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-rw-r--r--llvm/lib/Target/ARM/ARMISelLowering.cpp8
-rw-r--r--llvm/lib/Target/ARM/ARMISelLowering.h3
2 files changed, 11 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.cpp b/llvm/lib/Target/ARM/ARMISelLowering.cpp
index b83d3f78a34..01c8d7534ee 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.cpp
+++ b/llvm/lib/Target/ARM/ARMISelLowering.cpp
@@ -11841,6 +11841,14 @@ bool ARMTargetLowering::canCombineStoreAndExtract(Type *VectorTy, Value *Idx,
return false;
}
+bool ARMTargetLowering::isCheapToSpeculateCttz() const {
+ return Subtarget->hasV6T2Ops();
+}
+
+bool ARMTargetLowering::isCheapToSpeculateCtlz() const {
+ return Subtarget->hasV6T2Ops();
+}
+
Value *ARMTargetLowering::emitLoadLinked(IRBuilder<> &Builder, Value *Addr,
AtomicOrdering Ord) const {
Module *M = Builder.GetInsertBlock()->getParent()->getParent();
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h
index 534f92b941c..b0881c2df88 100644
--- a/llvm/lib/Target/ARM/ARMISelLowering.h
+++ b/llvm/lib/Target/ARM/ARMISelLowering.h
@@ -467,6 +467,9 @@ namespace llvm {
bool canCombineStoreAndExtract(Type *VectorTy, Value *Idx,
unsigned &Cost) const override;
+ bool isCheapToSpeculateCttz() const override;
+ bool isCheapToSpeculateCtlz() const override;
+
protected:
std::pair<const TargetRegisterClass *, uint8_t>
findRepresentativeClass(const TargetRegisterInfo *TRI,
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