diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:01:22 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2017-04-16 16:01:22 +0000 |
| commit | 71d5a2540a98c81f5bcaeb48805e0e2881f530ef (patch) | |
| tree | 5343938942df402b49ec7300a1c25a2d4ccd5821 /lib/Target/Mips/MipsSEInstrInfo.cpp | |
| parent | 31bbf64f3a4974a2d6c8b3b27ad2f519caf74057 (diff) | |
Diffstat (limited to 'lib/Target/Mips/MipsSEInstrInfo.cpp')
| -rw-r--r-- | lib/Target/Mips/MipsSEInstrInfo.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/Target/Mips/MipsSEInstrInfo.cpp b/lib/Target/Mips/MipsSEInstrInfo.cpp index ea703d0edd96..91e712a7a54e 100644 --- a/lib/Target/Mips/MipsSEInstrInfo.cpp +++ b/lib/Target/Mips/MipsSEInstrInfo.cpp @@ -540,11 +540,20 @@ unsigned MipsSEInstrInfo::getAnalyzableBrOpc(unsigned Opc) const { void MipsSEInstrInfo::expandRetRA(MachineBasicBlock &MBB, MachineBasicBlock::iterator I) const { + + MachineInstrBuilder MIB; if (Subtarget.isGP64bit()) - BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn64)) - .addReg(Mips::RA_64); + MIB = BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn64)) + .addReg(Mips::RA_64, RegState::Undef); else - BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn)).addReg(Mips::RA); + MIB = BuildMI(MBB, I, I->getDebugLoc(), get(Mips::PseudoReturn)) + .addReg(Mips::RA, RegState::Undef); + + // Retain any imp-use flags. + for (auto & MO : I->operands()) { + if (MO.isImplicit()) + MIB.add(MO); + } } void MipsSEInstrInfo::expandERet(MachineBasicBlock &MBB, |