diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index 5a01e0e9b6f..aacc486aa14 100644 --- a/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -1178,14 +1178,23 @@ void AsmPrinter::EmitJumpTableInfo() { // the appropriate section. const Function *F = MF->getFunction(); const TargetLoweringObjectFile &TLOF = getObjFileLowering(); - bool JTInDiffSection = !TLOF.shouldPutJumpTableInFunctionSection( - MJTI->getEntryKind() == MachineJumpTableInfo::EK_LabelDifference32, - *F); - if (JTInDiffSection) { + bool JTInDiffSection = false; + if (// In PIC mode, we need to emit the jump table to the same section as the + // function body itself, otherwise the label differences won't make sense. + // FIXME: Need a better predicate for this: what about custom entries? + MJTI->getEntryKind() == MachineJumpTableInfo::EK_LabelDifference32 || + // We should also do if the section name is NULL or function is declared + // in discardable section + // FIXME: this isn't the right predicate, should be based on the MCSection + // for the function. + F->isWeakForLinker()) { + OutStreamer.SwitchSection(TLOF.SectionForGlobal(F, *Mang, TM)); + } else { // Otherwise, drop it in the readonly section. const MCSection *ReadOnlySection = TLOF.getSectionForJumpTable(*F, *Mang, TM); OutStreamer.SwitchSection(ReadOnlySection); + JTInDiffSection = true; } EmitAlignment(Log2_32( |
