[lfs-patches] r2618 - trunk/llvm

krejzi at higgs.linuxfromscratch.org krejzi at higgs.linuxfromscratch.org
Sun Mar 10 11:39:33 PDT 2013


Author: krejzi
Date: Sun Mar 10 11:39:33 2013
New Revision: 2618

Log:
Add llvm r600 backend fix.

Added:
   trunk/llvm/llvm-3.2-r600_fixes-1.patch

Added: trunk/llvm/llvm-3.2-r600_fixes-1.patch
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ trunk/llvm/llvm-3.2-r600_fixes-1.patch	Sun Mar 10 11:39:33 2013	(r2618)
@@ -0,0 +1,66 @@
+Submitted By:            Armin K. <krejzi at email dot com>
+Date:                    2013-03-10
+Initial Package Version: 3.2
+Upstream Status:         Probably fixed in latest svn.
+Origin:                  Tom Stellard's web site.
+Description:             Fixes for R600 backend from http://people.freedesktop.org/~tstellar/llvm/3.2/bug-fixes/
+
+From af4d115e2c9c4cfd8b099aaef9a13c2972c36272 Mon Sep 17 00:00:00 2001
+From: Tom Stellard <thomas.stellard at amd.com>
+Date: Thu, 6 Dec 2012 18:05:30 +0000
+Subject: [PATCH] LegalizeDAG: Allow type promotion for scalar stores
+
+---
+ lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 7 ++++---
+ 1 file changed, 4 insertions(+), 3 deletions(-)
+
+diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+index abf40b7..9946694 100644
+--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
++++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+@@ -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,
+-- 
+1.7.11.4
+
+From 831cdb83e03319eeb36b6249e20e2908672397c2 Mon Sep 17 00:00:00 2001
+From: Tom Stellard <thomas.stellard at 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
+



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