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| author | Richard Osborne <richard@xmos.com> | 2011-11-01 11:31:53 +0000 |
|---|---|---|
| committer | Richard Osborne <richard@xmos.com> | 2011-11-01 11:31:53 +0000 |
| commit | 0e6c1c536bc39f26a01fb1e207f65a351b2b4269 (patch) | |
| tree | 85bf0f2319bad59fd2142d55fc5f99c271b08f6c /lib/Target/XCore/XCoreISelDAGToDAG.cpp | |
| parent | 441ed4ac23d0ceaa4ff3c4d302412368dab1d748 (diff) | |
| download | llvm-0e6c1c536bc39f26a01fb1e207f65a351b2b4269.tar.gz llvm-0e6c1c536bc39f26a01fb1e207f65a351b2b4269.tar.bz2 llvm-0e6c1c536bc39f26a01fb1e207f65a351b2b4269.tar.xz | |
Don't fold negative offsets into cp / dp accesses to avoid relocation errors.
This can happen if the address + addend is less than the start of the cp / dp.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143459 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/XCore/XCoreISelDAGToDAG.cpp')
| -rw-r--r-- | lib/Target/XCore/XCoreISelDAGToDAG.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/XCore/XCoreISelDAGToDAG.cpp b/lib/Target/XCore/XCoreISelDAGToDAG.cpp index 4dac1cee98..8d746ae6c3 100644 --- a/lib/Target/XCore/XCoreISelDAGToDAG.cpp +++ b/lib/Target/XCore/XCoreISelDAGToDAG.cpp @@ -120,7 +120,7 @@ bool XCoreDAGToDAGISel::SelectADDRdpii(SDValue Addr, SDValue &Base, ConstantSDNode *CN = 0; if ((Addr.getOperand(0).getOpcode() == XCoreISD::DPRelativeWrapper) && (CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) - && (CN->getSExtValue() % 4 == 0)) { + && (CN->getSExtValue() % 4 == 0 && CN->getSExtValue() >= 0)) { // Constant word offset from a object in the data region Base = Addr.getOperand(0).getOperand(0); Offset = CurDAG->getTargetConstant(CN->getSExtValue(), MVT::i32); @@ -141,7 +141,7 @@ bool XCoreDAGToDAGISel::SelectADDRcpii(SDValue Addr, SDValue &Base, ConstantSDNode *CN = 0; if ((Addr.getOperand(0).getOpcode() == XCoreISD::CPRelativeWrapper) && (CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1))) - && (CN->getSExtValue() % 4 == 0)) { + && (CN->getSExtValue() % 4 == 0 && CN->getSExtValue() >= 0)) { // Constant word offset from a object in the data region Base = Addr.getOperand(0).getOperand(0); Offset = CurDAG->getTargetConstant(CN->getSExtValue(), MVT::i32); |