Implement MS _BitScan intrinsics
Summary: _BitScan intrinsics (and some others, for example _Interlocked and _bittest) are supposed to work on both ARM and x86. This is an attempt to isolate them, avoiding repeating their code or writing separate function for each builtin.
Reviewers: hans, thakis, rnk, majnemer
Subscribers: RKSimon, cfe-commits, aemerson
Differential Revision: https://reviews.llvm.org/D25264
llvm-svn: 284060
diff --git a/clang/lib/CodeGen/CodeGenFunction.h b/clang/lib/CodeGen/CodeGenFunction.h
index eac759f..4de0987 100644
--- a/clang/lib/CodeGen/CodeGenFunction.h
+++ b/clang/lib/CodeGen/CodeGenFunction.h
@@ -2961,6 +2961,12 @@
llvm::Value *EmitWebAssemblyBuiltinExpr(unsigned BuiltinID,
const CallExpr *E);
+private:
+ enum class MSVCIntrin;
+
+public:
+ llvm::Value *EmitMSVCBuiltinExpr(MSVCIntrin BuiltinID, const CallExpr *E);
+
llvm::Value *EmitObjCProtocolExpr(const ObjCProtocolExpr *E);
llvm::Value *EmitObjCStringLiteral(const ObjCStringLiteral *E);
llvm::Value *EmitObjCBoxedExpr(const ObjCBoxedExpr *E);