Lower constant pools and jump tables via TOC on PPC64/SVR4.
In collaboration with Adhemerval Zanella.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162562 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index f76b89c..2803f80 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -345,23 +345,32 @@
OutStreamer.EmitLabel(PICBase);
return;
}
+ case PPC::LDtocJTI:
+ case PPC::LDtocCPT:
case PPC::LDtoc: {
// Transform %X3 = LDtoc <ga:@min1>, %X2
LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, Subtarget.isDarwin());
-
+
// Change the opcode to LD, and the global address operand to be a
// reference to the TOC entry we will synthesize later.
TmpInst.setOpcode(PPC::LD);
const MachineOperand &MO = MI->getOperand(1);
- assert(MO.isGlobal());
-
- // Map symbol -> label of TOC entry.
- MCSymbol *&TOCEntry = TOC[Mang->getSymbol(MO.getGlobal())];
+
+ // Map symbol -> label of TOC entry
+ assert(MO.isGlobal() || MO.isCPI() || MO.isJTI());
+ MCSymbol *MOSymbol = 0;
+ if (MO.isGlobal())
+ MOSymbol = Mang->getSymbol(MO.getGlobal());
+ else if (MO.isCPI())
+ MOSymbol = GetCPISymbol(MO.getIndex());
+ else if (MO.isJTI())
+ MOSymbol = GetJTISymbol(MO.getIndex());
+ MCSymbol *&TOCEntry = TOC[MOSymbol];
if (TOCEntry == 0)
TOCEntry = GetTempSymbol("C", TOCLabelID++);
-
+
const MCExpr *Exp =
- MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC,
+ MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC_ENTRY,
OutContext);
TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
OutStreamer.EmitInstruction(TmpInst);