File 0002-LegalizeDAG-Allow-promotion-of-scalar-loads.patch of Package llvm37

File 0002-LegalizeDAG-Allow-promotion-of-scalar-loads.patch of Package llvm37 (Revision fe1e5c649492089d8560af2532fb9323)

Currently displaying revision fe1e5c649492089d8560af2532fb9323, show latest

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