diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp index 41a2b5c1f20..2c6400cbb1e 100644 --- a/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp +++ b/llvm/lib/Target/RISCV/RISCVTargetTransformInfo.cpp @@ -71,8 +71,10 @@ int RISCVTTIImpl::getIntImmCost(unsigned Opcode, unsigned Idx, const APInt &Imm, // Check immediate is the correct argument... if (Instruction::isCommutative(Opcode) || Idx == ImmArgIdx) { // ... and fits into the 12-bit immediate. - if (getTLI()->isLegalAddImmediate(Imm.getSExtValue())) + if (Imm.getMinSignedBits() <= 64 && + getTLI()->isLegalAddImmediate(Imm.getSExtValue())) { return TTI::TCC_Free; + } } // Otherwise, use the full materialisation cost. |
