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-rw-r--r--llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp7
1 files changed, 5 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index a83be13..6746a5d 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -17271,6 +17271,9 @@ SDValue DAGCombiner::visitFSUB(SDNode *N) {
// prefer it.
SDValue DAGCombiner::combineFMulOrFDivWithIntPow2(SDNode *N) {
EVT VT = N->getValueType(0);
+ if (!APFloat::isIEEELikeFP(VT.getFltSemantics()))
+ return SDValue();
+
SDValue ConstOp, Pow2Op;
std::optional<int> Mantissa;
@@ -17297,8 +17300,8 @@ SDValue DAGCombiner::combineFMulOrFDivWithIntPow2(SDNode *N) {
const APFloat &APF = CFP->getValueAPF();
- // Make sure we have normal/ieee constant.
- if (!APF.isNormal() || !APF.isIEEE())
+ // Make sure we have normal constant.
+ if (!APF.isNormal())
return false;
// Make sure the floats exponent is within the bounds that this transform