diff options
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/TargetLibraryInfo.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp index 7f8919772f..6ec0b1f929 100644 --- a/lib/Target/TargetLibraryInfo.cpp +++ b/lib/Target/TargetLibraryInfo.cpp @@ -378,7 +378,16 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T, llvm_unreachable("TargetLibraryInfo function names must be sorted"); } #endif // !NDEBUG - + + // There are no library implementations of mempcy and memset for r600 and + // these can be difficult to lower in the backend. + if (T.getArch() == Triple::r600) { + TLI.setUnavailable(LibFunc::memcpy); + TLI.setUnavailable(LibFunc::memset); + TLI.setUnavailable(LibFunc::memset_pattern16); + return; + } + // memset_pattern16 is only available on iOS 3.0 and Mac OS X 10.5 and later. if (T.isMacOSX()) { if (T.isMacOSXVersionLT(10, 5)) |