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| author | Hans Wennborg <hans@hanshq.net> | 2018-01-17 16:24:35 +0000 |
|---|---|---|
| committer | Hans Wennborg <hans@hanshq.net> | 2018-01-17 16:24:35 +0000 |
| commit | 489cae9d77dd8f89a0bea5f2bac501299c34bdcc (patch) | |
| tree | 5408da60df75bb3cf82e9528f7e5127169e8d26c /lib/CodeGen | |
| parent | 7f0f287f2bc93e589bca62f124771055f8a4c4a7 (diff) | |
Merging r322223:
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r322223 | matze | 2018-01-10 12:49:57 -0800 (Wed, 10 Jan 2018) | 5 lines
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.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@322681 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -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)) { |