diff --git a/lib/Target/CellSPU/SPUISelLowering.cpp b/lib/Target/CellSPU/SPUISelLowering.cpp index de1fff0ccae..6d2a9f3d30b 100644 --- a/lib/Target/CellSPU/SPUISelLowering.cpp +++ b/lib/Target/CellSPU/SPUISelLowering.cpp @@ -1354,6 +1354,14 @@ SDOperand SPU::get_vec_u18imm(SDNode *N, SelectionDAG &DAG, MVT::ValueType ValueType) { if (ConstantSDNode *CN = getVecImm(N)) { uint64_t Value = CN->getValue(); + if (ValueType == MVT::i64) { + uint64_t UValue = CN->getValue(); + uint32_t upper = uint32_t(UValue >> 32); + uint32_t lower = uint32_t(UValue); + if (upper != lower) + return SDOperand(); + Value = Value >> 32; + } if (Value <= 0x3ffff) return DAG.getConstant(Value, ValueType); } @@ -1368,6 +1376,14 @@ SDOperand SPU::get_vec_i16imm(SDNode *N, SelectionDAG &DAG, MVT::ValueType ValueType) { if (ConstantSDNode *CN = getVecImm(N)) { int64_t Value = CN->getSignExtended(); + if (ValueType == MVT::i64) { + uint64_t UValue = CN->getValue(); + uint32_t upper = uint32_t(UValue >> 32); + uint32_t lower = uint32_t(UValue); + if (upper != lower) + return SDOperand(); + Value = Value >> 32; + } if (Value >= -(1 << 15) && Value <= ((1 << 15) - 1)) { return DAG.getConstant(Value, ValueType); } @@ -1383,6 +1399,14 @@ SDOperand SPU::get_vec_i10imm(SDNode *N, SelectionDAG &DAG, MVT::ValueType ValueType) { if (ConstantSDNode *CN = getVecImm(N)) { int64_t Value = CN->getSignExtended(); + if (ValueType == MVT::i64) { + uint64_t UValue = CN->getValue(); + uint32_t upper = uint32_t(UValue >> 32); + uint32_t lower = uint32_t(UValue); + if (upper != lower) + return SDOperand(); + Value = Value >> 32; + } if (isS10Constant(Value)) return DAG.getConstant(Value, ValueType); } @@ -1626,13 +1650,10 @@ static SDOperand LowerBUILD_VECTOR(SDOperand Op, SelectionDAG &DAG) { uint32_t upper = uint32_t(val >> 32); uint32_t lower = uint32_t(val); - if (val == 0) { - SDOperand Zero = DAG.getTargetConstant(0, MVT::i64); - return DAG.getNode(ISD::BUILD_VECTOR, VT, Zero, Zero); - } else if (val == 0xffffffffffffffffULL) { - // For -1, this and has a chance of matching immAllOnesV. - SDOperand NegOne = DAG.getTargetConstant(-1, MVT::i64); - return DAG.getNode(ISD::BUILD_VECTOR, VT, NegOne, NegOne); + if (upper == lower) { + // Magic constant that can be matched by IL, ILA, et. al. + SDOperand Val = DAG.getTargetConstant(val, MVT::i64); + return DAG.getNode(ISD::BUILD_VECTOR, VT, Val, Val); } else { SDOperand LO32; SDOperand HI32; diff --git a/test/CodeGen/CellSPU/immed64.ll b/test/CodeGen/CellSPU/immed64.ll index f92cdf434bb..7ef3d766bb5 100644 --- a/test/CodeGen/CellSPU/immed64.ll +++ b/test/CodeGen/CellSPU/immed64.ll @@ -1,6 +1,6 @@ ; RUN: llvm-as -o - %s | llc -march=cellspu > %t1.s ; RUN: grep lqa %t1.s | count 13 -; RUN: grep il %t1.s | count 21 +; RUN: grep il %t1.s | count 22 ; RUN: grep shufb %t1.s | count 13 ; RUN: grep 65520 %t1.s | count 1 ; RUN: grep 43981 %t1.s | count 1 @@ -57,6 +57,10 @@ define i64 @i64_const_9() { ret i64 -1 ;; IL } +define i64 @i64_const_10() { + ret i64 281470681808895 ;; IL 65535 +} + ; 0x4005bf0a8b145769 -> ; (ILHU 0x4005 [16389]/IOHL 0xbf0a [48906]) ; (ILHU 0x8b14 [35604]/IOHL 0x5769 [22377])