayout.h"
+#include "llvm/IR/LLVMContext.h"
 #include "llvm/Pass.h"
 using namespace llvm;
 
@@ -53,6 +54,14 @@ namespace {
     bool pointsToConstantMemory(const Location &Loc, bool OrLocal) override {
       return false;
     }
+    Location getArgLocation(ImmutableCallSite CS, unsigned ArgIdx,
+                            ModRefResult &Mask) override {
+      Mask = ModRef;
+      AAMDNodes AATags;
+      CS->getAAMetadata(AATags);
+      return Location(CS.getArgument(ArgIdx), UnknownSize, AATags);
+    }
+
     ModRefResult getModRefInfo(ImmutableCallSite CS,
                                const Location &Loc) override {
       return ModRef;