diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2007-12-01 02:07:52 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2007-12-01 02:07:52 +0000 |
| commit | e62f97c094dba44e4c259d20135167fa91912eea (patch) | |
| tree | 5d910203fd66c0b5594d9f29a069ae8125283566 /lib/Target/PowerPC/PPCRegisterInfo.h | |
| parent | 790e11cdff59ed6312c2f1d3d8f63537c2ae2ec5 (diff) | |
| download | llvm-e62f97c094dba44e4c259d20135167fa91912eea.tar.gz llvm-e62f97c094dba44e4c259d20135167fa91912eea.tar.bz2 llvm-e62f97c094dba44e4c259d20135167fa91912eea.tar.xz | |
Allow some reloads to be folded in multi-use cases. Specifically testl r, r -> cmpl [mem], 0.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44479 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PowerPC/PPCRegisterInfo.h')
| -rw-r--r-- | lib/Target/PowerPC/PPCRegisterInfo.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCRegisterInfo.h b/lib/Target/PowerPC/PPCRegisterInfo.h index 776d11cd07..3fce8924d1 100644 --- a/lib/Target/PowerPC/PPCRegisterInfo.h +++ b/lib/Target/PowerPC/PPCRegisterInfo.h @@ -68,11 +68,23 @@ public: virtual MachineInstr* foldMemoryOperand(MachineInstr* MI, unsigned OpNum, int FrameIndex) const; + virtual MachineInstr* foldMemoryOperand(MachineInstr* MI, + SmallVectorImpl<unsigned> &UseOps, + int FrameIndex) const { + return 0; + } + virtual MachineInstr* foldMemoryOperand(MachineInstr* MI, unsigned OpNum, MachineInstr* LoadMI) const { return 0; } + virtual MachineInstr* foldMemoryOperand(MachineInstr* MI, + SmallVectorImpl<unsigned> &UseOps, + MachineInstr* LoadMI) const { + return 0; + } + const unsigned *getCalleeSavedRegs(const MachineFunction* MF = 0) const; const TargetRegisterClass* const* |