Revert "This patch builds on top of D13378 to handle constant condition."

This reverts commit r249431. This caused failures in sqlite3: http://lab.llvm.org:8011/builders/clang-native-arm-lnt/builds/14453

llvm-svn: 249528

1 files changed, 0 insertions, 5 deletions

diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index caa0899f6a9..9715d83fd10 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -3904,11 +3904,6 @@ const SCEV *ScalarEvolution::createNodeForSelectOrPHI(Instruction *I,
                                                       Value *Cond,
                                                       Value *TrueVal,
                                                       Value *FalseVal) {
-  // Handle "constant" branch or select. This can occur for instance when a
-  // loop pass transforms an inner loop and moves on to process the outer loop.
-  if (auto *CI = dyn_cast<ConstantInt>(Cond))
-    return getSCEV(CI->isOne() ? TrueVal : FalseVal);
-
   // Try to match some simple smax or umax patterns.
   auto *ICI = dyn_cast<ICmpInst>(Cond);
   if (!ICI)