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| author | Chris Lattner <sabre@nondot.org> | 2005-12-21 18:02:52 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-12-21 18:02:52 +0000 |
| commit | 83397363348662e9352455ea1e6e88e7026300a4 (patch) | |
| tree | 693fa9fb65e49cff9f9f75adab1bc41893653494 /lib/CodeGen | |
| parent | 7aa6189629bc85cb50bc57a2c2d7a5505176fa2b (diff) | |
| download | external_llvm-83397363348662e9352455ea1e6e88e7026300a4.zip external_llvm-83397363348662e9352455ea1e6e88e7026300a4.tar.gz external_llvm-83397363348662e9352455ea1e6e88e7026300a4.tar.bz2 | |
fix a bug I introduced that broke recursive expansion of nodes (e.g. scalarizing vectors)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24905 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index a1bd7e8..69ed69c 100644 --- 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); + } } |