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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp13
1 files changed, 0 insertions, 13 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index 271b2b621d0..e6717524645 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -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();
}
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