[PATCH] Refactor: Simplify boolean expressions in lib/Analysis

[Richard]

Hi alexfh, sunfish, chandlerc, resistor, nicholas, nlewycky, baldrick, bkramer,

Simplify boolean expressions using `true` and `false` with `clang-tidy`

http://reviews.llvm.org/D8528

Files:
  lib/Analysis/ScalarEvolution.cpp

Index: lib/Analysis/ScalarEvolution.cpp
===================================================================
--- lib/Analysis/ScalarEvolution.cpp
+++ lib/Analysis/ScalarEvolution.cpp
@@ -5308,12 +5308,9 @@
   if (!L->contains(I)) return false;
 
   if (isa<PHINode>(I)) {
-    if (L->getHeader() == I->getParent())
-      return true;
-    else
-      // We don't currently keep track of the control flow needed to evaluate
-      // PHIs, so we cannot handle PHIs inside of loops.
-      return false;
+    // We don't currently keep track of the control flow needed to evaluate
+    // PHIs, so we cannot handle PHIs inside of loops.
+    return L->getHeader() == I->getParent();
   }
 
   // If we won't be able to constant fold this expression even if the operands

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