[llvm-uc] Re: [PATCH] uc32: Add get register class
- From: 陳韋任 (Wei-Ren Chen) <chenwj@xxxxxxxxxxxxxxxxx>
- To: llvm-uc@xxxxxxxxxxxxx
- Date: Thu, 6 Dec 2012 15:19:01 +0800
On Thu, Dec 06, 2012 at 12:46:46PM +0800, Jia Liu wrote:
>
> Signed-off-by: Jia Liu <proljc@xxxxxxxxx>
> ---
> lib/Target/UniCore/UniCoreISelLowering.cpp | 13 +++++++++++--
> lib/Target/UniCore/UniCoreISelLowering.h | 5 +++++
> 2 files changed, 16 insertions(+), 2 deletions(-)
>
> diff --git a/lib/Target/UniCore/UniCoreISelLowering.cpp
> b/lib/Target/UniCore/UniCoreISelLowering.cpp
> index 140eecc..8cf8a18 100644
> --- a/lib/Target/UniCore/UniCoreISelLowering.cpp
> +++ b/lib/Target/UniCore/UniCoreISelLowering.cpp
> @@ -38,8 +38,17 @@ using namespace llvm;
>
> UniCoreTargetLowering::UniCoreTargetLowering(UniCoreTargetMachine &TM)
> : TargetLowering(TM, new TargetLoweringObjectFileELF()),
> - TM(TM)
> -{
> + Subtarget(*TM.getSubtargetImpl()), TM(TM) {
^^^^^^
我比較想用 "TM(tm)"，比較好區分。
> + DL = getDataLayout();
> + // Set up the register classes.
> + addRegisterClass(MVT::i32, &UniCore::GPRRegsRegClass);
> +
> + // Compute derived properties from the register classes
> + computeRegisterProperties();
> +
> + setMinFunctionAlignment(4);
> + setPrefFunctionAlignment(4);
> }
> SDValue
> diff --git a/lib/Target/UniCore/UniCoreISelLowering.h
> b/lib/Target/UniCore/UniCoreISelLowering.h
> index 611e284..99f6629 100644
> --- a/lib/Target/UniCore/UniCoreISelLowering.h
> +++ b/lib/Target/UniCore/UniCoreISelLowering.h
> @@ -36,6 +36,9 @@ namespace llvm {
> // TargetLowering Implementation
>
> //===--------------------------------------------------------------------===//
>
> + class UniCoreSubtarget;
> + class UniCoreTargetMachine;
> +
> class UniCoreTargetLowering : public TargetLowering {
> public:
> explicit UniCoreTargetLowering(UniCoreTargetMachine &TM);
> @@ -48,7 +51,9 @@ namespace llvm {
> virtual const char *getTargetNodeName(unsigned Opcode) const;
>
> private:
> + const UniCoreSubtarget &Subtarget;
> const UniCoreTargetMachine &TM;
> + const DataLayout *DL;
>
> SDValue LowerCCCArguments(SDValue Chain,
> CallingConv::ID CallConv,
> --
> 1.7.10.2 (Apple Git-33)
>
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
Homepage: http://people.cs.nctu.edu.tw/~chenwj
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