From 831cdb83e03319eeb36b6249e20e2908672397c2 Mon Sep 17 00:00:00 2001
From: Tom Stellard <thomas.stellard@amd.com>
Date: Thu, 6 Dec 2012 22:43:13 +0000
Subject: [PATCH] LegalizeDAG: Allow promotion of scalar loads
---
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 9946694..2596f00 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -890,10 +890,9 @@ void SelectionDAGLegalize::LegalizeLoadOps(SDNode *Node) {
break;
}
case TargetLowering::Promote: {
- // Only promote a load of vector type to another.
- assert(VT.isVector() && "Cannot promote this load!");
- // Change base type to a different vector type.
EVT NVT = TLI.getTypeToPromoteTo(Node->getOpcode(), VT);
+ assert(NVT.getSizeInBits() == VT.getSizeInBits() &&
+ "Can only promote loads to same size type");
SDValue Res = DAG.getLoad(NVT, dl, Chain, Ptr, LD->getPointerInfo(),
LD->isVolatile(), LD->isNonTemporal(),
--
1.7.11.4