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mcize the non-gprel cases of AsmPrinter::printPICJumpTableEntry
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@94450 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -525,6 +525,8 @@ void AsmPrinter::EmitJumpTableInfo(MachineJumpTableInfo *MJTI,
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OutStreamer.EmitLabel(GetJTISymbol(i));
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if (!IsPic) {
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// In non-pic mode, the entries in the jump table are direct references
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// to the basic blocks.
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unsigned EntrySize = MJTI->getEntrySize();
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for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) {
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MCSymbol *MBBSym = GetMBBSymbol(JTBBs[ii]->getNumber());
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@ -547,24 +549,22 @@ void AsmPrinter::printPICJumpTableEntry(const MachineJumpTableInfo *MJTI,
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return;
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}
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const char *JTEntryDirective = MJTI->getEntrySize() == 4 ?
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MAI->getData32bitsDirective() : MAI->getData64bitsDirective();
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O << JTEntryDirective << ' ';
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// If we have emitted set directives for the jump table entries, print
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// them rather than the entries themselves. If we're emitting PIC, then
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// emit the table entries as differences between two text section labels.
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// If we're emitting non-PIC code, then emit the entries as direct
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// references to the target basic blocks.
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const MCExpr *Val;
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if (MAI->getSetDirective()) {
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O << *GetJTSetSymbol(uid, MBB->getNumber());
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// If we used .set, reference the .set's symbol.
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Val = MCSymbolRefExpr::Create(GetJTSetSymbol(uid, MBB->getNumber()),
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OutContext);
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} else {
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O << *GetMBBSymbol(MBB->getNumber());
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// If the arch uses custom Jump Table directives, don't calc relative to
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// JT.
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O << '-' << *GetJTISymbol(uid);
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// Otherwise, use the difference as the jump table entry.
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Val = MCSymbolRefExpr::Create(GetMBBSymbol(MBB->getNumber()), OutContext);
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const MCExpr *JTI = MCSymbolRefExpr::Create(GetJTISymbol(uid), OutContext);
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Val = MCBinaryExpr::CreateSub(Val, JTI, OutContext);
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}
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O << '\n';
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OutStreamer.EmitValue(Val, MJTI->getEntrySize(), /*addrspace*/0);
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}
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