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| author | Evan Cheng <evan.cheng@apple.com> | 2007-03-29 07:56:46 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-03-29 07:56:46 +0000 |
| commit | ccee35fd0d13b991cd612f9b408754004daacc42 (patch) | |
| tree | b2ec9c52a3e89b760db787d3dae4c5922f767fdc /llvm/lib/CodeGen | |
| parent | 8f592160c023baa1a9a424e1179b68c157ee4a0a (diff) | |
| download | bcm5719-llvm-ccee35fd0d13b991cd612f9b408754004daacc42.tar.gz bcm5719-llvm-ccee35fd0d13b991cd612f9b408754004daacc42.zip | |
Disable load width reduction xform of variant (zext (truncate load x)) for
big endian targets until llvm-gcc build issue has been resolved.
llvm-svn: 35449
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 8f90521074c..bd3ad3f812d 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/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) |
