reimplement ppc asmprinter "toc" handling to use a VariantKind
on the operand, required for .o file writing and fixing
the PowerPC/mult-alt-generic-powerpc64.ll failure with the new
instprinter.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119087 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCAsmPrinter.cpp b/lib/Target/PowerPC/PPCAsmPrinter.cpp
index 8cd87de..d694b43 100644
--- a/lib/Target/PowerPC/PPCAsmPrinter.cpp
+++ b/lib/Target/PowerPC/PPCAsmPrinter.cpp
@@ -560,6 +560,32 @@
switch (MI->getOpcode()) {
default: break;
+ case PPC::LDtoc: {
+ // Transform %X3 = LDtoc <ga:@min1>, %X2
+ LowerPPCMachineInstrToMCInst(MI, TmpInst, *this);
+
+ // 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())];
+ if (TOCEntry == 0) {
+ TOCEntry = OutContext.
+ GetOrCreateSymbol(StringRef(MAI->getPrivateGlobalPrefix()) +
+ "C" + Twine(LabelID++));
+ }
+
+ const MCExpr *Exp =
+ MCSymbolRefExpr::Create(TOCEntry, MCSymbolRefExpr::VK_PPC_TOC,
+ OutContext);
+ TmpInst.getOperand(1) = MCOperand::CreateExpr(Exp);
+ OutStreamer.EmitInstruction(TmpInst);
+ return;
+ }
+
case PPC::MFCRpseud:
// Transform: %R3 = MFCRpseud %CR7
// Into: %R3 = MFCR ;; cr7