diff options
Diffstat (limited to 'CodeGen')
| -rw-r--r-- | CodeGen/CGBuiltin.cpp | 43 | ||||
| -rw-r--r-- | CodeGen/CodeGenFunction.h | 3 |
2 files changed, 35 insertions, 11 deletions
diff --git a/CodeGen/CGBuiltin.cpp b/CodeGen/CGBuiltin.cpp index 7f3bd0ad31..bb32b9a2cd 100644 --- a/CodeGen/CGBuiltin.cpp +++ b/CodeGen/CGBuiltin.cpp @@ -17,6 +17,7 @@ #include "clang/AST/ASTContext.h" #include "clang/AST/Builtins.h" #include "clang/AST/Expr.h" +#include "clang/AST/TargetBuiltins.h" #include "llvm/Constants.h" #include "llvm/Function.h" #include "llvm/Intrinsics.h" @@ -79,16 +80,18 @@ RValue CodeGenFunction::EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { return RValue::get(V); } + + // See if we have a target specific builtin that needs to be lowered. + llvm::Value *V = 0; + + if (strcmp(TargetPrefix, "x86") == 0) + V = EmitX86BuiltinExpr(BuiltinID, E); + else if (strcmp(TargetPrefix, "ppc") == 0) + V = EmitPPCBuiltinExpr(BuiltinID, E); + + if (V) + return RValue::get(V); - if (strcmp(TargetPrefix, "x86") == 0) { - if (strcmp(BuiltinName, "__builtin_ia32_mulps") == 0) { - llvm::Value *V = Builder.CreateMul(EmitScalarExpr(E->getArg(0)), - EmitScalarExpr(E->getArg(1)), - "result"); - return RValue::get(V); - } - } - WarnUnsupported(E, "builtin function"); // Unknown builtin, for now just dump it out and return undef. @@ -188,8 +191,26 @@ RValue CodeGenFunction::EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E) { llvm::Value *V = llvm::ConstantFP::get(llvm::Type::DoubleTy, f); return RValue::get(V); } - } - return RValue::get(0); } + +llvm::Value *CodeGenFunction::EmitX86BuiltinExpr(unsigned BuiltinID, + const CallExpr *E) +{ + switch (BuiltinID) { + default: return 0; + case X86::BI__builtin_ia32_mulps: + return Builder.CreateMul(EmitScalarExpr(E->getArg(0)), + EmitScalarExpr(E->getArg(1)), + "result"); + } +} + +llvm::Value *CodeGenFunction::EmitPPCBuiltinExpr(unsigned BuiltinID, + const CallExpr *E) +{ + switch (BuiltinID) { + default: return 0; + } +} diff --git a/CodeGen/CodeGenFunction.h b/CodeGen/CodeGenFunction.h index 0c66b50ada..6ae256d438 100644 --- a/CodeGen/CodeGenFunction.h +++ b/CodeGen/CodeGenFunction.h @@ -388,6 +388,9 @@ public: RValue EmitCallExpr(llvm::Value *Callee, const CallExpr *E); RValue EmitBuiltinExpr(unsigned BuiltinID, const CallExpr *E); + llvm::Value *EmitX86BuiltinExpr(unsigned BuiltinID, const CallExpr *E); + llvm::Value *EmitPPCBuiltinExpr(unsigned BuiltinID, const CallExpr *E); + llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E); //===--------------------------------------------------------------------===// |