diff options
Diffstat (limited to 'contrib/llvm-project/llvm/lib/Target/RISCV/RISCVSubtarget.h')
| -rw-r--r-- | contrib/llvm-project/llvm/lib/Target/RISCV/RISCVSubtarget.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVSubtarget.h b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVSubtarget.h index 561b04cc0b44..ce36331e044d 100644 --- a/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVSubtarget.h +++ b/contrib/llvm-project/llvm/lib/Target/RISCV/RISCVSubtarget.h @@ -62,6 +62,7 @@ class RISCVSubtarget : public RISCVGenSubtargetInfo { bool EnableSaveRestore = false; unsigned XLen = 32; MVT XLenVT = MVT::i32; + uint8_t MaxInterleaveFactor = 2; RISCVABI::ABI TargetABI = RISCVABI::ABI_Unknown; BitVector UserReservedRegister; RISCVFrameLowering FrameLowering; @@ -134,6 +135,9 @@ public: assert(i < RISCV::NUM_TARGET_REGS && "Register out of range"); return UserReservedRegister[i]; } + unsigned getMaxInterleaveFactor() const { + return hasStdExtV() ? MaxInterleaveFactor : 1; + } protected: // GlobalISel related APIs. @@ -147,6 +151,14 @@ public: InstructionSelector *getInstructionSelector() const override; const LegalizerInfo *getLegalizerInfo() const override; const RegisterBankInfo *getRegBankInfo() const override; + + // Return the known range for the bit length of RVV data registers. A value + // of 0 means nothing is known about that particular limit beyond what's + // implied by the architecture. + unsigned getMaxRVVVectorSizeInBits() const; + unsigned getMinRVVVectorSizeInBits() const; + unsigned getMaxLMULForFixedLengthVectors() const; + bool useRVVForFixedLengthVectors() const; }; } // End llvm namespace |