diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMConstantIslandPass.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMConstantIslandPass.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp index aad5eb70923..bc9e11badea 100644 --- a/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp +++ b/llvm/lib/Target/ARM/ARMConstantIslandPass.cpp @@ -1358,10 +1358,12 @@ bool ARMConstantIslands::OptimizeThumb2JumpTables(MachineFunction &MF) { for (unsigned j = 0, ee = JTBBs.size(); j != ee; ++j) { MachineBasicBlock *MBB = JTBBs[j]; unsigned DstOffset = BBOffsets[MBB->getNumber()]; - if (ByteOk && !OffsetIsInRange(JTOffset, DstOffset, (1<<8)-1, true, false)) + // Negative offset is not ok. FIXME: We should change BB layout to make + // sure all the branches are forward. + if (ByteOk && !OffsetIsInRange(JTOffset, DstOffset, (1<<8)-1, false)) ByteOk = false; if (HalfWordOk && - !OffsetIsInRange(JTOffset, DstOffset, (1<<16)-1, true, false)) + !OffsetIsInRange(JTOffset, DstOffset, (1<<16)-1, false)) HalfWordOk = false; if (!ByteOk && !HalfWordOk) break; |
