|  | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | 
|  | ; RUN: llc < %s -mattr=+simd128 | FileCheck %s | 
|  |  | 
|  | ; Regression test for a crash caused by | 
|  | ; WebAssemblyTargetLowering::ReplaceNodeResults not being | 
|  | ; implemented. Since SIMD is enabled, sign_ext_inreg is custom lowered | 
|  | ; but the result is i16, an illegal value. This requires | 
|  | ; ReplaceNodeResults to resolve, but the default implementation is to | 
|  | ; abort. | 
|  |  | 
|  | target triple = "wasm32-unknown-emscripten" | 
|  |  | 
|  | define void @foo() { | 
|  | ; CHECK-LABEL: foo: | 
|  | ; CHECK:         .functype foo () -> () | 
|  | ; CHECK-NEXT:    .local i32 | 
|  | ; CHECK-NEXT:  # %bb.0: # %entry | 
|  | ; CHECK-NEXT:    i32.const 0 | 
|  | ; CHECK-NEXT:    local.get 0 | 
|  | ; CHECK-NEXT:    i32.load8_s 0 | 
|  | ; CHECK-NEXT:    i32.store16 0 | 
|  | ; CHECK-NEXT:    # fallthrough-return | 
|  | entry: | 
|  | %0 = load ptr, ptr undef, align 4 | 
|  | %1 = load i32, ptr %0, align 4 | 
|  | %2 = load i32, ptr undef, align 4 | 
|  | %conv67 = trunc i32 %2 to i8 | 
|  | %conv68 = sext i8 %conv67 to i16 | 
|  | store i16 %conv68, ptr null, align 2 | 
|  | ret void | 
|  | } |