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authorChris Lattner <sabre@nondot.org>2005-04-10 01:13:15 +0000
committerChris Lattner <sabre@nondot.org>2005-04-10 01:13:15 +0000
commitdea29e25c32d2651e2efaff67bc30803ea24d991 (patch)
treeadf4e8d1535544668ba651f1146b11a214618efc /lib/CodeGen/SelectionDAG/SelectionDAG.cpp
parent51d2ed976f30913e173536e244d9f0e7259e4b1e (diff)
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
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/SelectionDAG.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 74e807ca82..f33ecd7223 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -767,6 +767,10 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT,
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) {