From de7a0a152648d1a74cf4319920b1848aa00d1ca3 Mon Sep 17 00:00:00 2001 From: Thomas Lively Date: Wed, 13 Feb 2019 22:11:16 +0000 Subject: [WebAssembly] Bulk memory intrinsics and builtins Summary: implements llvm intrinsics and clang intrinsics for memory.init and data.drop. Reviewers: aheejin Subscribers: dschuff, sbc100, jgravelle-google, hiraditya, sunfish, cfe-commits Tags: #clang Differential Revision: https://reviews.llvm.org/D57736 llvm-svn: 353983 --- clang/lib/CodeGen/CGBuiltin.cpp | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'clang/lib/CodeGen/CGBuiltin.cpp') diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp index a02fd486e61..38de4e07d45 100644 --- a/clang/lib/CodeGen/CGBuiltin.cpp +++ b/clang/lib/CodeGen/CGBuiltin.cpp @@ -13566,6 +13566,30 @@ Value *CodeGenFunction::EmitWebAssemblyBuiltinExpr(unsigned BuiltinID, Function *Callee = CGM.getIntrinsic(Intrinsic::wasm_memory_grow, ResultType); return Builder.CreateCall(Callee, Args); } + case WebAssembly::BI__builtin_wasm_memory_init: { + llvm::APSInt SegConst; + if (!E->getArg(0)->isIntegerConstantExpr(SegConst, getContext())) + llvm_unreachable("Constant arg isn't actually constant?"); + llvm::APSInt MemConst; + if (!E->getArg(1)->isIntegerConstantExpr(MemConst, getContext())) + llvm_unreachable("Constant arg isn't actually constant?"); + if (!MemConst.isNullValue()) + ErrorUnsupported(E, "non-zero memory index"); + Value *Args[] = {llvm::ConstantInt::get(getLLVMContext(), SegConst), + llvm::ConstantInt::get(getLLVMContext(), MemConst), + EmitScalarExpr(E->getArg(2)), EmitScalarExpr(E->getArg(3)), + EmitScalarExpr(E->getArg(4))}; + Function *Callee = CGM.getIntrinsic(Intrinsic::wasm_memory_init); + return Builder.CreateCall(Callee, Args); + } + case WebAssembly::BI__builtin_wasm_data_drop: { + llvm::APSInt SegConst; + if (!E->getArg(0)->isIntegerConstantExpr(SegConst, getContext())) + llvm_unreachable("Constant arg isn't actually constant?"); + Value *Arg = llvm::ConstantInt::get(getLLVMContext(), SegConst); + Function *Callee = CGM.getIntrinsic(Intrinsic::wasm_data_drop); + return Builder.CreateCall(Callee, {Arg}); + } case WebAssembly::BI__builtin_wasm_throw: { Value *Tag = EmitScalarExpr(E->getArg(0)); Value *Obj = EmitScalarExpr(E->getArg(1)); -- cgit v1.2.3