disable value insertion for now, I need to figure out how
to inform GVN about the newly inserted values. This fixes
PR5631.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90022 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Transforms/Scalar/GVN.cpp b/lib/Transforms/Scalar/GVN.cpp
index 18cfd22..cdc3a4e 100644
--- a/lib/Transforms/Scalar/GVN.cpp
+++ b/lib/Transforms/Scalar/GVN.cpp
@@ -1437,10 +1437,16 @@
//
// FIXME: This may insert a computation, but we don't tell scalar GVN
// optimization stuff about it. How do we do this?
+#if 0
Value *LoadPtr =
MD->InsertPHITranslatedPointer(LI->getOperand(0), LoadBB,
UnavailablePred, TD, *DT);
-
+#else
+ Value *LoadPtr =
+ MD->GetAvailablePHITranslatedValue(LI->getOperand(0), LoadBB,
+ UnavailablePred, TD, *DT);
+#endif
+
// If we couldn't find or insert a computation of this phi translated value,
// we fail PRE.
if (LoadPtr == 0) {