diff options
author | Heejin Ahn <aheejin@gmail.com> | 2017-06-30 00:44:01 +0000 |
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committer | Heejin Ahn <aheejin@gmail.com> | 2017-06-30 00:44:01 +0000 |
commit | 115b2ce9071f099b2a14bdb8b02985e4b910a116 (patch) | |
tree | 8081bc60ac30613efeffa2d259e06ff665a296bf /lib/CodeGen | |
parent | 6f6b2e231cef5e6714e42eebd485e6f798919a58 (diff) |
[WebAssembly] Add throw/rethrow builtins for exception handling
Summary:
Add new builtins for throw/rethrow instructions. This follows exception handling
handling proposal in
https://github.com/WebAssembly/exception-handling/blob/master/proposals/Exceptions.md
Reviewers: sunfish, dschuff
Reviewed By: dschuff
Subscribers: jfb, dschuff, sbc100, jgravelle-google
Differential Revision: https://reviews.llvm.org/D34783
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@306775 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
-rw-r--r-- | lib/CodeGen/CGBuiltin.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp index a6451b7fc3..2a6e92e7f3 100644 --- a/lib/CodeGen/CGBuiltin.cpp +++ b/lib/CodeGen/CGBuiltin.cpp @@ -9372,6 +9372,16 @@ Value *CodeGenFunction::EmitWebAssemblyBuiltinExpr(unsigned BuiltinID, Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_grow_memory, X->getType()); return Builder.CreateCall(Callee, X); } + case WebAssembly::BI__builtin_wasm_throw: { + Value *Tag = EmitScalarExpr(E->getArg(0)); + Value *Obj = EmitScalarExpr(E->getArg(1)); + Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_throw); + return Builder.CreateCall(Callee, {Tag, Obj}); + } + case WebAssembly::BI__builtin_wasm_rethrow: { + Value *Callee = CGM.getIntrinsic(Intrinsic::wasm_rethrow); + return Builder.CreateCall(Callee); + } default: return nullptr; |