[llvm] r248607 - [SCEV] Extract helper function from isImpliedCond; NFC

[Sanjoy Das via llvm-commits]

Author: sanjoy
Date: Fri Sep 25 14:59:52 2015
New Revision: 248607

URL: http://llvm.org/viewvc/llvm-project?rev=248607&view=rev
Log:
[SCEV] Extract helper function from isImpliedCond; NFC

Summary:
This new helper routine will be used in a subsequent change.

Reviewers: hfinkel

Subscribers: hfinkel, sanjoy, llvm-commits

Differential Revision: http://reviews.llvm.org/D12949

Modified:
    llvm/trunk/include/llvm/Analysis/ScalarEvolution.h
    llvm/trunk/lib/Analysis/ScalarEvolution.cpp

Modified: llvm/trunk/include/llvm/Analysis/ScalarEvolution.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/ScalarEvolution.h?rev=248607&r1=248606&r2=248607&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/ScalarEvolution.h (original)
+++ llvm/trunk/include/llvm/Analysis/ScalarEvolution.h Fri Sep 25 14:59:52 2015
@@ -507,6 +507,13 @@ namespace llvm {
                        bool Inverse);
 
     /// Test whether the condition described by Pred, LHS, and RHS is true
+    /// whenever the condition described by FoundPred, FoundLHS, FoundRHS is
+    /// true.
+    bool isImpliedCond(ICmpInst::Predicate Pred, const SCEV *LHS,
+                       const SCEV *RHS, ICmpInst::Predicate FoundPred,
+                       const SCEV *FoundLHS, const SCEV *FoundRHS);
+
+    /// Test whether the condition described by Pred, LHS, and RHS is true
     /// whenever the condition described by Pred, FoundLHS, and FoundRHS is
     /// true.
     bool isImpliedCondOperands(ICmpInst::Predicate Pred,

Modified: llvm/trunk/lib/Analysis/ScalarEvolution.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/ScalarEvolution.cpp?rev=248607&r1=248606&r2=248607&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/ScalarEvolution.cpp (original)
+++ llvm/trunk/lib/Analysis/ScalarEvolution.cpp Fri Sep 25 14:59:52 2015
@@ -7151,6 +7151,14 @@ bool ScalarEvolution::isImpliedCond(ICmp
   const SCEV *FoundLHS = getSCEV(ICI->getOperand(0));
   const SCEV *FoundRHS = getSCEV(ICI->getOperand(1));
 
+  return isImpliedCond(Pred, LHS, RHS, FoundPred, FoundLHS, FoundRHS);
+}
+
+bool ScalarEvolution::isImpliedCond(ICmpInst::Predicate Pred, const SCEV *LHS,
+                                    const SCEV *RHS,
+                                    ICmpInst::Predicate FoundPred,
+                                    const SCEV *FoundLHS,
+                                    const SCEV *FoundRHS) {
   // Balance the types.
   if (getTypeSizeInBits(LHS->getType()) <
       getTypeSizeInBits(FoundLHS->getType())) {