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authorDale Johannesen <dalej@apple.com>2007-03-30 21:38:07 +0000
committerDale Johannesen <dalej@apple.com>2007-03-30 21:38:07 +0000
commit2041a0ef7544ec5ceece9cabd3963cc887861c1d (patch)
tree54712fea2620bf86e34b2579b9b7dd1709e12d8e /lib/CodeGen/SelectionDAG/DAGCombiner.cpp
parentb4c377f5ddfd0eb8dd150714e3c4cd9ebb74bc96 (diff)
Fix incorrect combination of different loads. Reenable zext-over-truncate
combination. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35517 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/SelectionDAG/DAGCombiner.cpp')
-rw-r--r--lib/CodeGen/SelectionDAG/DAGCombiner.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index bd3ad3f812..8f90521074 100644
--- a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -2110,9 +2110,7 @@ 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)))
- // FIXME: Temporarily disable this for big endian machines until llvm-gcc
- // build issue has been resolved.
- if (TLI.isLittleEndian() && N0.getOpcode() == ISD::TRUNCATE) {
+ if (N0.getOpcode() == ISD::TRUNCATE) {
SDOperand NarrowLoad = ReduceLoadWidth(N0.Val);
if (NarrowLoad.Val) {
if (NarrowLoad.Val != N0.Val)