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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 | b0b6c76ffe71fc5d16a38b831ef0eddec02ddbe3 (patch) | |
| tree | 3ae3f027a701261c610d36339c7a4def1896e0fe /lib | |
| parent | 616cc663daf965695809213d8cf8e3686e5309c3 (diff) | |
| download | external_llvm-b0b6c76ffe71fc5d16a38b831ef0eddec02ddbe3.zip external_llvm-b0b6c76ffe71fc5d16a38b831ef0eddec02ddbe3.tar.gz external_llvm-b0b6c76ffe71fc5d16a38b831ef0eddec02ddbe3.tar.bz2 | |
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
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 8f90521..bd3ad3f 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) |