[llvm] r308055 - [AMDGPU] Throw away more dead code. NFCI.

[Davide Italiano via llvm-commits]

Author: davide
Date: Fri Jul 14 14:20:29 2017
New Revision: 308055

URL: http://llvm.org/viewvc/llvm-project?rev=308055&view=rev
Log:
[AMDGPU] Throw away more dead code. NFCI.

Modified:
    llvm/trunk/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp

Modified: llvm/trunk/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp?rev=308055&r1=308054&r2=308055&view=diff
==============================================================================
--- llvm/trunk/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp (original)
+++ llvm/trunk/lib/Target/AMDGPU/AMDGPUAnnotateKernelFeatures.cpp Fri Jul 14 14:20:29 2017
@@ -35,8 +35,6 @@ private:
 
   bool addFeatureAttributes(Function &F);
 
-  void addAttrToCallers(Function &Intrin, StringRef AttrName);
-
 public:
   static char ID;
 
@@ -255,20 +253,6 @@ bool AMDGPUAnnotateKernelFeatures::addFe
   return Changed;
 }
 
-void AMDGPUAnnotateKernelFeatures::addAttrToCallers(Function &Intrin,
-                                                    StringRef AttrName) {
-  SmallPtrSet<Function *, 4> SeenFuncs;
-
-  for (User *U : Intrin.users()) {
-    // CallInst is the only valid user for an intrinsic.
-    CallInst *CI = cast<CallInst>(U);
-
-    Function *CallingFunction = CI->getParent()->getParent();
-    if (SeenFuncs.insert(CallingFunction).second)
-      CallingFunction->addFnAttr(AttrName);
-  }
-}
-
 bool AMDGPUAnnotateKernelFeatures::runOnSCC(CallGraphSCC &SCC) {
   Module &M = SCC.getCallGraph().getModule();
   Triple TT(M.getTargetTriple());