Revert r212572 "improve BasicAA CS-CS queries", it causes PR20303.

llvm-svn: 213024

1 files changed, 0 insertions, 8 deletions

diff --git a/llvm/lib/Analysis/NoAliasAnalysis.cpp b/llvm/lib/Analysis/NoAliasAnalysis.cpp
index 139fa38b8a9..4e11e50e289 100644
--- a/llvm/lib/Analysis/NoAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/NoAliasAnalysis.cpp
@@ -15,7 +15,6 @@
 #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;
 
@@ -54,13 +53,6 @@ namespace {
     bool pointsToConstantMemory(const Location &Loc, bool OrLocal) override {
       return false;
     }
-    Location getArgLocation(ImmutableCallSite CS, unsigned ArgIdx,
-                            ModRefResult &Mask) override {
-      Mask = ModRef;
-      return Location(CS.getArgument(ArgIdx), UnknownSize,
-                      CS.getInstruction()->getMetadata(LLVMContext::MD_tbaa));
-    }
-
     ModRefResult getModRefInfo(ImmutableCallSite CS,
                                const Location &Loc) override {
       return ModRef;