The BLX instruction is encoded differently than the BL, because why not? In

[oota-llvm.git] / lib / Target / ARM / ARMAsmPrinter.cpp

diff --git a/lib/Target/ARM/ARMAsmPrinter.cpp b/lib/Target/ARM/ARMAsmPrinter.cpp
index 51d576ccee1b780781ed6c4fb0f072288ecd7af2..05dfa552d1e7d12b97c9d665f2d75401f8b79231 100644 (file)
--- a/lib/Target/ARM/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/ARMAsmPrinter.cpp
@@ -726,6 +726,37 @@ void ARMAsmPrinter::EmitInstruction(const MachineInstr *MI) {
     }
     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::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::MOVPCRX: {
     MCInst TmpInst;
     TmpInst.setOpcode(ARM::MOVr);