ARM target should allow codegenprep to duplicate ret instructions to enable tailcall opt. rdar://11140249
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153717 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 8abbf76..d5c38d5 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -1990,7 +1990,7 @@
}
bool ARMTargetLowering::mayBeEmittedAsTailCall(CallInst *CI) const {
- if (!EnableARMTailCalls)
+ if (!EnableARMTailCalls && !Subtarget->supportsTailCall())
return false;
if (!CI->isTailCall())