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| author | Dan Gohman <gohman@apple.com> | 2009-10-07 17:38:06 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-10-07 17:38:06 +0000 |
| commit | be8137b0b461d5a4bc8c94441d7360e23cc526a7 (patch) | |
| tree | 99934be77d04a1d8c82af6ed2db6aef4697f9c65 /llvm/lib/CodeGen/MachineSink.cpp | |
| parent | db9493ce6878f65d7abd4d2bf07b04f104bf3732 (diff) | |
| download | bcm5719-llvm-be8137b0b461d5a4bc8c94441d7360e23cc526a7.tar.gz bcm5719-llvm-be8137b0b461d5a4bc8c94441d7360e23cc526a7.zip | |
Replace TargetInstrInfo::isInvariantLoad and its target-specific
implementations with a new MachineInstr::isInvariantLoad, which uses
MachineMemOperands and is target-independent. This brings MachineLICM
and other functionality to targets which previously lacked an
isInvariantLoad implementation.
llvm-svn: 83475
Diffstat (limited to 'llvm/lib/CodeGen/MachineSink.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineSink.cpp | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineSink.cpp b/llvm/lib/CodeGen/MachineSink.cpp index 636dad8ffb9..e5c34201ef9 100644 --- a/llvm/lib/CodeGen/MachineSink.cpp +++ b/llvm/lib/CodeGen/MachineSink.cpp @@ -178,8 +178,6 @@ bool MachineSinking::SinkInstruction(MachineInstr *MI, bool &SawStore) { if (Reg == 0) continue; if (TargetRegisterInfo::isPhysicalRegister(Reg)) { - // If this is a physical register use, we can't move it. If it is a def, - // we can move it, but only if the def is dead. if (MO.isUse()) { // If the physreg has no defs anywhere, it's just an ambient register // and we can freely move its uses. Alternatively, if it's allocatable, |
