Back out 60748 for now. It's breaking SPASS, 254.gap, and 464.h264ref.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60776 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index c9af6de..2b714de 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -2924,12 +2924,8 @@
if (!R)
return true;
- if (isSigned) {
- if (SC->getValue()->isOne())
- return R->getValue()->isMaxValue(true);
-
+ if (isSigned)
return true; // XXX: because we don't have an sdiv scev.
- }
// If negative, it wraps around every iteration, but we don't care about that.
APInt S = SC->getValue()->getValue().abs();