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authorChris Lattner <sabre@nondot.org>2005-05-12 06:54:21 +0000
committerChris Lattner <sabre@nondot.org>2005-05-12 06:54:21 +0000
commit44d105b7faf5672a2af61a3f0fdfed0d437d5777 (patch)
treeff8eec5a042d0f4d9e03c7910166a50d3a65af4c
parent6980d8295f415caa752b45c745c25a9be0079a9a (diff)
Make sure to expand all nodes, avoiding unintentional node duplication.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21889 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeDAG.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index b8c4315e51..5cc148a84f 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -2168,6 +2168,13 @@ ExpandIntToFP(bool isSigned, MVT::ValueType DestTy, SDOperand Source) {
TargetLowering::ArgListTy Args;
const Type *ArgTy = MVT::getTypeForValueType(Source.getValueType());
+
+ // Expand the source, then glue it back together for the call. We must expand
+ // the source in case it is shared (this pass of legalize must traverse it).
+ SDOperand SrcLo, SrcHi;
+ ExpandOp(Source, SrcLo, SrcHi);
+ Source = DAG.getNode(ISD::BUILD_PAIR, Source.getValueType(), SrcLo, SrcHi);
+
Args.push_back(std::make_pair(Source, ArgTy));
// We don't care about token chains for libcalls. We just use the entry