[llvm] r302991 - [ValueTracking] Remove const_casts on several calls to computeKnownBits and ComputeSignBit. NFC

[Craig Topper via llvm-commits]

Author: ctopper
Date: Sat May 13 12:22:16 2017
New Revision: 302991

URL: http://llvm.org/viewvc/llvm-project?rev=302991&view=rev
Log:
[ValueTracking] Remove const_casts on several calls to computeKnownBits and ComputeSignBit. NFC

Modified:
    llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp
    llvm/trunk/lib/Analysis/DemandedBits.cpp
    llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp

Modified: llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp?rev=302991&r1=302990&r2=302991&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/BasicAliasAnalysis.cpp Sat May 13 12:22:16 2017
@@ -1284,8 +1284,7 @@ AliasResult BasicAAResult::aliasGEP(cons
         const Value *V = DecompGEP1.VarIndices[i].V;
 
         bool SignKnownZero, SignKnownOne;
-        ComputeSignBit(const_cast<Value *>(V), SignKnownZero, SignKnownOne, DL,
-                       0, &AC, nullptr, DT);
+        ComputeSignBit(V, SignKnownZero, SignKnownOne, DL, 0, &AC, nullptr, DT);
 
         // Zero-extension widens the variable, and so forces the sign
         // bit to zero.

Modified: llvm/trunk/lib/Analysis/DemandedBits.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/DemandedBits.cpp?rev=302991&r1=302990&r2=302991&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/DemandedBits.cpp (original)
+++ llvm/trunk/lib/Analysis/DemandedBits.cpp Sat May 13 12:22:16 2017
@@ -86,13 +86,11 @@ void DemandedBits::determineLiveOperandB
       [&](unsigned BitWidth, const Value *V1, const Value *V2) {
         const DataLayout &DL = I->getModule()->getDataLayout();
         Known = KnownBits(BitWidth);
-        computeKnownBits(const_cast<Value *>(V1), Known, DL, 0,
-                         &AC, UserI, &DT);
+        computeKnownBits(V1, Known, DL, 0, &AC, UserI, &DT);
 
         if (V2) {
           Known2 = KnownBits(BitWidth);
-          computeKnownBits(const_cast<Value *>(V2), Known2, DL,
-                           0, &AC, UserI, &DT);
+          computeKnownBits(V2, Known2, DL, 0, &AC, UserI, &DT);
         }
       };
 

Modified: llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp?rev=302991&r1=302990&r2=302991&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/SelectionDAG.cpp Sat May 13 12:22:16 2017
@@ -7513,8 +7513,7 @@ unsigned SelectionDAG::InferPtrAlignment
   if (TLI->isGAPlusOffset(Ptr.getNode(), GV, GVOffset)) {
     unsigned PtrWidth = getDataLayout().getPointerTypeSizeInBits(GV->getType());
     KnownBits Known(PtrWidth);
-    llvm::computeKnownBits(const_cast<GlobalValue *>(GV), Known,
-                           getDataLayout());
+    llvm::computeKnownBits(GV, Known, getDataLayout());
     unsigned AlignBits = Known.countMinTrailingZeros();
     unsigned Align = AlignBits ? 1 << std::min(31U, AlignBits) : 0;
     if (Align)