From 6135a96792ca05f6366e5dbaee6208e84589c47f Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Sun, 14 Nov 2010 22:22:59 +0000 Subject: 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 --- lib/Target/PowerPC/PPCAsmPrinter.cpp | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'lib/Target/PowerPC/PPCAsmPrinter.cpp') 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 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) { switch (MI->getOpcode()) { default: break; + case PPC::LDtoc: { + // Transform %X3 = LDtoc , %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 -- cgit v1.1