diff options
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
-rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 7ccaaf72c37..3acf749bf3e 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -3348,6 +3348,13 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N1, SDValue N2, const SDNodeFlags *Flags) { ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1); ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2); + + // Canonicalize constant to RHS if commutative. + if (N1C && !N2C && isCommutativeBinOp(Opcode)) { + std::swap(N1C, N2C); + std::swap(N1, N2); + } + switch (Opcode) { default: break; case ISD::TokenFactor: @@ -3692,12 +3699,6 @@ SDValue SelectionDAG::getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N1, FoldConstantArithmetic(Opcode, DL, VT, N1.getNode(), N2.getNode())) return SV; - // Canonicalize constant to RHS if commutative. - if (N1C && !N2C && isCommutativeBinOp(Opcode)) { - std::swap(N1C, N2C); - std::swap(N1, N2); - } - // Constant fold FP operations. bool HasFPExceptions = TLI->hasFloatingPointExceptions(); ConstantFPSDNode *N1CFP = dyn_cast<ConstantFPSDNode>(N1); |