diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp index 3e964be..ad47cb8 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyTargetMachine.cpp @@ -54,6 +54,35 @@ static cl::opt<bool> WasmDisableFixIrreducibleControlFlowPass( " irreducible control flow optimization pass"), cl::init(false)); +// Exception handling & setjmp-longjmp handling related options. + +// Emscripten's asm.js-style exception handling +cl::opt<bool> WebAssembly::WasmEnableEmEH( + "enable-emscripten-cxx-exceptions", + cl::desc("WebAssembly Emscripten-style exception handling"), + cl::init(false)); +// Emscripten's asm.js-style setjmp/longjmp handling +cl::opt<bool> WebAssembly::WasmEnableEmSjLj( + "enable-emscripten-sjlj", + cl::desc("WebAssembly Emscripten-style setjmp/longjmp handling"), + cl::init(false)); +// Exception handling using wasm EH instructions +cl::opt<bool> + WebAssembly::WasmEnableEH("wasm-enable-eh", + cl::desc("WebAssembly exception handling")); +// setjmp/longjmp handling using wasm EH instrutions +cl::opt<bool> WebAssembly::WasmEnableSjLj( + "wasm-enable-sjlj", cl::desc("WebAssembly setjmp/longjmp handling")); +// If true, use the legacy Wasm EH proposal: +// https://github.com/WebAssembly/exception-handling/blob/main/proposals/exception-handling/legacy/Exceptions.md +// And if false, use the standardized Wasm EH proposal: +// https://github.com/WebAssembly/exception-handling/blob/main/proposals/exception-handling/Exceptions.md +// Currently set to true by default because not all major web browsers turn on +// the new standard proposal by default, but will later change to false. +cl::opt<bool> WebAssembly::WasmUseLegacyEH( + "wasm-use-legacy-eh", cl::desc("WebAssembly exception handling (legacy)"), + cl::init(true)); + extern "C" LLVM_ABI LLVM_EXTERNAL_VISIBILITY void LLVMInitializeWebAssemblyTarget() { // Register the target. |