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authorChris Lattner <sabre@nondot.org>2006-04-16 01:36:45 +0000
committerChris Lattner <sabre@nondot.org>2006-04-16 01:36:45 +0000
commit2efce0a589e2a688a1a06b5dc2ed0db32ae79924 (patch)
tree22d763d80dcc82d02633a87500be6e814d097e7a
parentb17f1679e3ce2b40fc2141fc50ef3def4bbd00bc (diff)
Add support for promoting stores from one legal type to another, allowing us
to write one pattern for vector stores instead of 4. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27730 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/CodeGen/SelectionDAG/LegalizeDAG.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 9b2d5508b7..7cf71418fa 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -1544,6 +1544,13 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
Tmp1 = TLI.LowerOperation(Result, DAG);
if (Tmp1.Val) Result = Tmp1;
break;
+ case TargetLowering::Promote:
+ assert(MVT::isVector(VT) && "Unknown legal promote case!");
+ Tmp3 = DAG.getNode(ISD::BIT_CONVERT,
+ TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3);
+ Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2,
+ Node->getOperand(3));
+ break;
}
break;
}
@@ -1576,6 +1583,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
Tmp3 = PackVectorOp(Node->getOperand(1), TVT);
Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2,
Node->getOperand(3));
+ Result = LegalizeOp(Result);
break;
} else if (NumElems == 1) {
// Turn this into a normal store of the scalar type.