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| author | Dan Gohman <gohman@apple.com> | 2008-02-29 01:44:25 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-02-29 01:44:25 +0000 |
| commit | 837a6dccd7796b0b039e2990eb5eca66e6bf891b (patch) | |
| tree | 4404b67b42d8773584b1f1f41ef81c5da4d8f30d /llvm/lib | |
| parent | 06c45d516d5079e3fc989efda70ff3ead70a54c7 (diff) | |
| download | bcm5719-llvm-837a6dccd7796b0b039e2990eb5eca66e6bf891b.tar.gz bcm5719-llvm-837a6dccd7796b0b039e2990eb5eca66e6bf891b.zip | |
Use the new convertFromAPInt instead of convertFromZeroExtendedInteger,
which allows more of the surrounding arithmetic to be done with APInt
instead of uint64_t.
llvm-svn: 47745
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 37dab7d7c16..2acb1e36684 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -3754,12 +3754,10 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { SDOperand True, False; MVT::ValueType VT = Node->getOperand(0).getValueType(); MVT::ValueType NVT = Node->getValueType(0); - unsigned ShiftAmt = MVT::getSizeInBits(NVT)-1; const uint64_t zero[] = {0, 0}; APFloat apf = APFloat(APInt(MVT::getSizeInBits(VT), 2, zero)); - uint64_t x = 1ULL << ShiftAmt; - (void)apf.convertFromZeroExtendedInteger - (&x, MVT::getSizeInBits(NVT), false, APFloat::rmNearestTiesToEven); + APInt x = APInt::getSignBit(MVT::getSizeInBits(NVT)); + (void)apf.convertFromAPInt(x, false, APFloat::rmNearestTiesToEven); Tmp2 = DAG.getConstantFP(apf, VT); Tmp3 = DAG.getSetCC(TLI.getSetCCResultTy(), Node->getOperand(0), Tmp2, ISD::SETLT); @@ -3768,7 +3766,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { DAG.getNode(ISD::FSUB, VT, Node->getOperand(0), Tmp2)); False = DAG.getNode(ISD::XOR, NVT, False, - DAG.getConstant(1ULL << ShiftAmt, NVT)); + DAG.getConstant(x, NVT)); Result = DAG.getNode(ISD::SELECT, NVT, Tmp3, True, False); break; } else { |
