1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.h b/lib/Target/ARM/ARMISelLowering.h
index 5a44201ec4..3e78ae3b2d 100644
--- a/lib/Target/ARM/ARMISelLowering.h
+++ b/lib/Target/ARM/ARMISelLowering.h
@@ -296,6 +296,13 @@ namespace llvm {
                                     bool MemcpyStrSrc,
                                     MachineFunction &MF) const;
 
+    /// isLegalMemOpType - Returns true if it's legal to use load / store of the
+    /// specified type to expand memcpy / memset inline. This is mostly true
+    /// for legal types except for some special cases. For example, on X86
+    /// targets without SSE2 f64 load / store are done with fldl / fstpl which
+    /// also does type conversion.
+    virtual bool isLegalMemOpType(MVT VT) const;
+
     using TargetLowering::isZExtFree;
     virtual bool isZExtFree(SDValue Val, EVT VT2) const;