Changes in directory llvm/lib/CodeGen/SelectionDAG:
DAGCombiner.cpp updated: 1.282 -> 1.283
---
Log message:
Disable load width reduction xform of variant (zext (truncate load x)) for
big endian targets until llvm-gcc build issue has been resolved.
---
Diffs of the changes: (+3 -1)
DAGCombiner.cpp | 4 +++-
1 files changed, 3 insertions(+), 1 deletion(-)
Index: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
diff -u llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.282
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.283
--- llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1.282 Mon Mar 26 02:12:51 2007
+++ llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp Thu Mar 29 02:56:46 2007
@@ -2110,7 +2110,9 @@
// fold (zext (truncate (load x))) -> (zext (smaller load x))
// fold (zext (truncate (srl (load x), c))) -> (zext (small load (x+c/n)))
- if (N0.getOpcode() == ISD::TRUNCATE) {
+ // FIXME: Temporarily disable this for big endian machines until llvm-gcc
+ // build issue has been resolved.
+ if (TLI.isLittleEndian() && N0.getOpcode() == ISD::TRUNCATE) {
SDOperand NarrowLoad = ReduceLoadWidth(N0.Val);
if (NarrowLoad.Val) {
if (NarrowLoad.Val != N0.Val)
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