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| author | Che-Liang Chiou <clchiou@gmail.com> | 2010-11-08 03:00:52 +0000 |
|---|---|---|
| committer | Che-Liang Chiou <clchiou@gmail.com> | 2010-11-08 03:00:52 +0000 |
| commit | 3278c4260c015a1097afa5c6c88bdc16612ef9d0 (patch) | |
| tree | 4b485830a066eea735143daa99e86d16fa661ff4 /lib/Target/PTX/PTXISelLowering.cpp | |
| parent | d77f2a45aa5d3bca6bf2eabed070b3fc60adf14b (diff) | |
| download | llvm-3278c4260c015a1097afa5c6c88bdc16612ef9d0.tar.gz llvm-3278c4260c015a1097afa5c6c88bdc16612ef9d0.tar.bz2 llvm-3278c4260c015a1097afa5c6c88bdc16612ef9d0.tar.xz | |
Add physical register counting functions
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118397 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/PTX/PTXISelLowering.cpp')
| -rw-r--r-- | lib/Target/PTX/PTXISelLowering.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/Target/PTX/PTXISelLowering.cpp b/lib/Target/PTX/PTXISelLowering.cpp index 5bd722188a..ae6920805a 100644 --- a/lib/Target/PTX/PTXISelLowering.cpp +++ b/lib/Target/PTX/PTXISelLowering.cpp @@ -13,6 +13,7 @@ #include "PTX.h" #include "PTXISelLowering.h" +#include "PTXMachineFunctionInfo.h" #include "PTXRegisterInfo.h" #include "llvm/Support/ErrorHandling.h" #include "llvm/CodeGen/MachineFunction.h" @@ -107,6 +108,9 @@ SDValue PTXTargetLowering:: SmallVectorImpl<SDValue> &InVals) const { if (isVarArg) llvm_unreachable("PTX does not support varargs"); + MachineFunction &MF = DAG.getMachineFunction(); + PTXMachineFunctionInfo *MFI = MF.getInfo<PTXMachineFunctionInfo>(); + lower_argument_func lower_argument; switch (CallConv) { @@ -114,9 +118,11 @@ SDValue PTXTargetLowering:: llvm_unreachable("Unsupported calling convention"); break; case CallingConv::PTX_Kernel: + MFI->setKernel(); lower_argument = lower_kernel_argument; break; case CallingConv::PTX_Device: + MFI->setKernel(false); lower_argument = lower_device_argument; break; } @@ -137,8 +143,15 @@ SDValue PTXTargetLowering:: unsigned reg; SDValue arg = lower_argument(i, Chain, dl, VT, entry, DAG, ®); InVals.push_back(arg); + + if (!MFI->isDoneAddArg()) + MFI->addArgReg(reg); } + // Make sure we don't add argument registers twice + if (!MFI->isDoneAddArg()) + MFI->doneAddArg(); + return Chain; } @@ -174,6 +187,10 @@ SDValue PTXTargetLowering:: SDValue Flag; unsigned reg = PTX::R0; + MachineFunction &MF = DAG.getMachineFunction(); + PTXMachineFunctionInfo *MFI = MF.getInfo<PTXMachineFunctionInfo>(); + MFI->setRetReg(reg); + // If this is the first return lowered for this function, add the regs to the // liveout set for the function if (DAG.getMachineFunction().getRegInfo().liveout_empty()) |