From adb852ddf340dd294b7db930bab12ed1d1af917b Mon Sep 17 00:00:00 2001 From: Tom Stellard Date: Wed, 2 Apr 2014 19:53:29 +0000 Subject: TargetLibraryInfo: Disable memcpy and memset on R600 There are no implementations of these for R600. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205455 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/TargetLibraryInfo.cpp | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) (limited to 'lib') 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)) -- cgit v1.2.3