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LegalizeDAG: Allow type promotion for scalar stores

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169772 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tom Stellard 2012-12-10 21:41:54 +00:00
parent d1d92bf953
commit 8b7f16e971
1 changed files with 4 additions and 3 deletions
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7
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@ -731,9 +731,10 @@ void SelectionDAGLegalize::LegalizeStoreOps(SDNode *Node) {
return;
}
case TargetLowering::Promote: {
assert(VT.isVector() && "Unknown legal promote case!");
Value = DAG.getNode(ISD::BITCAST, dl,
TLI.getTypeToPromoteTo(ISD::STORE, VT), Value);
EVT NVT = TLI.getTypeToPromoteTo(ISD::STORE, VT);
assert(NVT.getSizeInBits() == VT.getSizeInBits() &&
"Can only promote stores to same size type");
Value = DAG.getNode(ISD::BITCAST, dl, NVT, Value);
SDValue Result =
DAG.getStore(Chain, dl, Value, Ptr,
ST->getPointerInfo(), isVolatile,