From b0b6c76ffe71fc5d16a38b831ef0eddec02ddbe3 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Thu, 29 Mar 2007 07:56:46 +0000 Subject: [PATCH] Disable load width reduction xform of variant (zext (truncate load x)) for big endian targets until llvm-gcc build issue has been resolved. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35449 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 8f90521074c..bd3ad3f812d 100644 --- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -2110,7 +2110,9 @@ SDOperand DAGCombiner::visitZERO_EXTEND(SDNode *N) { // 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)