| ; RUN: not llc < %s -asm-verbose=false 2>&1 | FileCheck %s | |
| target triple = "wasm32-unknown-unknown" | |
| ; This tests the implementation of __builtin_return_address on the unknown OS. | |
| ; Since this is not implemented, it should fail. | |
| ; CHECK: Non-Emscripten WebAssembly hasn't implemented __builtin_return_address | |
| define ptr @test_returnaddress() { | |
| %r = call ptr @llvm.returnaddress(i32 0) | |
| ret ptr %r | |
| } | |
| ; LLVM represents __builtin_return_address as call to this function in IR. | |
| declare ptr @llvm.returnaddress(i32 immarg) |