diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/FastISel.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/FastISel.cpp | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp index a6212aa49ea..98022dc8e45 100644 --- a/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -1712,14 +1712,11 @@ void FastISel::finishCondBranch(const BasicBlock *BranchBB, } /// Emit an FNeg operation. -bool FastISel::selectFNeg(const User *I) { - Value *X; - if (!match(I, m_FNeg(m_Value(X)))) - return false; - unsigned OpReg = getRegForValue(X); +bool FastISel::selectFNeg(const User *I, const Value *In) { + unsigned OpReg = getRegForValue(In); if (!OpReg) return false; - bool OpRegIsKill = hasTrivialKill(X); + bool OpRegIsKill = hasTrivialKill(In); // If the target has ISD::FNEG, use it. EVT VT = TLI.getValueType(DL, I->getType()); @@ -1806,9 +1803,13 @@ bool FastISel::selectOperator(const User *I, unsigned Opcode) { return selectBinaryOp(I, ISD::FADD); case Instruction::Sub: return selectBinaryOp(I, ISD::SUB); - case Instruction::FSub: + case Instruction::FSub: { // FNeg is currently represented in LLVM IR as a special case of FSub. - return selectFNeg(I) || selectBinaryOp(I, ISD::FSUB); + Value *X; + if (match(I, m_FNeg(m_Value(X)))) + return selectFNeg(I, X); + return selectBinaryOp(I, ISD::FSUB); + } case Instruction::Mul: return selectBinaryOp(I, ISD::MUL); case Instruction::FMul: |
