diff options
| author | Matthias Braun <matze@braunis.de> | 2018-01-10 20:49:57 +0000 |
|---|---|---|
| committer | Matthias Braun <matze@braunis.de> | 2018-01-10 20:49:57 +0000 |
| commit | 40cc91a8f563d4b607ec6ab2ddb9ec1adbe66337 (patch) | |
| tree | f1faede04d3d5bb94c4742f64a00643f08afc261 /lib/CodeGen/TargetLoweringBase.cpp | |
| parent | c752a363cf7be7b140bfc2c3d7fabca3455678d6 (diff) | |
TargetLoweringBase: The ios simulator has no bzero function.
Make sure I really get back to the beahvior before my rewrite in r321035
which turned out not to be completely NFC as I changed the behavior for
the ios simulator environment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@322223 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/TargetLoweringBase.cpp')
| -rw-r--r-- | lib/CodeGen/TargetLoweringBase.cpp | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/lib/CodeGen/TargetLoweringBase.cpp b/lib/CodeGen/TargetLoweringBase.cpp index 224ae1a3236..b29a33ac1c1 100644 --- a/lib/CodeGen/TargetLoweringBase.cpp +++ b/lib/CodeGen/TargetLoweringBase.cpp @@ -132,9 +132,18 @@ void TargetLoweringBase::InitLibcalls(const Triple &TT) { setLibcallName(RTLIB::FPEXT_F16_F32, "__extendhfsf2"); setLibcallName(RTLIB::FPROUND_F32_F16, "__truncsfhf2"); - // Darwin 10 and higher has an optimized __bzero. - if (!TT.isMacOSX() || !TT.isMacOSXVersionLT(10, 6) || TT.isArch64Bit()) { - setLibcallName(RTLIB::BZERO, TT.isAArch64() ? "bzero" : "__bzero"); + // Some darwins have an optimized __bzero/bzero function. + switch (TT.getArch()) { + case Triple::x86: + case Triple::x86_64: + if (TT.isMacOSX() && !TT.isMacOSXVersionLT(10, 6)) + setLibcallName(RTLIB::BZERO, "__bzero"); + break; + case Triple::aarch64: + setLibcallName(RTLIB::BZERO, "bzero"); + break; + default: + break; } if (darwinHasSinCos(TT)) { |