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author | Akira Hatanaka <ahatanak@gmail.com> | 2011-06-21 00:40:49 +0000 |
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committer | Akira Hatanaka <ahatanak@gmail.com> | 2011-06-21 00:40:49 +0000 |
commit | 21afc63ea7b8227ccb1b735255be55bf422136d6 (patch) | |
tree | 7e0235f0c69c6251065a42d8e51c12a7c1d6265b /lib/Target/Mips/MipsMachineFunction.h | |
parent | 48b93b10e30398f22481bf272b76a50b1a5a9bdd (diff) | |
download | external_llvm-21afc63ea7b8227ccb1b735255be55bf422136d6.zip external_llvm-21afc63ea7b8227ccb1b735255be55bf422136d6.tar.gz external_llvm-21afc63ea7b8227ccb1b735255be55bf422136d6.tar.bz2 |
Re-apply 132758 and 132768 which were speculatively reverted in 132777.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@133494 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/Mips/MipsMachineFunction.h')
-rw-r--r-- | lib/Target/Mips/MipsMachineFunction.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/lib/Target/Mips/MipsMachineFunction.h b/lib/Target/Mips/MipsMachineFunction.h index df40e6c..dbb7a67 100644 --- a/lib/Target/Mips/MipsMachineFunction.h +++ b/lib/Target/Mips/MipsMachineFunction.h @@ -27,6 +27,7 @@ namespace llvm { class MipsFunctionInfo : public MachineFunctionInfo { private: + MachineFunction& MF; /// SRetReturnReg - Some subtargets require that sret lowering includes /// returning the value of the returned struct in a register. This field /// holds the virtual register into which the sret argument is passed. @@ -47,6 +48,7 @@ private: // LowerCall except for the frame object for restoring $gp. std::pair<int, int> InArgFIRange, OutArgFIRange; int GPFI; // Index of the frame object for restoring $gp + mutable int DynAllocFI; // Frame index of dynamically allocated stack area. unsigned MaxCallFrameSize; /// AtomicFrameIndex - To implement atomic.swap and atomic.cmp.swap @@ -55,10 +57,10 @@ private: int AtomicFrameIndex; public: MipsFunctionInfo(MachineFunction& MF) - : SRetReturnReg(0), GlobalBaseReg(0), + : MF(MF), SRetReturnReg(0), GlobalBaseReg(0), VarArgsFrameIndex(0), InArgFIRange(std::make_pair(-1, 0)), - OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), MaxCallFrameSize(0), - AtomicFrameIndex(-1) + OutArgFIRange(std::make_pair(-1, 0)), GPFI(0), DynAllocFI(0), + MaxCallFrameSize(0), AtomicFrameIndex(-1) {} bool isInArgFI(int FI) const { @@ -81,6 +83,16 @@ public: bool needGPSaveRestore() const { return getGPFI(); } bool isGPFI(int FI) const { return GPFI && GPFI == FI; } + // The first call to this function creates a frame object for dynamically + // allocated stack area. + int getDynAllocFI() const { + if (!DynAllocFI) + DynAllocFI = MF.getFrameInfo()->CreateFixedObject(4, 0, true); + + return DynAllocFI; + } + bool isDynAllocFI(int FI) const { return DynAllocFI && DynAllocFI == FI; } + unsigned getSRetReturnReg() const { return SRetReturnReg; } void setSRetReturnReg(unsigned Reg) { SRetReturnReg = Reg; } |