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From af4d115e2c9c4cfd8b099aaef9a13c2972c36272 Mon Sep 17 00:00:00 2001
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From: Tom Stellard <thomas.stellard@amd.com>
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Date: Thu, 6 Dec 2012 18:05:30 +0000
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Subject: [PATCH] LegalizeDAG: Allow type promotion for scalar stores
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---
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lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 ++++---
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1 file changed, 4 insertions(+), 3 deletions(-)
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diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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index abf40b7..9946694 100644
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--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
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@@ -731,9 +731,10 @@ void SelectionDAGLegalize::LegalizeStoreOps(SDNode *Node) {
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return;
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}
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case TargetLowering::Promote: {
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- assert(VT.isVector() && "Unknown legal promote case!");
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- Value = DAG.getNode(ISD::BITCAST, dl,
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- TLI.getTypeToPromoteTo(ISD::STORE, VT), Value);
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+ EVT NVT = TLI.getTypeToPromoteTo(ISD::STORE, VT);
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+ assert(NVT.getSizeInBits() == VT.getSizeInBits() &&
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+ "Can only promote stores to same size type");
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+ Value = DAG.getNode(ISD::BITCAST, dl, NVT, Value);
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SDValue Result =
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DAG.getStore(Chain, dl, Value, Ptr,
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ST->getPointerInfo(), isVolatile,
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--
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1.7.11.4
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