fix a subtle bug I introduced when refactoring SCCP. Testcase
to follow.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85903 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index fb6101b..2ee4bbc 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -107,7 +107,7 @@
/// markConstant - Return true if this is a change in status.
bool markConstant(Constant *V) {
- if (isConstant()) {
+ if (getLatticeValue() == constant) { // Constant but not forcedconstant.
assert(getConstant() == V && "Marking constant with different value");
return false;
}