diff options
Diffstat (limited to 'llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp')
| -rw-r--r-- | llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp index 7ab8e361a8b..960d5134f6e 100644 --- a/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp +++ b/llvm/lib/Target/WebAssembly/WebAssemblyLowerEmscriptenEHSjLj.cpp @@ -485,6 +485,13 @@ bool WebAssemblyLowerEmscriptenEHSjLj::canLongjmp(Module &M, if (CalleeF->isIntrinsic()) return false; + // Attempting to transform inline assembly will result in something like: + // call void @__invoke_void(void ()* asm ...) + // which is invalid because inline assembly blocks do not have addresses + // and can't be passed by pointer. The result is a crash with illegal IR. + if (isa<InlineAsm>(Callee)) + return false; + // The reason we include malloc/free here is to exclude the malloc/free // calls generated in setjmp prep / cleanup routines. Function *SetjmpF = M.getFunction("setjmp"); |
