[PATCH] D12949: [SCEV] Split out a helper function from isImpliedCond; NFC.
Sanjoy Das via llvm-commits
llvm-commits at lists.llvm.org
Thu Sep 17 19:47:04 PDT 2015
sanjoy updated this revision to Diff 35056.
sanjoy added a comment.
- move a test case I had accidentally added to this change
http://reviews.llvm.org/D12949
Files:
include/llvm/Analysis/ScalarEvolution.h
lib/Analysis/ScalarEvolution.cpp
Index: lib/Analysis/ScalarEvolution.cpp
===================================================================
--- lib/Analysis/ScalarEvolution.cpp
+++ lib/Analysis/ScalarEvolution.cpp
@@ -7162,6 +7162,14 @@
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())) {
Index: include/llvm/Analysis/ScalarEvolution.h
===================================================================
--- include/llvm/Analysis/ScalarEvolution.h
+++ include/llvm/Analysis/ScalarEvolution.h
@@ -507,6 +507,13 @@
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,
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