commit 484e48e3a3107c8b9827824fc40d5e644e79bf97
author Alexander Kornienko <alexfh@google.com> Thu Nov 05 21:07:12 2015 +0000
committer Alexander Kornienko <alexfh@google.com> Thu Nov 05 21:07:12 2015 +0000
tree 6504907b3e43dac62fe4361a91f4e88a0da59e28
parent b9ce5a8b6c06836418355fb6bbdcff5edde33fef

Refactor: Simplify boolean conditional return statements in llvm/lib/Analysis

Patch by Richard Thomson!

Differential revision: http://reviews.llvm.org/D9967

llvm-svn: 252209

llvm/lib/Analysis/BasicAliasAnalysis.cpp

diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
index 1f7e82d..e3c3364 100644
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -627,10 +627,7 @@
 
 static bool isAssumeIntrinsic(ImmutableCallSite CS) {
   const IntrinsicInst *II = dyn_cast<IntrinsicInst>(CS.getInstruction());
-  if (II && II->getIntrinsicID() == Intrinsic::assume)
-    return true;
-
-  return false;
+  return II && II->getIntrinsicID() == Intrinsic::assume;
 }
 
 #ifndef NDEBUG

llvm/lib/Analysis/CaptureTracking.cpp

diff --git a/llvm/lib/Analysis/CaptureTracking.cpp b/llvm/lib/Analysis/CaptureTracking.cpp
index 230a380..c717a8e 100644
--- a/llvm/lib/Analysis/CaptureTracking.cpp
+++ b/llvm/lib/Analysis/CaptureTracking.cpp
@@ -102,10 +102,7 @@
 
         SmallVector<BasicBlock*, 32> Worklist;
         Worklist.append(succ_begin(BB), succ_end(BB));
-        if (!isPotentiallyReachableFromMany(Worklist, BB, DT))
-          return true;
-
-        return false;
+        return !isPotentiallyReachableFromMany(Worklist, BB, DT);
       }
 
       // If the value is defined in the same basic block as use and BeforeHere,

llvm/lib/Analysis/CostModel.cpp

diff --git a/llvm/lib/Analysis/CostModel.cpp b/llvm/lib/Analysis/CostModel.cpp
index 604cc2a..b11f64d 100644
--- a/llvm/lib/Analysis/CostModel.cpp
+++ b/llvm/lib/Analysis/CostModel.cpp
@@ -152,10 +152,7 @@
     Mask[i] = val;
 
   SmallVector<int, 16> ActualMask = SI->getShuffleMask();
-  if (Mask != ActualMask)
-    return false;
-
-  return true;
+  return Mask == ActualMask;
 }
 
 static bool matchPairwiseReductionAtLevel(const BinaryOperator *BinOp,

llvm/lib/Analysis/ScalarEvolution.cpp

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index 53e63d7..0d4a62c 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -7419,12 +7419,9 @@
   // expensive; and using isKnownNonNegative(RHS) is sufficient for most of the
   // interesting cases seen in practice.  We can consider "upgrading" L >= 0 to
   // use isKnownPredicate later if needed.
-  if (isKnownNonNegative(RHS) &&
-      isKnownPredicate(CmpInst::ICMP_SGE, LHS, getZero(LHS->getType())) &&
-      isKnownPredicate(CmpInst::ICMP_SLT, LHS, RHS))
-    return true;
-
-  return false;
+  return isKnownNonNegative(RHS) &&
+         isKnownPredicate(CmpInst::ICMP_SGE, LHS, getZero(LHS->getType())) &&
+         isKnownPredicate(CmpInst::ICMP_SLT, LHS, RHS);
 }
 
 /// isLoopBackedgeGuardedByCond - Test whether the backedge of the loop is