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fix a bug I introduced that broke recursive expansion of nodes (e.g. scalarizing...
author
Chris Lattner
<sabre@nondot.org>
Wed, 21 Dec 2005 18:02:52 +0000
(18:02 +0000)
committer
Chris Lattner
<sabre@nondot.org>
Wed, 21 Dec 2005 18:02:52 +0000
(18:02 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24905
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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diff --git
a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index a1bd7e832f862b5b145f5c200d24d48b7ffb6014..69ed69cc643422b184a1cc8233069160556a5326 100644
(file)
--- a/
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@
-3827,9
+3827,12
@@
void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
std::make_pair(Lo, Hi))).second;
assert(isNew && "Value already expanded?!?");
- // Make sure the resultant values have been legalized themselves.
- Lo = LegalizeOp(Lo);
- Hi = LegalizeOp(Hi);
+ // Make sure the resultant values have been legalized themselves, unless this
+ // is a type that requires multi-step expansion.
+ if (getTypeAction(NVT) != Expand && NVT != MVT::isVoid) {
+ Lo = LegalizeOp(Lo);
+ Hi = LegalizeOp(Hi);
+ }
}