<div dir="ltr">If you don't need the cast result - maybe use isa<> instead?</div><br><div class="gmail_quote"><div dir="ltr">On Sat, Feb 17, 2018 at 5:50 AM Simon Pilgrim via llvm-commits <<a href="mailto:llvm-commits@lists.llvm.org">llvm-commits@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Author: rksimon<br>
Date: Sat Feb 17 05:48:23 2018<br>
New Revision: 325432<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=325432&view=rev" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project?rev=325432&view=rev</a><br>
Log:<br>
Fix unused variable warning. NFCI.<br>
<br>
We were casting to AArch64InstrInfo but only using it for static methods which some compilers complain about.<br>
<br>
Modified:<br>
    llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp<br>
<br>
Modified: llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp?rev=325432&r1=325431&r2=325432&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp?rev=325432&r1=325431&r2=325432&view=diff</a><br>
==============================================================================<br>
--- llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp (original)<br>
+++ llvm/trunk/lib/Target/AArch64/AArch64MacroFusion.cpp Sat Feb 17 05:48:23 2018<br>
@@ -27,7 +27,6 @@ static bool shouldScheduleAdjacent(const<br>
                                    const TargetSubtargetInfo &TSI,<br>
                                    const MachineInstr *FirstMI,<br>
                                    const MachineInstr &SecondMI) {<br>
-  const AArch64InstrInfo &II = static_cast<const AArch64InstrInfo&>(TII);<br>
   const AArch64Subtarget &ST = static_cast<const AArch64Subtarget&>(TSI);<br>
<br>
   // Assume wildcards for unspecified instrs.<br>
@@ -66,7 +65,7 @@ static bool shouldScheduleAdjacent(const<br>
       case AArch64::BICSWrs:<br>
       case AArch64::BICSXrs:<br>
         // Shift value can be 0 making these behave like the "rr" variant...<br>
-        return !II.hasShiftedReg(*FirstMI);<br>
+        return !AArch64InstrInfo::hasShiftedReg(*FirstMI);<br>
       case AArch64::INSTRUCTION_LIST_END:<br>
         return true;<br>
       }<br>
@@ -108,7 +107,7 @@ static bool shouldScheduleAdjacent(const<br>
       case AArch64::BICWrs:<br>
       case AArch64::BICXrs:<br>
         // Shift value can be 0 making these behave like the "rr" variant...<br>
-        return !II.hasShiftedReg(*FirstMI);<br>
+        return !AArch64InstrInfo::hasShiftedReg(*FirstMI);<br>
       case AArch64::INSTRUCTION_LIST_END:<br>
         return true;<br>
       }<br>
<br>
<br>
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</blockquote></div>