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| author | Bob Wilson <bob.wilson@apple.com> | 2011-10-07 17:17:49 +0000 |
|---|---|---|
| committer | Bob Wilson <bob.wilson@apple.com> | 2011-10-07 17:17:49 +0000 |
| commit | 6d2f9cec715c50bca44816d9bdea97f8b63bf2a0 (patch) | |
| tree | ca892fc76f4fa7e32753e4f85628c58af79b57f8 /lib/Target/ARM/ARMSubtarget.cpp | |
| parent | 2fef4573df6fd645f4401302d21c16e72418e3a8 (diff) | |
Reenable tail calls for iOS 5.0 and later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141370 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMSubtarget.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMSubtarget.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMSubtarget.cpp b/lib/Target/ARM/ARMSubtarget.cpp index 82e542281e..247d6be59a 100644 --- a/lib/Target/ARM/ARMSubtarget.cpp +++ b/lib/Target/ARM/ARMSubtarget.cpp @@ -60,6 +60,7 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU, , PostRAScheduler(false) , IsR9Reserved(ReserveR9) , UseMovt(false) + , SupportsTailCall(false) , HasFP16(false) , HasD16(false) , HasHardwareDivide(false) @@ -113,6 +114,8 @@ ARMSubtarget::ARMSubtarget(const std::string &TT, const std::string &CPU, else { IsR9Reserved = ReserveR9 | !HasV6Ops; UseMovt = DarwinUseMOVT && hasV6T2Ops(); + const Triple &T = getTargetTriple(); + SupportsTailCall = T.getOS() == Triple::IOS && !T.isOSVersionLT(5, 0); } if (!isThumb() || hasThumb2()) |