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Fix CodeGen/PowerPC/2006-12-07-SelectCrash.ll on PPC64
author
Chris Lattner
<sabre@nondot.org>
Thu, 7 Dec 2006 22:36:47 +0000
(22:36 +0000)
committer
Chris Lattner
<sabre@nondot.org>
Thu, 7 Dec 2006 22:36:47 +0000
(22:36 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32336
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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diff --git
a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index b8439a62beef8e49647b693f2c60ea0d4835dc16..4b7c494781f7779bb5a84075f75153c33179894b 100644
(file)
--- a/
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@
-3755,7
+3755,10
@@
SDOperand DAGCombiner::SimplifySelectCC(SDOperand N0, SDOperand N1,
// cast from setcc result type to select result type
if (AfterLegalize) {
SCC = DAG.getSetCC(TLI.getSetCCResultTy(), N0, N1, CC);
- Temp = DAG.getZeroExtendInReg(SCC, N2.getValueType());
+ if (N2.getValueType() < SCC.getValueType())
+ Temp = DAG.getZeroExtendInReg(SCC, N2.getValueType());
+ else
+ Temp = DAG.getNode(ISD::ZERO_EXTEND, N2.getValueType(), SCC);
} else {
SCC = DAG.getSetCC(MVT::i1, N0, N1, CC);
Temp = DAG.getNode(ISD::ZERO_EXTEND, N2.getValueType(), SCC);