Fix a thinko. If the operand is promoted, pass the promoted value into
the new zero extend, not the original operand. This fixes cast bool -> long
on ppc.
Add an unrelated fixme
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21196 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 74e807c..f33ecd7 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -767,6 +767,10 @@
if (N2C->isAllOnesValue())
return N1; // X and -1 -> X
+ // FIXME: Should add a corresponding version of this for
+ // ZERO_EXTEND/SIGN_EXTEND by converting them to an ANY_EXTEND node which
+ // we don't have yet.
+
// and (zero_extend_inreg x:16:32), 1 -> and x, 1
if (N1.getOpcode() == ISD::ZERO_EXTEND_INREG ||
N1.getOpcode() == ISD::SIGN_EXTEND_INREG) {