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| author | Eli Friedman <eli.friedman@gmail.com> | 2008-05-19 23:27:48 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2008-05-19 23:27:48 +0000 |
| commit | a3a4068949f6ab5c41f3ebcc68bad9b6b33a3533 (patch) | |
| tree | 7aea7db6d6078d763efa04e420303eef97a0ce09 /clang/lib | |
| parent | 3b965e1d01ab8d02bae4a2b6f80c76eb95c18982 (diff) | |
| download | bcm5719-llvm-a3a4068949f6ab5c41f3ebcc68bad9b6b33a3533.tar.gz bcm5719-llvm-a3a4068949f6ab5c41f3ebcc68bad9b6b33a3533.zip | |
Implement CodeGen for __builtin_memcpy.
llvm-svn: 51282
Diffstat (limited to 'clang/lib')
| -rw-r--r-- | clang/lib/CodeGen/CGBuiltin.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index d15780a63ba..e29a1742293 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -252,6 +252,16 @@ RValue CodeGenFunction::EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { return RValue::get(Builder.CreateAlloca(llvm::Type::Int8Ty, EmitScalarExpr(E->getArg(0)), "tmp")); + case Builtin::BI__builtin_memcpy: { + Value* MemCpyOps[4] = { + EmitScalarExpr(E->getArg(0)), + EmitScalarExpr(E->getArg(1)), + EmitScalarExpr(E->getArg(2)), + llvm::ConstantInt::get(llvm::Type::Int32Ty, 0) + }; + Builder.CreateCall(CGM.getMemCpyFn(), MemCpyOps, MemCpyOps+4); + return RValue::get(MemCpyOps[0]); + } case Builtin::BI__sync_fetch_and_add: return EmitBinaryAtomic(*this, Intrinsic::atomic_las, E); case Builtin::BI__sync_fetch_and_sub: |
