Make TargetInstrInfo::isPredicable take a const reference, NFC

llvm-svn: 296901
diff --git a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index c7d0709..de3b51c 100644
--- a/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/llvm/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -8985,7 +8985,7 @@
 }
 
 namespace llvm {
-template <> inline bool IsCPSRDead<MCInst>(MCInst *Instr) {
+template <> inline bool IsCPSRDead<MCInst>(const MCInst *Instr) {
   return true; // In an assembly source, no need to second-guess
 }
 }