diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Target/TargetLowering.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index 5b3f2b3..6b3c45a 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -1287,6 +1287,14 @@ public: return false; } + /// mayBeEmittedAsTailCall - Return true if the target may be able emit the + /// call instruction as a tail call. This is used by optimization passes to + /// determine if it's profitable to duplicate return instructions to enable + /// tailcall optimization. + virtual bool mayBeEmittedAsTailCall(CallInst *CI) const { + return false; + } + /// getTypeForExtArgOrReturn - Return the type that should be used to zero or /// sign extend a zeroext/signext integer argument or return value. /// FIXME: Most C calling convention requires the return type to be promoted, |