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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 | adb852ddf340dd294b7db930bab12ed1d1af917b (patch) | |
| tree | 7e255ebb0d36e148d36d044bb5c2057089b23b46 /lib/Target/TargetLibraryInfo.cpp | |
| parent | bc07242d9ba2230210d09b3014de14e0746e13cd (diff) | |
| download | llvm-adb852ddf340dd294b7db930bab12ed1d1af917b.tar.gz llvm-adb852ddf340dd294b7db930bab12ed1d1af917b.tar.bz2 llvm-adb852ddf340dd294b7db930bab12ed1d1af917b.tar.xz | |
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
Diffstat (limited to 'lib/Target/TargetLibraryInfo.cpp')
| -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)) |