Reverted r143600 - selector reference change

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143646 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 15 deletions

diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index a2fd3c46bf..a240667f7d 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -1232,19 +1232,6 @@ bool MachineInstr::hasVolatileMemoryRef() const {
   return false;
 }
 
-/// pointsToRuntimeConstantMemory - Return true if this value points to data
-/// which does never changes once the program starts running
-static bool pointsToRuntimeConstantMemory(const Value *V) {
-  if (const GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
-    StringRef Name = GV->getName();
-    // These special values are known to be constant at runtime
-    // TODO: a new linkage type for these would be far better than this check
-    if (Name.startswith("\01L_OBJC_SELECTOR_REFERENCES_"))
-      return true;
-  }
-  return false;
-}
-
 /// isInvariantLoad - Return true if this instruction is loading from a
 /// location whose value is invariant across the function.  For example,
 /// loading a value from the constant pool or from the argument area
@@ -1272,8 +1259,6 @@ bool MachineInstr::isInvariantLoad(AliasAnalysis *AA) const {
       if (const PseudoSourceValue *PSV = dyn_cast<PseudoSourceValue>(V))
         if (PSV->isConstant(MFI))
           continue;
-      if (pointsToRuntimeConstantMemory(V))
-        continue;
       // If we have an AliasAnalysis, ask it whether the memory is constant.
       if (AA && AA->pointsToConstantMemory(
                       AliasAnalysis::Location(V, (*I)->getSize(),