Fix a bug that clobbered the step value on some inputs
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1416 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/InductionVariable.cpp b/lib/Analysis/InductionVariable.cpp
index a340a77..d88c9cf 100644
--- a/lib/Analysis/InductionVariable.cpp
+++ b/lib/Analysis/InductionVariable.cpp
@@ -69,6 +69,10 @@
//
if (Phi->getNumIncomingValues() != 2) return;
+ // FIXME: Handle FP induction variables.
+ if (Phi->getType() == Type::FloatTy || Phi->getType() == Type::DoubleTy)
+ return;
+
// If we have loop information, make sure that this PHI node is in the header
// of a loop...
//
@@ -140,11 +144,10 @@
Step = (Value*)StepE.Offset;
else
Step = Constant::getNullConstant(Step->getType());
+ const Type *ETy = Phi->getType();
+ if (ETy->isPointerType()) ETy = Type::ULongTy;
+ Step = (Value*)(StepE.Offset ? StepE.Offset : ConstantInt::get(ETy,0));
}
-
- const Type *ETy = Phi->getType();
- if (ETy->isPointerType()) ETy = Type::ULongTy;
- Step = (Value*)(StepE.Offset ? StepE.Offset : ConstantInt::get(ETy, 0));
}
}