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Remove r108639 now that it is handled by InstCombine instead.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108688 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2010-07-19 08:10:24 +00:00
parent d90290127b
commit 54026c0f1b
2 changed files with 0 additions and 30 deletions
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13
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@@ -4926,19 +4926,6 @@ SDValue DAGCombiner::visitFP_ROUND(SDNode *N) {
return DAG.getNode(ISD::FCOPYSIGN, N->getDebugLoc(), VT,
Tmp, N0.getOperand(1));
}
// (f32 fp_round (f64 sqrt (f64 fp_extend (f32)))) -> (f32 sqrt)
EVT VT0 = N0.getValueType();
if (VT == MVT::f32 &&
N0.getOpcode() == ISD::FSQRT && VT0 == MVT::f64) {
SDValue N1 = N0.getOperand(0);
EVT VT1 = N1.getValueType();
if (N1.getOpcode() == ISD::FP_EXTEND && VT1 == MVT::f64 &&
N1.getOperand(0).getValueType() == MVT::f32) {
return DAG.getNode(ISD::FSQRT, N->getDebugLoc(), MVT::f32,
N1.getOperand(0), N->getOperand(1));
}
}
return SDValue();
}