ARM implement TargetInstrInfo::getNoopForMachoTarget()
Without this hook, functions w/ a completely empty body (including no
epilogue) will cause an MCEmitter assertion failure.
For example,
define internal fastcc void @empty_function() {
unreachable
}
rdar://10947471
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151673 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index ea4baab..8fb0427 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -3003,3 +3003,7 @@
// This will go before any implicit ops.
AddDefaultPred(MachineInstrBuilder(MI).addOperand(MI->getOperand(1)));
}
+
+bool ARMBaseInstrInfo::hasNOP() const {
+ return (Subtarget.getFeatureBits() & ARM::HasV6T2Ops) != 0;
+}