commit a92cecfbda0f2cc3ac57cd12da824c8ac7d19bdf
author Matthias Braun <matze@braunis.de> Mon Dec 18 23:14:28 2017 +0000
committer Matthias Braun <matze@braunis.de> Mon Dec 18 23:14:28 2017 +0000
tree 00830965837fb65dd367bbc673485380aa71070b
parent e704583f2355573f6ee6a07d948a9f2cc39d5014

AArch64/X86: Factor out common bzero logic; NFC

llvm-svn: 321035

llvm/lib/CodeGen/TargetLoweringBase.cpp

diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index 543c12e..66ee166 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -114,6 +114,10 @@
     // FIXME: What about other targets?
     Names[RTLIB::FPEXT_F16_F32] = "__extendhfsf2";
     Names[RTLIB::FPROUND_F32_F16] = "__truncsfhf2";
+
+    // Darwin 10 and higher has an optimized __bzero.
+    if (!TT.isMacOSX() || !TT.isMacOSXVersionLT(10, 6))
+      Names[RTLIB::BZERO] = "__bzero";
   } else {
     Names[RTLIB::FPEXT_F16_F32] = "__gnu_h2f_ieee";
     Names[RTLIB::FPROUND_F32_F16] = "__gnu_f2h_ieee";