Add support for binary encoding of ARM 'adr' instructions referencing constant
pool entries (LEApcrel pseudo). Ongoing saga of rdar://8542291.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120635 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index de6e068..05dfa55 100644
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -726,13 +726,29 @@
}
return;
}
+ case ARM::LEApcrel: {
+ // FIXME: Need to also handle globals and externals
+ assert (MI->getOperand(1).isCPI());
+ unsigned LabelId = MI->getOperand(1).getIndex();
+ MCSymbol *Sym = GetCPISymbol(LabelId);
+ const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(Sym, OutContext);
+ MCInst TmpInst;
+ TmpInst.setOpcode(ARM::ADR);
+ TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
+ TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr));
+ // Add predicate operands.
+ TmpInst.addOperand(MCOperand::CreateImm(ARMCC::AL));
+ TmpInst.addOperand(MCOperand::CreateReg(0));
+ OutStreamer.EmitInstruction(TmpInst);
+ return;
+ }
case ARM::LEApcrelJT: {
unsigned JTI = MI->getOperand(1).getIndex();
unsigned Id = MI->getOperand(2).getImm();
MCSymbol *JTISymbol = GetARMJTIPICJumpTableLabel2(JTI, Id);
const MCExpr *SymbolExpr = MCSymbolRefExpr::Create(JTISymbol, OutContext);
MCInst TmpInst;
- TmpInst.setOpcode(ARM::ADRadd);
+ TmpInst.setOpcode(ARM::ADR);
TmpInst.addOperand(MCOperand::CreateReg(MI->getOperand(0).getReg()));
TmpInst.addOperand(MCOperand::CreateExpr(SymbolExpr));
// Add predicate operands.