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-rw-r--r--llvm/lib/Target/Mips/MipsISelLowering.cpp8
-rw-r--r--llvm/lib/Target/Mips/MipsISelLowering.h3
2 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.cpp b/llvm/lib/Target/Mips/MipsISelLowering.cpp
index 66c495bc3e9..142d14a13a2 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.cpp
+++ b/llvm/lib/Target/Mips/MipsISelLowering.cpp
@@ -834,6 +834,14 @@ SDValue MipsTargetLowering::PerformDAGCombine(SDNode *N, DAGCombinerInfo &DCI)
return SDValue();
}
+bool MipsTargetLowering::isCheapToSpeculateCttz() const {
+ return Subtarget.hasMips32();
+}
+
+bool MipsTargetLowering::isCheapToSpeculateCtlz() const {
+ return Subtarget.hasMips32();
+}
+
void
MipsTargetLowering::LowerOperationWrapper(SDNode *N,
SmallVectorImpl<SDValue> &Results,
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.h b/llvm/lib/Target/Mips/MipsISelLowering.h
index 8e2cb0b4a6c..b33e125b81b 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.h
+++ b/llvm/lib/Target/Mips/MipsISelLowering.h
@@ -235,6 +235,9 @@ namespace llvm {
return MVT::i32;
}
+ bool isCheapToSpeculateCttz() const override;
+ bool isCheapToSpeculateCtlz() const override;
+
void LowerOperationWrapper(SDNode *N,
SmallVectorImpl<SDValue> &Results,
SelectionDAG &DAG) const override;
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