diff options
Diffstat (limited to 'lib/Target/ARM/ARMExpandPseudoInsts.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMExpandPseudoInsts.cpp | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/lib/Target/ARM/ARMExpandPseudoInsts.cpp b/lib/Target/ARM/ARMExpandPseudoInsts.cpp index 4d0f8993e002..c929c54d489f 100644 --- a/lib/Target/ARM/ARMExpandPseudoInsts.cpp +++ b/lib/Target/ARM/ARMExpandPseudoInsts.cpp @@ -75,17 +75,30 @@ bool ARMExpandPseudo::ExpandMBB(MachineBasicBlock &MBB) { } case ARM::t2MOVi32imm: { unsigned DstReg = MI.getOperand(0).getReg(); - unsigned Imm = MI.getOperand(1).getImm(); - unsigned Lo16 = Imm & 0xffff; - unsigned Hi16 = (Imm >> 16) & 0xffff; if (!MI.getOperand(0).isDead()) { - AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(), - TII->get(ARM::t2MOVi16), DstReg) - .addImm(Lo16)); - AddDefaultPred(BuildMI(MBB, MBBI, MI.getDebugLoc(), - TII->get(ARM::t2MOVTi16)) - .addReg(DstReg, getDefRegState(true)) - .addReg(DstReg).addImm(Hi16)); + const MachineOperand &MO = MI.getOperand(1); + MachineInstrBuilder LO16, HI16; + + LO16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::t2MOVi16), + DstReg); + HI16 = BuildMI(MBB, MBBI, MI.getDebugLoc(), TII->get(ARM::t2MOVTi16)) + .addReg(DstReg, getDefRegState(true)).addReg(DstReg); + + if (MO.isImm()) { + unsigned Imm = MO.getImm(); + unsigned Lo16 = Imm & 0xffff; + unsigned Hi16 = (Imm >> 16) & 0xffff; + LO16 = LO16.addImm(Lo16); + HI16 = HI16.addImm(Hi16); + } else { + GlobalValue *GV = MO.getGlobal(); + unsigned TF = MO.getTargetFlags(); + LO16 = LO16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_LO16); + HI16 = HI16.addGlobalAddress(GV, MO.getOffset(), TF | ARMII::MO_HI16); + // FIXME: What's about memoperands? + } + AddDefaultPred(LO16); + AddDefaultPred(HI16); } MI.eraseFromParent(); Modified = true; |