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| author | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-02-03 20:43:35 +0000 |
|---|---|---|
| committer | Jakob Stoklund Olesen <stoklund@2pi.dk> | 2012-02-03 20:43:35 +0000 |
| commit | f650732cab7309b01ef9e6f9f3a69fc5d4226091 (patch) | |
| tree | 1a43a2b199c362d99bed4e04e425d01806041902 /llvm/lib/CodeGen/MachineInstr.cpp | |
| parent | 15f247ad8c870519e2490061b2e7c0e4ec4486c7 (diff) | |
| download | bcm5719-llvm-f650732cab7309b01ef9e6f9f3a69fc5d4226091.tar.gz bcm5719-llvm-f650732cab7309b01ef9e6f9f3a69fc5d4226091.zip | |
Handle all live physreg defs in the same place.
SelectionDAG has 4 different ways of passing physreg defs to users.
Collect all of the uses at the same time, and pass all of them to
MI->setPhysRegsDeadExcept() to mark the remaining defs dead.
The setPhysRegsDeadExcept() function will soon add the required
implicit-defs to instructions with register mask operands.
llvm-svn: 149708
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 7cf282c25c2..f04921bb508 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -1799,7 +1799,7 @@ void MachineInstr::setPhysRegsDeadExcept(const SmallVectorImpl<unsigned> &UsedRe MachineOperand &MO = getOperand(i); if (!MO.isReg() || !MO.isDef()) continue; unsigned Reg = MO.getReg(); - if (Reg == 0) continue; + if (!TargetRegisterInfo::isPhysicalRegister(Reg)) continue; bool Dead = true; for (SmallVectorImpl<unsigned>::const_iterator I = UsedRegs.begin(), E = UsedRegs.end(); I != E; ++I) |
