[llvm] r272848 - fix comments; NFC

[Sanjay Patel via llvm-commits]

Author: spatel
Date: Wed Jun 15 17:01:28 2016
New Revision: 272848

URL: http://llvm.org/viewvc/llvm-project?rev=272848&view=rev
Log:
fix comments; NFC

Modified:
    llvm/trunk/lib/IR/AutoUpgrade.cpp

Modified: llvm/trunk/lib/IR/AutoUpgrade.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AutoUpgrade.cpp?rev=272848&r1=272847&r2=272848&view=diff
==============================================================================
--- llvm/trunk/lib/IR/AutoUpgrade.cpp (original)
+++ llvm/trunk/lib/IR/AutoUpgrade.cpp Wed Jun 15 17:01:28 2016
@@ -518,9 +518,8 @@ static Value *UpgradeMaskedLoad(IRBuilde
   return Builder.CreateMaskedLoad(Ptr, Align, Mask, Passthru);
 }
 
-// UpgradeIntrinsicCall - Upgrade a call to an old intrinsic to be a call the
-// upgraded intrinsic. All argument and return casting must be provided in
-// order to seamlessly integrate with existing context.
+/// Upgrade a call to an old intrinsic. All argument and return casting must be
+/// provided to seamlessly integrate with existing context.
 void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
   Function *F = CI->getCalledFunction();
   LLVMContext &C = CI->getContext();
@@ -534,18 +533,16 @@ void llvm::UpgradeIntrinsicCall(CallInst
     StringRef Name = F->getName();
 
     Value *Rep;
-    // Upgrade packed integer vector compares intrinsics to compare instructions
+    // Upgrade packed integer vector compare intrinsics to compare instructions.
     if (Name.startswith("llvm.x86.sse2.pcmpeq.") ||
         Name.startswith("llvm.x86.avx2.pcmpeq.")) {
       Rep = Builder.CreateICmpEQ(CI->getArgOperand(0), CI->getArgOperand(1),
                                  "pcmpeq");
-      // need to sign extend since icmp returns vector of i1
       Rep = Builder.CreateSExt(Rep, CI->getType(), "");
     } else if (Name.startswith("llvm.x86.sse2.pcmpgt.") ||
                Name.startswith("llvm.x86.avx2.pcmpgt.")) {
       Rep = Builder.CreateICmpSGT(CI->getArgOperand(0), CI->getArgOperand(1),
                                   "pcmpgt");
-      // need to sign extend since icmp returns vector of i1
       Rep = Builder.CreateSExt(Rep, CI->getType(), "");
     } else if (Name == "llvm.x86.sse2.cvtdq2pd" ||
                Name == "llvm.x86.sse2.cvtps2pd" ||