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| author | Tom Stellard <thomas.stellard@amd.com> | 2014-04-02 19:53:29 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2014-04-02 19:53:29 +0000 |
| commit | 36a031870bb98f220e4a2e467b3f10de10080509 (patch) | |
| tree | 3b0b4038478c69ffd2ed4dfa7d73aee008500ab0 /llvm/lib/Target/TargetLibraryInfo.cpp | |
| parent | 0f58c7cc3a2081f1a21549f71dcfac07ca8d1713 (diff) | |
| download | bcm5719-llvm-36a031870bb98f220e4a2e467b3f10de10080509.tar.gz bcm5719-llvm-36a031870bb98f220e4a2e467b3f10de10080509.zip | |
TargetLibraryInfo: Disable memcpy and memset on R600
There are no implementations of these for R600.
llvm-svn: 205455
Diffstat (limited to 'llvm/lib/Target/TargetLibraryInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/TargetLibraryInfo.cpp | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/llvm/lib/Target/TargetLibraryInfo.cpp b/llvm/lib/Target/TargetLibraryInfo.cpp index 7f8919772f7..6ec0b1f929c 100644 --- a/llvm/lib/Target/TargetLibraryInfo.cpp +++ b/llvm/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)) |
