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author | Anders Carlsson <andersca@mac.com> | 2011-10-31 16:27:11 +0000 |
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committer | Anders Carlsson <andersca@mac.com> | 2011-10-31 16:27:11 +0000 |
commit | eea64802558cc398571938b1f28cda1d4fa79ec3 (patch) | |
tree | cff7c15350ed90fd8824ec94b26d93678d9da975 /lib/Basic/Targets.cpp | |
parent | f453cb9f677e16c00b358ec91eccf5f003765dc6 (diff) |
In x86_64, when calling an Objective-C method that returns a _Complex long double, make sure to use the objc_msgSend_fp2ret function which ensures that the return value will be {0, 0} if the receiver is nil.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@143350 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Basic/Targets.cpp')
-rw-r--r-- | lib/Basic/Targets.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp index 60642b383a..da32c93254 100644 --- a/lib/Basic/Targets.cpp +++ b/lib/Basic/Targets.cpp @@ -2245,6 +2245,9 @@ public: // Use fpret only for long double. RealTypeUsesObjCFPRet = (1 << TargetInfo::LongDouble); + // Use fp2ret for _Complex long double. + ComplexLongDoubleUsesFP2Ret = true; + // x86-64 has atomics up to 16 bytes. // FIXME: Once the backend is fixed, increase MaxAtomicInlineWidth to 128 // on CPUs with cmpxchg16b |