diff options
Diffstat (limited to 'lib/Target/ARM/ARMISelLowering.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMISelLowering.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp index 1b5d1c4097..82e37c7075 100644 --- a/lib/Target/ARM/ARMISelLowering.cpp +++ b/lib/Target/ARM/ARMISelLowering.cpp @@ -1803,6 +1803,16 @@ bool ARMTargetLowering::isUsedByReturnOnly(SDNode *N) const { return HasRet; } +bool ARMTargetLowering::mayBeEmittedAsTailCall(CallInst *CI) const { + if (!EnableARMTailCalls) + return false; + + if (!CI->isTailCall()) + return false; + + return !Subtarget->isThumb1Only(); +} + // ConstantPool, JumpTable, GlobalAddress, and ExternalSymbol are lowered as // their target counterpart wrapped in the ARMISD::Wrapper node. Suppose N is // one of the above mentioned nodes. It has to be wrapped because otherwise |