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| author | Evan Cheng <evan.cheng@apple.com> | 2009-10-25 07:53:28 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-10-25 07:53:28 +0000 |
| commit | 2e7dee5f23559a5c41c18635305c98bf443c4569 (patch) | |
| tree | 36be38539a40407e1b4ce9ea7ca2c8bc746261db /llvm/lib/Target/ARM/ARMBaseRegisterInfo.h | |
| parent | 5d1b8496584341474c808848c9814f984b33be4b (diff) | |
| download | bcm5719-llvm-2e7dee5f23559a5c41c18635305c98bf443c4569.tar.gz bcm5719-llvm-2e7dee5f23559a5c41c18635305c98bf443c4569.zip | |
Add ARM getMatchingSuperRegClass to handle S / D / Q cross regclass coalescing.
llvm-svn: 85049
Diffstat (limited to 'llvm/lib/Target/ARM/ARMBaseRegisterInfo.h')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMBaseRegisterInfo.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.h b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.h index f7d38e540de..750d29f8d6a 100644 --- a/llvm/lib/Target/ARM/ARMBaseRegisterInfo.h +++ b/llvm/lib/Target/ARM/ARMBaseRegisterInfo.h @@ -74,6 +74,13 @@ public: BitVector getReservedRegs(const MachineFunction &MF) const; + /// getMatchingSuperRegClass - Return a subclass of the specified register + /// class A so that each register in it has a sub-register of the + /// specified sub-register index which is in the specified register class B. + virtual const TargetRegisterClass * + getMatchingSuperRegClass(const TargetRegisterClass *A, + const TargetRegisterClass *B, unsigned Idx) const; + const TargetRegisterClass *getPointerRegClass(unsigned Kind = 0) const; std::pair<TargetRegisterClass::iterator,TargetRegisterClass::iterator> |
