ARMv8 IfConversion must skip narrow instructions that a) define CPSR and b) wouldn...

[oota-llvm.git] / lib / Target / ARM / AsmParser / ARMAsmParser.cpp

diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 9bb1cf2b4c2d9fb865727eecde9edc9d06b0aa8f..7dc4d18a072401692f6c60ae3f7c159aa6be42b3 100644 (file)
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -7850,6 +7850,10 @@ unsigned ARMAsmParser::checkTargetMatchPredicate(MCInst &Inst) {
   return Match_Success;
 }
 
+template<> inline bool IsCPSRDead<MCInst>(MCInst* Instr) {
+  return true; // In an assembly source, no need to second-guess
+}
+
 static const char *getSubtargetFeatureName(unsigned Val);
 bool ARMAsmParser::
 MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode,